Nissan Pathfinder: Security Control System - Symptom Diagnosis
- Intelligent Key System Symptoms
- Engine Can Not Start
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)
- Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (one Key)
- Vehicle Security Alarm Does Not Activate
- Panic Alarm Function Does Not Operate
- Remote Engine Start Function Does Not Operate
Intelligent Key System Symptoms Nissan Pathfinder 2025
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 |
Engine Can Not Start Nissan Pathfinder 5th Gen
Description
Engine does not start when push-button ignition switch is pressed.
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 | OK | 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.
PERFORM SELF-DIAGNOSIS RESULT
Select “Self Diagnostic Result” mode of all systems, and check if DTC is detected.
Is DTC detected?
YES>>Perform the trouble diagnosis for the detected DTC.
NO>>GO TO 3.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Engine Does Not Start When Intelligent Key Is Inside of Vehicle Nissan Pathfinder 2022
Description
Engine does not start when push-button ignition switch is pressed while carrying Intelligent Key.
NOTE:
-
Before starting diagnosis check that Nissan Pathfinder vehicle condition is as shown in “Conditions of vehicle”, and check each symptom.
-
The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent Key system are closely related to each other regarding control. The Nissan Pathfinder vehicle security function can operate only when the door lock and power distribution system are operating normally.
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 | OK | 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.
-
One or more Intelligent Keys with a registered Intelligent Key ID are in the Nissan Pathfinder vehicle.
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 the detected DTC.
NO>>GO TO 3.
CHECK “ENGINE START BY I-KEY” SETTING IN “WORK SUPPORT”
CONSULT
-
Select “HANDS FREE MODULE”.
-
Select “ENGINE START BY I-KEY” of “WORK SUPPORT” mode.
-
Check “ENGINE START BY I-KEY” in “WORK SUPPORT”.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Set “On” in “ENGINE START BY I-KEY”.
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 5.
NO>>Repair or replace malfunctioning parts.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace malfunctioning parts.
REPLACE INTELLIGENT KEY UNIT
-
Replace Intelligent Key unit. Refer to Removal and Installation.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key) Nissan Pathfinder Fifth generation
Description
Engine does not start when push-button ignition switch is pressed. (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 | OK | No crank, No start | No crank, No start | 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.
REGISTER INTELLIGENT KEY
-
Register the Intelligent Key.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 3.
REPLACE INTELLIGENT KEY
-
Replace the Intelligent Key and perform registration again.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 4.
REPLACE INTELLIGENT KEY UNIT
-
Replace Intelligent Key unit. Refer to Removal and Installation.
-
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) (one Key) Nissan Pathfinder Fifth generation
Description
Door does not lock/unlock with 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 | 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 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.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace Intelligent Key battery. Refer to Removal and Installation.
REGISTER INTELLIGENT KEY
-
Register the Intelligent Key.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 5.
REPLACE INTELLIGENT KEY
-
Replace the Intelligent Key and perform registration again.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>GO TO 6.
REPLACE INTELLIGENT KEY UNIT
-
Replace Intelligent Key unit. Refer to Removal and Installation.
-
Check operation after replacement.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Vehicle Security Alarm Does Not Activate Nissan Pathfinder Fifth generation
Description
Alarm does not operate when alarm operating condition is satisfied.
Diagnosis Procedure
CHECK DOOR SWITCH
Check door switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace the malfunctioning door switch
CHECK HOOD SWITCH
Check hood switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 3
NO>>Replace the malfunctioning door switch
CHECK HEADLAMP FUNCTION
Check headlamp function. Refer to Symptom Table.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace malfunctioning parts.
CHECK HORN FUNCTION
Check horn function. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace the malfunctioning parts.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Panic Alarm Function Does Not Operate Nissan Pathfinder Fifth generation
Description
Panic alarm does not operate when press the PANIC ALARM button of Intelligent Key.
Diagnosis Procedure
CHECK INTELLIGENT KEY SYSTEM (REMOTE KEYLESS ENTRY FUNCTION)
Press the LOCK button of Intelligent Key.
Are all doors LOCKED?
YES>>GO TO 2.
NO>>Check Intelligent Key system (remote keyless entry function). Refer to System Description.
CHECK HEADLAMP FUNCTION
Check headlamp function. Refer to Symptom Table.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace malfunctioning parts.
CHECK HORN FUNCTION
Check horn function. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace malfunctioning parts.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Remote Engine Start Function Does Not Operate Nissan Pathfinder Fifth generation
Description
Engine does not start when operating REMOTE ENGNE START button of Intelligent Key.
NOTE:
Check that vehicle is under the condition shown in “Conditions of Nissan Pathfinder vehicle” before starting diagnosis, and check each symptom.
Conditions of Vehicle (Operating Conditions)
-
Shift position is in P position.
-
Vehicle security system is not in operation.
-
Registered Intelligent Key is not in the Nissan Pathfinder vehicle.
Diagnosis Procedure
CHECK INTELLIGENT KEY SYSTEM (REMOTE KEYLESS ENTRY FUNCTION)
Lock/unlock door with Intelligent Key. Refer to System Description.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Check Intelligent Key system (remote keyless entry function). Refer to System Description.
CHECK HOOD SWITCH
Check hood switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace 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 malfunctioning parts.
CHECK HAZARD SWITCH
Check hazard switch. Refer to Component Function Check.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace malfunctioning parts.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Is the inspection result normal?
YES>>Inspection End.
NO>>Check intermittent incident. Refer to Intermittent Incident.
Nissan Pathfinder (R53) 2022-2025 Service Manual
Symptom Diagnosis
- Intelligent Key System Symptoms
- Engine Can Not Start
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle
- Engine Does Not Start When Intelligent Key Is Inside of Vehicle (one Key)
- Door Does Not Lock/unlock and Engine Does Not Start (req Sw/push Sw) (one Key)
- Vehicle Security Alarm Does Not Activate
- Panic Alarm Function Does Not Operate
- Remote Engine Start Function Does Not Operate
Contact Us
Nissan Pathfinder Info Center
Email: info@nipathfinder.com
Phone: +1 (800) 123-4567
Address: 123 Pathfinder Blvd, Nashville, TN 37214, USA
Working Hours: Mon–Fri, 9:00 AM – 5:00 PM (EST)
