Nissan Pathfinder: Door & Lock - Symptom Diagnosis

• Intelligent Key System Symptoms
• All Doors Do Not Lock/unlock or Trunk/back Door Do Not Open with Request Switch
• Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (all Keys)
• Door Does Not Lock/unlock and Engine Does Not Start (all I-Key/req Sw/push Sw)
• Intelligent Key System All Functions Cannot Operate (all Keys)
• Door Does Not Lock/unlock with Intelligent Key
• Door Does Not Lock/unlock with Door Request Switch and Intelligent Key
• Intelligent Key Button Operation Has Poor Range (all Keys)
• Door Does Not Lock/unlock with Intelligent Key (one Key)
• Door Does Not Lock/unlock and Engine Does Not Start (one I-Key/req Sw/push Sw)
• Intelligent Key System All Functions Cannot Operate (one Key)
• Intelligent Key Button Operation Has Poor Range (one Key)
• Approach Unlock/walk Away Lock Function Does Not Operate (all Keys)
• Automatic Back Door Functions Do Not Cancel
• Automatic Back Door Anti-Pinch Function Does Not Operate
• Auto Door Lock Operation Does Not Operate
• Back Door Auto Closure Function Does Not Operate
• Door Lock Operation Warning Does Not Operate
• Intelligent Key Low Battery Warning Does Not Operate
• Ignition Position Warning Function Does Not Operate
• Ign Off Interlock Door Unlock Function Does Not Operate
• Key Reminder Function Does Not Operate
• Off Position Warning Does Not Operate
• Take Away Warning Does Not Operate
• Normal Operating Condition
• Squeak and Rattle Trouble Diagnoses ➤

Intelligent Key System Symptoms Nissan Pathfinder 2022

Diagnosis Procedure

NOTE:

Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

SYMPTOM TABLE 1 (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

No.	Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)	Symptom
1	OK	OK	No start	No start	OK	Description
2	OK	NG	OK	OK	OK	Description
3	OK	NG	No crank, No start	OK	OK	Description
4	NG	NG	No crank, No start	OK	OK	Description
5	NG	NG	No start	No start	NG	Description
6	OK	OK	No crank, No start	OK	OK	Description
7	NG	OK	OK	OK	OK	Description
8	NG	NG	OK	OK	OK	Description
9	Poor range	OK	OK	OK	OK	Description

SYMPTOM TABLE 2 (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

No.	Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)	Symptom
1	NG	OK	OK	OK	OK	Description
2	NG	NG	No crank, No start	OK	OK	Description
3	NG	NG	No crank, No start	No crank, No start	NG	Description
4	OK	OK	No crank, No start	No crank, No start	OK	Description
5	OK	NG	No crank, No start	OK	OK	Description
6	Poor range	OK	OK	OK	OK	Description

All Doors Do Not Lock/unlock or Trunk/back Door Do Not Open with Request Switch Nissan Pathfinder

Description

All doors do not lock/unlock using door request switch.

NOTE:

Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Pathfinder vehicle”, and check each symptom.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
OK	NG	OK	OK	OK

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

Registered Intelligent Key is within the detection area of outside key antenna.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

PERFORM SELF-DIAGNOSIS RESULT

Select “Self Diagnostic Result” mode of “HANDS FREE MODULE”, and check if DTC is detected.

Is DTC detected?

YES>>

Perform the trouble diagnosis for detected DTC.

NO>>

GO TO 3.

CHECK OUTSIDE KEY ANTENNA

Use SIGNAL TECH II to check each outside key antenna. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 5.

CHECK INTELLIGENT KEY OUTPUT SIGNAL

Use SIGNAL TECH II to check Intelligent Key outside signal. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Replace the malfunctioning outside key antenna.

CHECK DOOR REQUEST SWITCH

Check door request switch.

• Front door LH: Refer to DTC Diagnosis Procedure.

• Front door RH: Refer to DTC Diagnosis Procedure.

• Rear door LH: Refer to DTC Diagnosis Procedure.

• Rear door RH: Refer to DTC Diagnosis Procedure.

• Back door: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (all Keys) Nissan Pathfinder SUV

Description

All doors do not lock/unlock using door request switch, and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key.

NOTE:

Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Pathfinder vehicle”, and check each symptom.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
OK	NG	No crank, No start	OK	OK

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

“ENGINE START BY I-KEY” setting in “WORK SUPPORT” mode of “HANDS FREE MODULE” is ON.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INSIDE KEY ANTENNA

Use SIGNAL TECH II to check each inside key antenna. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK OUTSIDE KEY ANTENNA

Use SIGNAL TECH II to check each outside key antenna. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

REGISTER INTELLIGENT KEY

1. Register the Intelligent Key again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

1. Replace the Intelligent Key and perform registration again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock and Engine Does Not Start (all I-Key/req Sw/push Sw) Nissan Pathfinder Fifth generation

Description

All doors do not lock/unlock using door request switch and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG	NG	No crank, No start	OK	OK

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

“ENGINE START BY I-KEY” setting in “WORK SUPPORT” mode of “HANDS FREE MODULE” is ON.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY BATTERY

Check Intelligent Key battery.

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Intelligent Key System All Functions Cannot Operate (all Keys) Nissan Pathfinder 2025

Description

Intelligent Key system all functions cannot operate (door lock and engine start).

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG	NG	No start	No start	OK

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

“ENGINE START BY I-KEY” setting in “WORK SUPPORT” mode of “HANDS FREE MODULE” is ON.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY-1

For both Intelligent Keys that cannot be used for door lock and unlock, check that the Intelligent Key belongs to the Nissan Pathfinder vehicle to be checked.

• Check if the Intelligent Key that is checked is the Intelligent Key for a different NISSAN Nissan Pathfinder vehicle that the user owns.

• Check that the Intelligent Key buttons match the vehicle specifications.

Does the Intelligent Key belong to the Nissan Pathfinder vehicle to be checked?

YES>>

GO TO 3.

NO>>

Check Intelligent Key button operation using a registered Intelligent Key that belongs to the Nissan Pathfinder vehicle.

CHECK INTELLIGENT KEY-2

Check the inside of the both Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace Intelligent Key.

REGISTER INTELLIGENT KEY

1. Register the Intelligent Key again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

1. Replace the Intelligent Key and perform registration again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check the operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock with Intelligent Key Nissan Pathfinder 2022

Description

All doors do not lock/unlock using Intelligent Key button.

NOTE:

Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Pathfinder vehicle”, and check each symptom.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG	OK	OK	OK	OK

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

Registered Intelligent Key is within the detection area of remote keyless entry receiver.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY OUTPUT SIGNAL

Use SIGNAL TECH II to check Intelligent Key output signal. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

Is the inspection result normal?

YES>>

Replace Intelligent Key unit. Refer to Removal and Installation.

NO>>

Replace Intelligent Key.

Door Does Not Lock/unlock with Door Request Switch and Intelligent Key Nissan Pathfinder R53

Description

All doors do not lock/unlock using door request switch.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG	NG	OK	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK POWER DOOR LOCK OPERATION

Check door lock/unlock using door lock/unlock switch.

Does door lock/unlock using door lock/unlock switch?

YES>>

GO TO 3.

NO>>

Refer to Description.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Intelligent Key Button Operation Has Poor Range (all Keys) Nissan Pathfinder Fifth generation

Description

Intelligent Key button operation has poor range.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
Poor range	OK	OK	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY LOW BATTERY WARNING

Check that the Intelligent Key low battery warning operates.

Is the Intelligent Key low battery warning operated?

YES>>

GO TO 3.

NO>>

Replace Intelligent Key battery. Refer to Removal and Installation.

CHECK INTELLIGENT KEY BATTERY

Check the Intelligent Key battery.

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace Intelligent Key battery. Refer to Removal and Installation.

REMOTE AFTERMARKET DEVICE

1. If the Nissan Pathfinder vehicle is equipped with any interference-generating aftermarket device such as a vehicle security system, charger and remote engine starter etc., remove them.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock with Intelligent Key (one Key) Nissan Pathfinder

Description

All doors do not lock/unlock using Intelligent Key button. (One Intelligent Key has the symptom, other keys operate normally.)

NOTE:

Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Pathfinder vehicle”, and check each symptom.

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
NG	OK	OK	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY OUTPUT SIGNAL

Use SIGNAL TECH II to check Intelligent Key output signal. For the inspection method and how to use SIGNAL TECH II, refer to “NISSAN/INFINITI SIGNAL TECH II USER GUIDE”.

YES>>

GO TO 3.

NO>>

Replace Intelligent Key.

REGISTER INTELLIGENT KEY

1. Register the Intelligent Key again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 4.

REPLACE INTELLIGENT KEY

1. Replace the Intelligent Key and perform registration again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Does Not Lock/unlock and Engine Does Not Start (one I-Key/req Sw/push Sw) Nissan Pathfinder 2022

Description

All doors do not lock/unlock using door request switch and engine does not start when push-button ignition switch is pressed while carrying Intelligent Key. (One Intelligent Key has the symptom, other keys operate normally.)

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna) = OK
NG	NG	No crank, No start	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY

Check the inside of the Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage. Squeeze, twist or bend the Intelligent Key and check the functionality again. Is the Intelligent Key operating normally?

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace Intelligent Key.

CHECK INTELLIGENT KEY BATTERY

Check the Intelligent Key battery.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace Intelligent Key battery. Refer to Removal and Installation.

REGISTER INTELLIGENT KEY

1. Register the Intelligent Key again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

1. Replace the Intelligent Key and perform registration again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Intelligent Key System All Functions Cannot Operate (one Key) Nissan Pathfinder SUV

Description

All functions of Intelligent Key system cannot operate (door lock and engine start). (One Intelligent Key has the symptom, other keys operate normally.)

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna) =NG
NG	NG	No crank, No start	No crank, No start	NG

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY-1

For Intelligent Key that cannot be used for door lock and unlock, check that the Intelligent Key belongs to the Nissan Pathfinder vehicle to be checked.

Does the Intelligent Key belong to the vehicle to be checked?

YES>>

GO TO 3.

NO>>

Check Intelligent Key button operation using a registered Intelligent Key that belongs to the Nissan Pathfinder vehicle.

CHECK INTELLIGENT KEY-2

Check the inside of the Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace Intelligent Key.

REGISTER INTELLIGENT KEY

1. Register the Intelligent Key again.

2. Check the operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 5.

REPLACE INTELLIGENT KEY

1. Replace the Intelligent Key and perform registration again.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 6.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Intelligent Key Button Operation Has Poor Range (one Key) Nissan Pathfinder 2022

Description

Intelligent Key button operation has poor range. (One Intelligent Key has the symptom, other keys operate normally.)

SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE SYMPTOM, OTHER KEYS OPERATE NORMALLY)

Door lock operation (remote keyless entry)	Door lock operation (request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
Poor range	OK	OK	OK	OK

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK INTELLIGENT KEY LOW BATTERY WARNING

Check that the Intelligent Key low battery warning operates.

Is the Intelligent Key low battery warning operated?

YES>>

Replace Intelligent Key battery. Refer to Removal and Installation.

NO>>

GO TO 3.

CHECK INTELLIGENT KEY BATTERY

Check the Intelligent Key battery. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Replace Intelligent Key and register new Intelligent Key.

NO>>

Replace Intelligent Key battery. Refer to Removal and Installation.

Approach Unlock/walk Away Lock Function Does Not Operate (all Keys) Nissan Pathfinder Fifth generation

Description

Approach unlock/walk away lock function does not operate.

NOTE:

Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Pathfinder vehicle”, and check each symptom.

SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS)

Door lock operation (remote keyless entry)	Door lock operation (one touch sensor or request switch of front/rear/back door) or trunk/back door open operation (opener switch of trunk/back door panel)	Engine started with push-button ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna)	Engine started with push-button ignition switch operation (registered Intelligent Key placed next to push-button ignition switch)	Unlock operation when approaching the Nissan Pathfinder vehicle, lock operation when away from the vehicle (registered Intelligent Key is within the detection area of outside key antenna)
OK	OK	OK	OK	NG

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

• “Walk Away Lock” and “Approach Unlock” of the vehicle setting in the combination meter is ON.

• Registered Intelligent Key is within the detection area of outside key antenna.

DIAGNOSIS PROCEDURE

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure.

>>

GO TO 2.

CHECK OUTSIDE KEY ANTENNA

Check outside key antenna.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Check operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Automatic Back Door Functions Do Not Cancel Nissan Pathfinder 2025

Diagnosis Procedure

CHECK “POWER BACK DOOR SETTING” IN COMBINATION METER

Check “Power back door setting” is in the OFF.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Set “Power back door setting” to “OFF”.

REPLACE AUTOMATIC BACK DOOR CONTROL UNIT

1. Replace automatic back door control unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Automatic Back Door Anti-Pinch Function Does Not Operate Nissan Pathfinder 2022

Diagnosis Procedure

CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT

Check that DTC is not detected with automatic back door control unit.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Refer to DTC Index.

CHECK TOUCH SENSOR LH

Check touch sensor LH.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK TOUCH SENSOR RH

Check touch sensor RH.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

REPLACE AUTOMATIC BACK DOOR CONTROL UNIT

1. Replace automatic back door control unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Auto Door Lock Operation Does Not Operate Nissan Pathfinder 2025

Diagnosis Procedure

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Back Door Auto Closure Function Does Not Operate Nissan Pathfinder 2022

Diagnosis Procedure

CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT

Check that DTC is not detected with automatic back door control unit.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Refer to DTC Index.

CHECK OPEN SWITCH

Check open switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK CLOSE SWITCH

Check close switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK HALF LATCH SWITCH

Check half latch switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace the malfunctioning parts.

CHECK BACK DOOR CLOSURE MOTOR

Check back door closure motor.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace the malfunctioning parts.

REPLACE BACK DOOR LOCK ASSEMBLY

1. Replace back door lock assembly.

2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 7.

REPLACE AUTOMATIC BACK DOOR CONTROL UNIT

1. Replace automatic back door control unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Door Lock Operation Warning Does Not Operate Nissan Pathfinder 5th Gen

Diagnosis Procedure

CHECK DOOR LOCK FUNCTION

Check door lock using door request switch.

Does door lock with door request switch?

YES>>

GO TO 2.

NO>>

Refer to Diagnosis Procedure.

CHECK INTELLIGENT KEY WARNING BUZZER

Check Intelligent Key warning buzzer.

Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Intelligent Key Low Battery Warning Does Not Operate Nissan Pathfinder

Diagnosis Procedure

CHECK INFORMATION DISPLAY

Check information display.

Refer to Work flow.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK INTELLIGENT KEY BATTERY

Check Intelligent Key battery.

Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK INSIDE KEY ANTENNA

Check inside key antenna.

• NATS antenna amp.: Refer to DTC Diagnosis Procedure.

• Inside key antenna: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Ignition Position Warning Function Does Not Operate Nissan Pathfinder Fifth generation

Diagnosis Procedure

CHECK POWER DOOR LOCK OPERATION

Check door lock/unlock using door lock/unlock switch.

Does door lock/unlock with door lock/unlock switch?

YES>>

GO TO 2.

NO>>

Refer to Diagnosis Procedure.

CHECK DOOR SWITCH

Check front door switch (front LH).

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

REPLACE BCM

1. Replace BCM. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Ign Off Interlock Door Unlock Function Does Not Operate Nissan Pathfinder 2025

Diagnosis Procedure

CHECK “AUTO DOOR UNLOCK” SETTING IN COMBINATION METER

Check “Auto Door Unlock” setting is “IGN OFF”.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Set “IGN OFF” in combination meter.

REPLACE BCM

1. Replace BCM. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Key Reminder Function Does Not Operate Nissan Pathfinder 5th Gen

Diagnosis Procedure

CHECK DOOR SWITCH

Check door switch.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK UNLOCK SENSOR

Check unlock sensor.

Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK AJAR SWITCH

Check ajar switch.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK INSIDE KEY ANTENNA

Check inside key antenna.

• NATS antenna amp.: Refer to DTC Diagnosis Procedure.

• Inside key antenna: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace the malfunctioning parts.

REPLACE BCM

1. Replace BCM. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Off Position Warning Does Not Operate Nissan Pathfinder Fifth generation

Diagnosis Procedure

CHECK DOOR SWITCH

Check door switch (front LH).

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK COMBINATION METER BUZZER

Check combination meter buzzer.

Refer to Diagnosis Procedure (Full TFT meter) or Diagnosis Procedure (7 inch information display).

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK INTELLIGENT KEY WARNING BUZZER

Check Intelligent Key warning buzzer.

Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Take Away Warning Does Not Operate Nissan Pathfinder 2025

Diagnosis Procedure

CHECK COMBINATION METER BUZZER

Check combination meter buzzer.

Refer to Diagnosis Procedure (Full TFT meter) or Diagnosis Procedure (7 inch information display).

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK INFORMATION DISPLAY

Check information display.

Refer to Work flow.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace the malfunctioning parts.

CHECK DOOR SWITCH

Check door switch.

Refer to Component Function Check.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK INTELLIGENT KEY WARNING BUZZER

Check Intelligent Key warning buzzer.

Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace the malfunctioning parts.

CHECK INSIDE KEY ANTENNA

Check inside key antenna.

• NATS antenna amp.: Refer to DTC Diagnosis Procedure.

• Inside key antenna: Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace the malfunctioning parts.

REPLACE INTELLIGENT KEY UNIT

1. Replace Intelligent Key unit. Refer to Removal and Installation.

2. Confirm the operation after replacement.

Is the result normal?

YES>>

Inspection End.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Normal Operating Condition Nissan Pathfinder R53

Description

• When the back door position is in the range of [between "just before fully closed" and the position approximately less than 150 mm (5.91 in) from "just before fully closed" ], the back door does not operate even if any of switches are operated.

• To operate the back door by switches, manually close the back door to "Fully closed" position or manually open the back door approximately more than 150 mm (5.91 in) from the position of "Just before fully closed". And then operate any of switches.

Squeak and Rattle Trouble Diagnoses ➤ Nissan Pathfinder