Nissan Pathfinder: Automatic Drive Positioner - Dtc/circuit Diagnosis

• B2900-01 Sliding / Lifting Switch
• B2920-09 Driver Seat Control Unit
• B2921-A2 Driver Seat Control Unit
• B2921-A3 Driver Seat Control Unit
• U2118-87 Can Comm Err (intelligent Key)
• Power Supply and Ground Circuit (driver Seat Control Unit)
• Sliding Switch
• Seat Memory Switch
• Power Seat Switch Lh Ground Circuit
• Sliding Sensor
• Tilt Sensor
• Sliding Motor
• Lifting Motor (front)
• Telescopic Motor
• Seat Memeory Switch Indicator

B2900-01 Sliding / Lifting Switch Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
B2900-01	Sliding / lifting switch (Sliding / lifting switch)	Diagnosis condition	The power consumption control of driver seat control unit is in wake-up state
		Signal (terminal)	Sliding / lifting switch signal (terminal #31)
		Threshold	0.352 – 3.962 V
		Diagnosis delay time	20 seconds or more

POSSIBLE CAUSE

• Sliding / lifting switch

• Driver seat control unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON and wait for 20 seconds or more.

2. Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK SLIDING / LIFTING SWITCH SIGNAL VOLTAGE

Check voltage between driver seat control unit harness connector and ground.

(+)		(—)	Condition		Voltage (Approx.)
Driver seat control unit
Connector	Terminal
B209	31	Ground	Sliding switch	Operate (forward)	3.065 – 3.962 V
				Operate (backward)	2.638 – 3.064 V
			Lifting switch	Operate (upward)	0.789 – 1.755 V
				Operate (downward)	0.352 – 0.788 V
			Sliding / lifting switch release		3.963 – 4.799 V*

^*: When the power consumption control of driver seat control unit is in wake-up state.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

GO TO 2.

CHECK SLIDING / LIFTING SWITCH

Check sliding / lifting switch. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Replace power seat switch LH. Refer to Removal and Installation.

Component Inspection

CHECK SLIDING / LIFTING SWITCH

1. Ignition switch OFF.

2. Disconnect power seat switch LH connector.

3. Check resistance between power seat switch LH terminals.

   Power seat switch LH		Condition		Resistance: (kΩ)
   Terminals
   1	4	Sliding switch	Operate (forward)	4.485 – 4.575
   			Operate (backward)	2.673 – 2.727
   		Lifting switch	Operate (upward)	0.418 – 0.426
   			Operate (downward)	0.258 – 0.264
   		Sliding / lifting switch release		29.700 – 30.300

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace power seat switch LH. Refer to Removal and Installation.

B2920-09 Driver Seat Control Unit Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
B2920-09	Driver seat control unit (Driver seat control unit)	Diagnosis condition	The power consumption control of driver seat control unit is in wake-up state
		Signal (terminal)	—
		Threshold	Detects internal relay fixing
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

Driver seat control unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

REPLACE DRIVER SEAT CONTROL UNIT

Replace driver seat control unit. Refer to Removal and Installation.

>>

Inspection End.

B2921-A2 Driver Seat Control Unit Nissan Pathfinder 2025

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
B2921-A2	Driver seat control unit (Driver seat control unit)	Diagnosis condition	The power consumption control of driver seat control unit is in wake-up state
		Signal (terminal)	Battery power supply (terminal #48)
		Threshold	8 V or less
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

• Fuse

• Driver seat control unit battery power supply harness is open or shorted

• Driver seat control unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK FUSE

1. Ignition switch OFF.

2. Check that the following fuse is not blown (open):

   Signal name	Fuse No.	Capacity
   Battery power supply	54	20 A

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

NO>>

GO TO 2.

CHECK BATTERY POWER SUPPLY VOLTAGE

1. Disconnect driver seat control unit connector.

2. Check voltage between driver seat control unit harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Driver seat control unit
   Connector	Terminal
   B210	48	Ground	Battery voltage

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the driver seat control unit battery power supply circuit.

B2921-A3 Driver Seat Control Unit Nissan Pathfinder R53

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
B2921-A3	Driver seat control unit (Driver seat control unit)	Diagnosis condition	The power consumption control of driver seat control unit is in wake-up state
		Signal (terminal)	Battery power supply (terminal #48)
		Threshold	18 V or more
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

Charging system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK CHARGING SYSTEM

Perform trouble diagnosis for charging system. Refer to Work Flow (With 165-DSS-5000P) or Work Flow (Without 165-DSS-5000P).

>>

Inspection End.

U2118-87 Can Comm Err (intelligent Key) Nissan Pathfinder 5th Gen

DTC Description

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Pathfinder vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Pathfinder vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detection condition
U2118-87	CAN comm err (Intelligent Key) [Controller area network communication error (Intelligent Key)]	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	CAN communication signal
		Threshold	When driver seat control unit cannot communicate CAN communication signal
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON and wait for 2 seconds or more.

2. Select “Self Diagnostic Result” mode of “AUTO DRIVE POS.”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK CAN COMMUNICATION SYSTEM

Perform trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

Power Supply and Ground Circuit (driver Seat Control Unit) Nissan Pathfinder Fifth generation

Diagnosis Procedure

CHECK FUSE

1. Ignition switch OFF.

2. Check that the following fuse is not blown (open):

   Signal name	Fuse No.	Capacity
   Battery power supply	54	20 A

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

NO>>

GO TO 2.

CHECK BATTERY POWER SUPPLY VOLTAGE

1. Disconnect driver seat control unit connector.

2. Check voltage between driver seat control unit harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Driver seat control unit
   Connector	Terminal
   B210	48	Ground	Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the driver seat control unit battery power supply circuit.

CHECK GROUND CIRCUIT (OPEN)

Check continuity between driver seat control unit harness connector and ground.

Driver seat control unit		—	Continuity
Connector	Terminal
B210	51	Ground	Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair the harness or connector.

Sliding Switch Nissan Pathfinder SUV

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “Sliding switch (Forward)” and “Sliding switch (Backward)” in “Data Monitor” mode of “AUTO DRIVE POS.”.

3. Check sliding switch signal under the following conditions:

Monitor item	Condition		Status
Sliding switch (Forward)	Sliding switch	Operate (forward)	On
		Release	Off
Sliding switch (Backward)	Sliding switch	Operate (backward)	On
		Release	Off

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK SLIDING SWITCH POWER SUPPLY VOLTAGE

1. Ignition switch OFF.

2. Disconnect power seat switch LH connector.

3. Ignition switch ON.

4. Check voltage between power seat switch LH harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Power seat switch LH
   Connector	Terminal
   B208	4	Ground	5 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 2.

CHECK SLIDING SWITCH SIGNAL CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect driver seat control unit connector.

3. Check continuity between power seat switch LH harness connector and driver seat control unit harness connector.

   Power seat switch LH		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B208	4	B209	31	Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK SLIDING SWITCH SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between power seat switch LH harness connector and ground.

Power seat switch LH		—	Continuity
Connector	Terminal
B208	4	Ground	No

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

CHECK SLIDING SWITCH

Check sliding switch. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace power seat switch LH. Refer to Removal and Installation.

Component Inspection

CHECK SLIDING SWITCH

1. Ignition switch OFF.

2. Disconnect power seat switch LH connector.

3. Check resistance between power seat switch LH terminals.

   Power seat switch LH		Condition		Resistance (kΩ)
   Terminals
   1	4	Sliding switch	Operate (forward)	4.485 – 4.575
   			Operate (backward)	2.673 – 2.727
   			Release	29.700 – 30.300

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace power seat switch LH. Refer to Removal and Installation.

Seat Memory Switch Nissan Pathfinder SUV

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “Memory switch 1”, “Memory switch 2” and “Set switch” in “Data Monitor” mode of “AUTO DRIVE POS.”.

3. Check seat memory switch signal under the following conditions:

Monitor item	Condition		Status
Memory switch 1	Memory switch-1	Press	On
		Release	Off
Memory switch 2	Memory switch-2	Press	On
		Release	Off
Set switch	Set switch	Press	On
		Release	Off

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK SEAT MEMORY SWITCH POWER SUPPLY VOLTAGE

1. Ignition switch OFF.

2. Disconnect seat memory switch connector.

3. Ignition switch ON.

4. Check voltage between seat memory switch harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Seat memory switch
   Connector	Terminal
   D60	1	Ground	Battery voltage
   	6
   	7

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 2.

CHECK SEAT MEMORY SWITCH SIGNAL CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect driver seat control unit connector.

3. Check continuity between seat memory switch harness connector and driver seat control unit harness connector.

   Seat memory switch		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   D60	1	B209	10	Yes
   	6		12
   	7		9

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK SEAT MEMORY SWITCH SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between seat memory switch harness connector and ground.

Seat memory switch		—	Continuity
Connector	Terminal
D60	1	Ground	No
	6
	7

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

CHECK SEAT MEMORY SWITCH GROUND CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Check continuity between seat memory switch harness connector and ground.

   Seat memory switch		—	Continuity
   Connector	Terminal
   D60	8	Ground	Yes

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair the harness or connector.

CHECK SEAT MEMORY SWITCH

Check seat memory switch. Refer to Component Inspection.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace seat memory switch. Refer to Removal and Installation.

Component Inspection

CHECK SEAT MEMORY SWITCH

1. Ignition switch OFF.

2. Disconnect seat memory switch connector.

3. Check continuity between seat memory switch terminals.

   Seat memory switch		Condition		Continuity
   Terminals
   8	7	Memory switch-1	Press	Yes
   			Release	No
   	1	Memory switch-2	Press	Yes
   			Release	No
   	6	Set switch	Press	Yes
   			Release	No

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Replace seat memory switch. Refer to Removal and Installation.

Power Seat Switch Lh Ground Circuit Nissan Pathfinder R53

Diagnosis Procedure

CHECK POWER SEAT SWITCH GROUND CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect power seat switch LH connector and driver seat control unit connector.

3. Check continuity between power seat switch LH harness connector and driver seat control unit harness connector.

   Power seat switch LH		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B208	1	B209	32	Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair the harness or connector.

Sliding Sensor Nissan Pathfinder 5th Gen

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “Sliding motor position” in “Data Monitor” mode of “AUTO DRIVE POS.”.

3. Check sliding sensor signal under the following conditions:

Monitor item	Condition		Status
Sliding motor position	Seat sliding	Operate (forward)	Change (increase)
		Operate (backward)	Change (decrease)
		Other than the above	No change

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK SLIDING SENSOR SIGNAL

Check signal between driver seat control unit harness connector and ground with oscilloscope.

(+)		(—)	Condition		Signal (Reference value)
Driver seat control unit
Connector	Terminal
B209	35	Ground	Seat sliding	Operate
				Other than the above	5 V*

^*: When the power consumption control of driver seat control unit is in wake-up state.

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK SLIDING SENSOR SIGNAL CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect driver seat control unit connector and sliding motor LH connector.

3. Check continuity between driver seat control unit harness connector and sliding motor LH harness connector.

   Driver seat control unit		Sliding motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   B209	35	B211	3	Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK SLIDING SENSOR SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between driver seat control unit harness connector and ground.

Driver seat control unit		—	Continuity
Connector	Terminal
B209	35	Ground	No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair the harness or connector.

CHECK SLIDING SENSOR POWER SUPPLY VOLTAGE

1. Connect driver seat control unit connector.

2. Check voltage between sliding motor LH harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Sliding motor LH
   Connector	Terminal
   B211	4	Ground	Battery voltage

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 5.

CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT (OPEN)

1. Disconnect driver seat control unit connector.

2. Check continuity between sliding motor LH harness connector and driver seat control unit harness connector.

   Sliding motor LH		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B211	4	B209	34	Yes

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair the harness or connector.

CHECK SLIDING SENSOR POWER SUPPLY CIRCUIT (SHORT TO GROUND)

Check continuity between sliding motor LH harness connector and ground.

Sliding motor LH		—	Continuity
Connector	Terminal
B211	4	Ground	No

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

CHECK SLIDING SENSOR GROUND CIRCUIT (OPEN)

1. Disconnect driver seat control unit connector.

2. Check continuity between sliding motor LH harness connector and driver seat control unit harness connector.

   Sliding motor LH		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B211	2	B209	33	Yes

Is the inspection result normal?

YES>>

Replace sliding motor LH.

NO>>

Repair the harness or connector.

Tilt Sensor Nissan Pathfinder 2022

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “TILT PULSE” in “Data Monitor” mode of “AUTO DRIVE POS.”.

3. Check sliding tilt signal under the following conditions:

Monitor item	Condition		Status
TILT PULSE	Tilt motor	Operate (upward)	Change (increase)
		Operate (downward)	Change (decrease)
		Other than the above	No change

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK TILT SENSOR SIGNAL

Check signal between automatic drive positioner control unit harness connector and ground with oscilloscope.

(+)		(—)	Condition		Signal (Reference value)
Automatic drive positioner control unit
Connector	Terminal
M33	7	Ground	Steering tilt	Operate
				Other than the above	5 V*

^*: When the power consumption control of automatic drive positioner control unit is in wake-up state.

Is the inspection result normal?

YES>>

Replace automatic drive positioner control unit. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK TILT SENSOR SIGNAL CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect automatic drive positioner control unit connector and tilt motor connector.

3. Check continuity between automatic drive positioner control unit harness connector and tilt motor harness connector.

   Automatic drive positioner control unit		Tilt motor		Continuity
   Connector	Terminal	Connector	Terminal
   M33	7	M85	5	Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK TILT SENSOR SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between automatic drive positioner control unit harness connector and ground.

Automatic drive positioner control unit		—	Continuity
Connector	Terminal
M33	7	Ground	No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair the harness or connector.

CHECK TILT SENSOR POWER SUPPLY VOLTAGE

1. Connect automatic drive positioner control unit connector.

2. Check voltage between tilt motor harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Tilt motor
   Connector	Terminal
   M85	4	Ground	Battery voltage

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 5.

CHECK TILT SENSOR POWER SUPPLY CIRCUIT (OPEN)

1. Disconnect automatic drive positioner control unit connector.

2. Check continuity between tilt motor harness connector and automatic drive positioner control unit harness connector.

   Tilt motor		Automatic drive positioner control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M85	4	M33	8	Yes

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair the harness or connector.

CHECK TILT SENSOR POWER SUPPLY CIRCUIT (SHORT TO GROUND)

Check continuity between tilt motor harness connector and ground.

Tilt motor		—	Continuity
Connector	Terminal
M85	4	Ground	No

Is the inspection result normal?

YES>>

Replace automatic drive positioner control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

CHECK TILT SENSOR GROUND CIRCUIT (OPEN)

1. Disconnect automatic drive positioner control unit connector.

2. Check continuity between tilt motor harness connector and automatic drive positioner control unit harness connector.

   Tilt motor		Automatic drive positioner control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M85	6	M33	9	Yes

Is the inspection result normal?

YES>>

Replace tilt motor. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

Sliding Motor Nissan Pathfinder 5th Gen

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “Sliding motor” in “Active Test” mode of “AUTO DRIVE POS.”.

3. Check sliding motor operation.

Test item		Operation
Sliding motor	Forward	Seat sliding	Forward
	Backward		Backward
	Stop		Stop

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK SLIDING MOTOR POWER SUPPLY VOLTAGE

CONSULT

1. Ignition switch OFF.

2. Disconnect sliding motor LH connector.

3. Ignition switch ON.

4. Select “Sliding motor” in “Active Test” mode of “AUTO DRIVE POS.”.

5. Check voltage between sliding motor LH harness connector and ground.

   (+)		(—)	Condition		Voltage (Approx.)
   Sliding motor LH
   Connector	Terminal
   B211	5	Ground	Sliding motor	Forward	Battery voltage
   				Backward	0 V
   				Stop	0 V
   	1			Forward	0 V
   				Backward	Battery voltage
   				Stop	0 V

Is the inspection result normal?

YES>>

Replace sliding motor LH.

NO>>

GO TO 2.

CHECK SLIDING MOTOR POWER SUPPLY CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect driver seat control unit connector.

3. Check continuity between sliding motor LH harness connector and driver seat control unit harness connector.

   Sliding motor LH		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B211	1	B210	44	Yes
   	5		43

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK SLIDING MOTOR POWER SUPPLY CIRCUIT (SHORT TO GROUND)

Check continuity between sliding motor LH harness connector and ground.

Sliding motor LH		—	Continuity
Connector	Terminal
B211	1	Ground	No
	5

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

Lifting Motor (front) Nissan Pathfinder SUV

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “SEAT LIFTER FR” in “Active Test” mode of “AUTO DRIVE POS.”.

3. Check lifting motor LH (front) operation.

Test item		Operation
SEAT LIFTER FR	Up	Lifting motor LH (front)	Upward
	Down		Downward
	Stop		Stop

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK LIFTING MOTOR LH (FRONT) POWER SUPPLY VOLTAGE

CONSULT

1. Ignition switch OFF.

2. Disconnect lifting motor LH (front) connector.

3. Ignition switch ON.

4. Select “SEAT LIFTER FR” in “Active Test” mode of “AUTO DRIVE POS.”.

5. Check voltage between lifting motor LH (front) harness connector and ground.

   (+)		(—)	Condition		Voltage (Approx.)
   Lifting motor LH (front)
   Connector	Terminal
   B202	1	Ground	Lifting motor LH (front)	Up	Battery voltage
   				Down	0 V
   				Stop	0 V
   	3			Up	0 V
   				Down	Battery voltage
   				Stop	0 V

Is the inspection result normal?

YES>>

Replace seat cushion frame. Refer to Seat Cushion.

NO>>

GO TO 2.

CHECK LIFTING MOTOR LH (FRONT) POWER SUPPLY CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect driver seat control unit connector.

3. Check continuity between lifting motor LH (front) harness connector and driver seat control unit harness connector.

   Lifting motor LH (front)		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   B202	1	B210	53	Yes
   	3		52

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK LIFTING MOTOR LH (FRONT) POWER SUPPLY CIRCUIT (SHORT TO GROUND)

Check continuity between lifting motor LH (front) harness connector and ground.

Lifting motor LH (front)		—	Continuity
Connector	Terminal
B202	1	Ground	No
	3

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

Telescopic Motor Nissan Pathfinder

Component Function Check

CHECK FUNCTION

CONSULT

1. Ignition switch ON.

2. Select “TELESCO MOTOR” in “Active Test” mode of “AUTO DRIVE POS.”.

3. Check telescopic motor operation.

Test item		Operation
TELESCO MOTOR	FR	Steering telescopic	Forward
	RR		Backward
	Off		Off

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK TELESCOPIC MOTOR POWER SUPPLY VOLTAGE

CONSULT

1. Ignition switch OFF.

2. Disconnect telescopic motor connector.

3. Ignition switch ON.

4. Select “TELESCOPIC MOTOR” in “Active Test” mode of “AUTO DRIVE POS.”.

5. Check voltage between telescopic motor harness connector and ground.

   (+)		(—)	Condition		Voltage (Approx.)
   Telescopic motor
   Connector	Terminal
   M94	2	Ground	Telescopic motor	Forward	Battery voltage
   				Backward	0 V
   				Stop	0 V
   	1			Forward	0 V
   				Backward	Battery voltage
   				Stop	0 V

Is the inspection result normal?

YES>>

Replace telescopic motor.

NO>>

GO TO 2.

CHECK TELESCOPIC MOTOR POWER SUPPLY CIRCUIT (OPEN)

1. Ignition switch OFF.

2. Disconnect automatic drive positioner control unit connector.

3. Check continuity between telescopic motor harness connector and automatic drive positioner control unit harness connector.

   Telescopic motor		Automatic drive positioner control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M94	1	M34	17	Yes
   	2		18

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK TELESCOPIC MOTOR POWER SUPPLY CIRCUIT (SHORT TO GROUND)

Check continuity between telescopic motor harness connector and ground.

Telescopic motor		—	Continuity
Connector	Terminal
M94	1	Ground	No
	2

Is the inspection result normal?

YES>>

Replace automatic drive positioner control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.

Seat Memeory Switch Indicator Nissan Pathfinder 2022

Component Function Check

CHECK FUNCTION

1. Push set switch.

2. Check memory indicator operation.

   When driver seat position is already retained in memory	: Illuminated for 5 seconds
   When driver seat position is not retained in memory	: Illuminated for 0.5 second

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK MEMORY INDICATOR OPERATION

Check memory indicator operation.

Which is the malfunctioning indicator?

All indicators are NG>>

GO TO 2.

An indicator is NG>>

GO TO 4.

CHECK FUSE

Check that the following fuse is not blown (open):

Signal name	Fuse No.	Capacity
Memory indicator power supply	26	5 A

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

NO>>

GO TO 3.

CHECK MEMORY INDICATOR POWER SUPPLY VOLTAGE

1. Disconnect seat memory switch connector.

2. Check voltage between seat memory switch harness connector and ground.

   (+)		(—)	Voltage (Approx.)
   Seat memory switch
   Connector	Terminal
   D60	2	Ground	Battery voltage

Is the inspection result normal?

YES>>

Replace seat memory switch. Refer to Removal and Installation.

NO>>

Repair the memory indicator power supply circuit.

CHECK MEMORY INDICATOR SIGNAL VOLTAGE

Check voltage between seat memory switch harness connector and ground.

(+)		(—)	Voltage (Approx.)
Seat memory switch
Connector	Terminal
D60	3	Ground	Battery voltage
	4

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace seat memory switch. Refer to Removal and Installation.

CHECK MEMORY INDICATOR SIGNAL CIRCUIT (OPEN)

1. Disconnect seat memory switch connector and driver seat control unit connector.

2. Check continuity between seat memory switch harness connector and driver seat control unit harness connector.

   Seat memory switch		Driver seat control unit		Continuity
   Connector	Terminal	Connector	Terminal
   D60	3	B209	38	Yes
   	4		18

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair the harness or connector.

CHECK MEMORY INDICATOR SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between seat memory switch harness connector and ground.

Seat memory switch		—	Continuity
Connector	Terminal
D60	3	Ground	No
	4

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the harness or connector.