Nissan Pathfinder: Dtc/circuit Diagnosis (P06b1-00 Sensor Power Supply a (tcm) ... P0742-00 Torque Converter)

• P06b1-00 Sensor Power Supply a (tcm)
• P06b1-00 Sensor Power Supply a (electric Shift)
• P0702-00 Transmission Control System
• P0710-00 Transmission Fluid Temperature Sensor a
• P0711-00 Transmission Fluid Temperature Sensor a
• P0715-00 Input Speed Sensor a
• P0729-00 6gr Incorrect Ratio
• P072f-00 Stuck in Gear 4
• P073e-00 Unable to Engage Neutral
• P0742-00 Torque Converter

P06b1-00 Sensor Power Supply a (tcm) Nissan Pathfinder 2022

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P06B1	00	SENSOR POWER SUPPLY A (Sensor Power Supply "A" Circuit Low)	Diagnosis condition	Ignition is switched on
			Signal	—
			Threshold	The signal voltage deviates from the specified value.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• Harness or connector (Sensor power supply circuit is open or shorted.)

• TCM

FAIL-SAFE

• Unable driving

• Manual mode is prohibited

• Stop/start system is prohibited (if equipped)

• Neutral hold mode is prohibited (if equipped)

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Ignition switch ON and wait for at least 5 seconds.

2. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK BATTERY CONDITION

Check the battery condition. Refer to Diagnostic Work Sheet.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Charge or replace the battery.

INSPECT WIRING HARNESS

Inspect wiring harness for any damage.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace wiring harness.

INSPECT CONNECTOR TERMINAL

1. Ignition switch OFF.

2. Disconnect TCM harness connector and A/T unit harness connector.

3. Inspect TCM connector and A/T unit connector for signs of water ingress, and pins for damage and/or corrosion.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace damaged parts.

CHECK SENSOR POWER SUPPLY CIRCUIT (PART 1)

Check continuity between TCM harness connector terminal and A/T unit harness connector terminal.

TCM		A/T unit		Continuity
Connector	Terminal	Connector	Terminal
F15	12	F46	24	Existed

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness connector.

CHECK SENSOR POWER SUPPLY CIRCUIT (PART 2)

Check continuity between TCM harness connector terminal and ground.

TCM		—	Continuity
Connector	Terminal
F15	12	Ground	Not existed

Is the inspection result normal?

YES>>

Replace TCM. Refer to Removal and Installation.

NO>>

Repair or replace harness connector.

P06b1-00 Sensor Power Supply a (electric Shift) Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P06B1*	00	SENSOR POWER SUPPLY A (Sensor Power Supply "A" Circuit Low)	1	Diagnosis condition	When the Ignition switch is ON
				Signal (terminal)	Electric shift sensor signal
				Threshold	Electric shift sensors No. 1, 3, 5 and 7 are stuck at OFF.
				Diagnosis delay time	1.2 seconds
			2	Diagnosis condition	When the Ignition switch is ON
				Signal (terminal)	Electric shift sensor signal
				Threshold	Electric shift sensors No. 2, 4, 6 and 8 are stuck at OFF.
				Diagnosis delay time	1.2 seconds
			3	Diagnosis condition	When the Ignition switch is ON
				Signal (terminal)	Electric shift sensor signal
				Threshold	Output voltage of electric shift sensor power supply 1 and 2 are 6 V or more, or 4 V or less.
				Diagnosis delay time	1.2 seconds

*: This code is displayed as P0914 on GST.

Shift position judgement table

Select lever position	Electric shift sensor
	No. 1	No. 2	No. 3	No. 4	No. 5	No. 6	No. 7	No. 8
R	ON	ON	OFF	OFF	OFF	OFF	OFF	OFF
Nr	ON	ON	ON	ON	ON	OFF	OFF	OFF
H	ON	ON	ON	ON	ON	ON	ON	ON
Nd	OFF	OFF	OFF	ON	ON	ON	ON	ON
D/M	OFF	OFF	OFF	OFF	OFF	OFF	ON	ON

POSSIBLE CAUSE

• Harness or connectors (Electric shift sensor circuits are open or shorted.)

• Electric shift sensor

• Electric shift control module

FAIL-SAFE

No impact to vehicle behavior

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 60 seconds before conducting the next test.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Ignition switch ON.

2. Select “Data Monitor” in “SHIFT”.

3. Select “Shift position judgment”.

4. Shift the selector lever as follows. (Hold the selector lever at each position for 2 seconds or more.)

   H → Nr → R → Nd → D/M → H

5. Repeat step 4 five times.

6. Check DTC.

Is DTC detected?

YES>>

Go to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK ELECTRIC SHIFT SENSOR INPUT SIGNAL

With CONSULT

1. Ignition switch ON.

2. Select “Data Monitor” in “SHIFT”.

3. Select “Shift sensor 1”, “Shift sensor 2”, “Shift sensor 3”, “Shift sensor 4”, “Shift sensor 5”, “Shift sensor 6”, “Shift sensor 7”, and “Shift sensor 8”.

4. Operate the selector lever to identify a electric shift sensor of which value does not change.

   Monitor item	Condition	Value / Status
   Shift sensor 1	Selector lever is held in H (Home), R, and Nr positions	On
   	Other than the above	Off
   Shift sensor 2	Selector lever is held in H (Home), R, and Nr positions	On
   	Other than the above	Off
   Shift sensor 3	Selector lever is held in H (Home) and Nr positions	On
   	Other than the above	Off
   Shift sensor 4	Selector lever is held in H (Home), Nr, and Nd positions	On
   	Other than the above	Off
   Shift sensor 5	Selector lever is held in H (Home), Nr, and Nd positions	On
   	Other than the above	Off
   Shift sensor 6	Selector lever is held in H (Home) and Nd positions	On
   	Other than the above	Off
   Shift sensor 7	Selector lever is held in H (Home), D/M, and Nd positions	On
   	Other than the above	Off
   Shift sensor 8	Selector lever is held in H (Home), D/M, and Nd positions	On
   	Other than the above	Off

Without CONSULT

1. Ignition switch ON.

2. Operate the selector lever.

3. Check the voltage between the electric shift control module harness connector terminal and ground.

   Electric shift sensor	+		-	Condition	Voltage (Approx.)
   	Electric shift control module
   	Connector	Terminal
   1	M36	23	Ground	Selector lever is held in H (Home), R, and Nr positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   2		26		Selector lever is held in H (Home), R, and Nr positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   3		8		Selector lever is held in H (Home) and Nr positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   4		11		Selector lever is held inH (Home), Nr, and Nd positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   5		24		Selector lever is held in H (Home), Nr, and Nd positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   6		27		Selector lever is held in H (Home) and Nd positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   7		9		Selector lever is held in H (Home), D/M, and Nd positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V
   8		12		Selector lever is held in H (Home), D/M, and Nd positions	1.15 - 2.05 V
   				Other than the above	2.75 - 3.15 V

>>

GO TO 2.

CHECK ELECTRIC SHIFT SELECTOR POWER SUPPLY CIRCUIT

1. Ignition switch OFF.

2. Disconnect the electric shift selector harness connector.

3. Ignition switch ON.

4. Check the power circuit of the malfunctioning electric shift sensor identified at Step 1.

5. Check the voltage between electric shift selector harness connector terminal and ground.

   Electric shift sensor	+		-	Voltage (Approx.)
   	Electric shift selector
   	Connector	Terminal
   1, 3, 5, 7	M208	1	Ground	5 V
   2, 4, 6, 8		13

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK HARNESS BETWEEN ELECTRIC SHIFT CONTROL MODULE AND ELECTRIC SHIFT SELECTOR

1. Ignition switch OFF.

2. Disconnect the electric shift control module harness connector.

3. Check the continuity between the electric shift control module harness connector terminal and the electric shift selector harness connector terminal.

   Electric shift sensor	Electric shift control module		Electric shift selector		Continuity
   	Connector	Terminal	Connector	Terminal
   1, 3, 5, 7	M36	25	M208	1	Existed
   2, 4, 6, 8		10		13

4. Check the continuity between the electric shift control module harness connector terminal and ground.

   Electric shift sensor	Electric shift control module		—	Continuity
   	Connector	Terminal
   1, 3, 5, 7	M36	25	Ground	Not existed
   2, 4, 6, 8		10

Is the inspection result normal?

YES>>

Replace the electric shift control module. Refer to Removal and Installation.

NO>>

Repair or replace damaged parts.

CHECK ELECTRIC SHIFT SELECTOR GROUND CIRCUIT

1. Ignition switch OFF.

2. Disconnect the electric shift control module harness connector.

3. Check the continuity between the electric shift control module harness connector terminal and the electric shift selector harness connector terminal.

   Electric shift sensor	Electric shift control module		Electric shift selector		Continuity
   	Connector	Terminal	Connector	Terminal
   1, 3, 5, 7	M36	28	M208	12	Existed
   2, 4, 6, 8		13		24

4. Check the continuity between the electric shift control module harness connector terminal and ground.

   Electric shift sensor	Electric shift control module		—	Continuity
   	Connector	Terminal
   1, 3, 5, 7	M36	28	Ground	Not existed
   2, 4, 6, 8		13

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace damaged parts.

CHECK HARNESS BETWEEN ELECTRIC SHIFT CONTROL MODULE AND ELECTRIC SHIFT SELECTOR

1. Check the continuity between the electric shift control module harness connector terminal and the electric shift selector harness connector terminal.

   Electric shift sensor	Electric shift control module		Electric shift selector		Continuity
   	Connector	Terminal	Connector	Terminal
   1	M36	23	M208	2	Existed
   2		26		14
   3		8		3
   4		11		15
   5		24		4
   6		27		16
   7		9		5
   8		12		17

2. Check the continuity between the electric shift control module harness connector terminals and ground.

   Electric shift sensor	Electric shift control module		—	Continuity
   	Connector	Terminal
   1	M36	23	Ground	Not existed
   2		26
   3		8
   4		11
   5		24
   6		27
   7		9
   8		12

Is the inspection result normal?

YES>>

Replace the electric shift selector. Refer to Removal and Installation.

NO>>

Repair or replace damaged parts.

P0702-00 Transmission Control System Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0702	00	CONTROL SYSTEM ELECTRICAL (Transmission Control System Electrical)	1	Diagnosis condition	Ignition is switched on
				Signal	—
				Threshold	When a reset code for low level software or under voltage condition has been stored in the non volatile RAM
				Diagnosis delay time	2 seconds or more
			2	Diagnosis condition	While driving
				Signal	—
				Threshold	When a TCM reset occurs during an under voltage condition
				Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

TCM

FAIL-SAFE

Not changed from normal driving

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine.

2. Drive the Nissan Pathfinder vehicle at 40 km/h (25 MPH) and maintain vehicle speed for 10 seconds or more.

3. Stop the vehicle.

4. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

REPLACE TCM

Replace TCM. Refer to Removal and Installation.

>>

WORK END

P0710-00 Transmission Fluid Temperature Sensor a Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0710	00	FLUID TEMP SENSOR A (Transmission Fluid Temperature Sensor "A" Circuit)	1	Diagnosis condition	Engine running
				Signal	A/T fluid temperature sensor signal
				Threshold	A/T fluid temperature is less than the specified temperature.
				Diagnosis delay time	65 seconds or more
			2	Diagnosis condition	Engine running
				Signal	A/T fluid temperature sensor signal
				Threshold	A/T fluid temperature is more than the specified temperature.
				Diagnosis delay time	65 seconds or more

POSSIBLE CAUSE

• Harness or connector (A/T fluid temperature sensor circuit)

• Sensor unit (A/T fluid temperature sensor and internal harness)

• TCM

FAIL-SAFE

Not changed from normal driving

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine and wait for at least 70 seconds.

2. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

INSPECT CONNECTOR TERMINAL

1. Ignition switch OFF.

2. Disconnect TCM harness connector and A/T unit harness connector.

3. Inspect TCM connector and A/T unit connector for signs of water ingress, and pins for damage and/or corrosion.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace damaged parts.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 1)

Check continuity between TCM harness connector terminal and A/T unit harness connector terminal.

TCM		A/T unit		Continuity
Connector	Terminal	Connector	Terminal
F15	17	F46	26	Existed
	30		25

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 2)

Check continuity between TCM harness connector terminal and ground.

TCM		—	Continuity
Connector	Terminal
F15	17	Ground	Not existed
	30

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 3)

1. Ignition switch ON.

2. Check voltage between TCM harness connector terminal and ground.

   +		-	Voltage
   TCM
   Connector	Terminal
   F15	17	Ground	0 V
   	30

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR

Check the resistance between A/T unit connector terminals.

A/T unit		Condition	Resistance (Approx.)
Terminal
25	26	A/T fluid temperature: 25°C (77°F)	2 kΩ

Is the inspection result normal?

YES>>

Replace TCM. Refer to Removal and Installation.

NO>>

Replace sensor unit. Refer to Removal and Installation.

P0711-00 Transmission Fluid Temperature Sensor a Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0711	00	FLUID TEMP SENSOR A (Transmission Fluid Temperature Sensor "A" Circuit Range/Performance)	1	Diagnosis condition	While driving
				Signal	A/T fluid temperature sensor signal
				Threshold	The DTC is detected if any of the following conditions is met: The absolute value of the difference between the oil temperature sensor signal measured by the TCM and the calculated oil temperature is more than the specified value for a calibrated amount of time. The A/T fluid temperature sensor signal is less than the specified value after having first reached another higher calibrated threshold in the same driving cycle. The absolute value of the difference between the current transmission oil temperature and a previous oil temperature stored a calibrated time before is less than the specified value.
				Diagnosis delay time	305 seconds or more
			2	Diagnosis condition	Engine running
				Signal	A/T fluid temperature sensor signal
				Threshold	The absolute value of the difference between two consecutive data samples of the measured oil temperature sensor signal is more than the specified value.
				Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• A/T fluid level

• Harness or connector (A/T fluid temperature sensor circuit)

• Sensor unit (A/T fluid temperature sensor and internal harness)

• TCM

FAIL-SAFE

• Shifting is locked

  • While driving: Keeps the gear position when an abnormality is detected

  • When the Nissan Pathfinder vehicle is stopped: Locks in 4th gear position

• Manual mode is prohibited

• Stop/start system is prohibited (if equipped)

DTC Confirmation Procedure

PREPARATION BEFORE WORK (PART 1)

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PREPARATION BEFORE WORK (PART 2)

1. Move the Nissan Pathfinder vehicle to a cool place.

   NOTE:

   Cool the vehicle in an environment of ambient air temperature 10°C (50°F) or less.

2. Ignition switch OFF and leave the Nissan Pathfinder vehicle for 12 hours.

>>

GO TO 3.

PERFORM DTC DETECTION

1. Start the engine.

2. Drive the Nissan Pathfinder vehicle and maintain the following conditions for 7 minutes or more.

   Engine speed : 430 rpm or more

   Output speed : 250 rpm or more

3. Stop the Nissan Pathfinder vehicle.

4. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK A/T FLUID

Check A/T fluid level and condition. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

1. If A/T fluid is leaking, repair damaged part. Refer to Inspection.

2. Refill or replace A/T fluid. Refer to Adjustment or Replacement.

INSPECT CONNECTOR TERMINAL

1. Ignition switch OFF.

2. Disconnect TCM harness connector and A/T unit harness connector.

3. Inspect TCM connector and A/T unit connector for signs of water ingress, and pins for damage and/or corrosion.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace damaged parts.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 1)

Check continuity between TCM harness connector terminal and A/T unit harness connector terminal.

TCM		A/T unit		Continuity
Connector	Terminal	Connector	Terminal
F15	17	F46	26	Existed
	30		25

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 2)

Check continuity between TCM harness connector terminal and ground.

TCM		—	Continuity
Connector	Terminal
F15	17	Ground	Not existed
	30

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR CIRCUIT (PART 3)

1. Ignition switch ON.

2. Check voltage between TCM harness connector terminal and ground.

   +		-	Voltage
   TCM
   Connector	Terminal
   F15	17	Ground	0 V
   	30

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace harness connector.

CHECK A/T FLUID TEMPERATURE SENSOR

Check the resistance between A/T unit connector terminals.

A/T unit		Condition	Resistance (Approx.)
Terminal
25	26	A/T fluid temperature: 25°C (77°F)	2 kΩ

Is the inspection result normal?

YES>>

Replace TCM. Refer to Removal and Installation.

NO>>

Replace sensor unit. Refer to Removal and Installation.

P0715-00 Input Speed Sensor a Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0715	00	INPUT SPEED SENSOR A (Input/Turbine Shaft Speed Sensor "A" Circuit)	1	Diagnosis condition	While driving Transmission is in fixed gear
				Signal	Dual speed sensor (Input speed) signal
				Threshold	If the difference between input speed and output speed converted to input level is more than the specified speed and if the difference between input speed and wheel speed converted to input level is more than the specified speed
				Diagnosis delay time	2 seconds or more
			2	Diagnosis condition	While driving
				Signal	Dual speed sensor (Input speed) signal
				Threshold	Transmission input speed is less than the specified speed.
				Diagnosis delay time	2 seconds or more
			3	Diagnosis condition	Engine speed < 100 rpm Shift position: P
				Signal	Dual speed sensor (Input speed) signal
				Threshold	Transmission input speed is more than the specified speed.
				Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• Transaxle mounting

• Drive shaft

• Harness or connector [Dual speed sensor (input speed) circuit]

• Sensor unit (Dual speed sensor and internal harness)

• Wheel speed signal

• TCM

FAIL-SAFE

• Shifting is locked

  • While driving: Keeps the gear position when an abnormality is detected

  • When the Nissan Pathfinder vehicle is stopped: Locks in 4th gear position

• Manual mode is prohibited

• Stop/start system is prohibited (if equipped)

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine.

2. Drive the Nissan Pathfinder vehicle at 40 km/h (25 MPH) for at least 5 seconds.

3. Stop the vehicle.

4. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

NO-1 >> To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK DTC (ABS)

With CONSULT

1. Ignition switch ON.

2. Perform “Self Diagnostic Results” in “ABS”.

Is any DTC detected?

YES>>

Check DTC detected item. Refer to DTC Index.

NO>>

INSPECTION END

CHECK DRIVELINE

Check the driveline for damaged.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace damaged part.

CHECK ENGINE MOUNT AND TRANSAXLE MOUNT

Check the engine mounts and the transaxle mounts damage.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace damaged part.

INSPECT CONNECTOR TERMINAL

1. Ignition switch OFF.

2. Disconnect TCM harness connector and A/T unit harness connector.

3. Inspect TCM connector and A/T unit connector for signs of water ingress, and pins for damage and/or corrosion.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace damaged parts.

CHECK DUAL SPEED SENSOR (INPUT SPEED) CIRCUIT (PART 1)

Check continuity between TCM harness connector terminal and A/T unit harness connector terminal.

TCM		A/T unit		Continuity
Connector	Terminal	Connector	Terminal
F15	31	F46	23	Existed

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace harness connector.

CHECK DUAL SPEED SENSOR (INPUT SPEED) CIRCUIT (PART 2)

Check continuity between TCM harness connector terminal and ground.

TCM		—	Continuity
Connector	Terminal
F15	31	Ground	Not existed

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace harness connector.

CHECK DUAL SPEED SENSOR (INPUT SPEED) CIRCUIT (PART 3)

1. Ignition switch ON.

2. Check voltage between TCM harness connector terminal and ground.

   +		-	Voltage
   TCM
   Connector	Terminal
   F15	31	Ground	0 V

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace harness connector.

REPLACE SENSOR UNIT

1. Ignition switch OFF.

2. Replace sensor unit. Refer to Removal and Installation.

>>

GO TO 9.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

Replace TCM. Refer to Removal and Installation.

NO>>

INSPECTION END

P0729-00 6gr Incorrect Ratio Nissan Pathfinder R53

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0729	00	6GR INCORRECT RATIO (Gear 6 Incorrect Ratio)	Diagnosis condition	While driving Shift position: D Transmission gear: 6th
			Signal	—
			Threshold	MThe DTC is detected if any of the following conditions is met: Malfunction symptom counter of the brake C is more than the specified number of times. Malfunction symptom counter of the clutch E is more than the specified number of times. Malfunction symptom counter of the brake C and clutch E is more than the specified number of times.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• A/T fluid level

• Transaxle assembly

FAIL-SAFE

• Gear is locked in 5th gear

• Manual mode is prohibited

• Stop/start system is prohibited (if equipped)

DTC Confirmation Procedure

CAUTION:

Always drive vehicle at a safe speed.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

With CONSULT

1. Start the engine.

2. Select "Data Monitor" in "TRANSMISSION".

3. Drive the Nissan Pathfinder vehicle for at least 10 seconds under the following conditions.

   Shift position: D

   Transmission gear: 6th

4. Stop the Nissan Pathfinder vehicle.

5. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK A/T FLUID

Check A/T fluid level and condition. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

1. If A/T fluid is leaking, repair damaged part. Refer to Inspection.

2. Refill or replace A/T fluid. Refer to Adjustment or Replacement.

CHECK DRIVELINE (PART 1)

Check the driveline for debris around rotating components.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace damaged part.

CHECK DRIVELINE (PART 2)

Check the driveline for excessive wear or backlash.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace damaged part.

CHECK WHEEL AND TIRE

Check the wheels and tires for snow or mud packing and correct balance.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace damaged part.

CHECK ENGINE MOUNT AND TRANSAXLE MOUNT

Check the engine mounts and the transaxle mounts damage.

Is the inspection result normal?

YES>>

Replace transaxle assembly. Refer to Removal and Installation.

NO>>

Repair or replace damaged part.

P072f-00 Stuck in Gear 4 Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P072F	00	STUCK IN GEAR 4 (Stuck in Gear 4)	Diagnosis condition	While driving Shift position: D
			Signal	—
			Threshold	If the timer to close clutch E is more than the specified value and the measured input speed is within a calibratable range of the output speed multiplied by the gear ratio of the fourth gear for a calibratable amount of time.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• A/T fluid level

• Transaxle assembly

FAIL-SAFE

• Drive in 4th gear

• Engine torque is limited

• Manual mode is prohibited

• Stop/start system is prohibited (if equipped)

DTC Confirmation Procedure

CAUTION:

Always drive vehicle at a safe speed.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine.

2. Drive the Nissan Pathfinder vehicle for a few minutes under the following conditions.

   Shift position: D position

3. Stop the Nissan Pathfinder vehicle.

4. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK A/T FLUID

Check A/T fluid level and condition. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

1. If A/T fluid is leaking, repair damaged part. Refer to Inspection.

2. Refill or replace A/T fluid. Refer to Adjustment or Replacement.

REPLACE TRANSAXLE ASSEMBLY

Replace transaxle assembly. Refer to Removal and Installation.

Is the inspection result normal?

>>

WORK END

P073e-00 Unable to Engage Neutral Nissan Pathfinder 2022

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P073E	00	UNABLE TO ENGAGE REVERSE (Unable to Engage Reverse)	Diagnosis condition	While driving Shift position: R
			Signal	—
			Threshold	Malfunction symptom counter of the clutch A is more than the specified number of times.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• A/T fluid level

• Transaxle assembly

FAIL-SAFE

• Shifting is limited (Shifting between the gears of 1 - 2 - 3 - 4 - 5 - 6 - 7 can be performed)

• Stop/start system is prohibited (if equipped)

DTC Confirmation Procedure

CAUTION:

Always drive vehicle at a safe speed.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine.

2. Depress the brake pedal.

3. Shift to the R position and wait for at least 5 seconds.

4. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK A/T FLUID

Check A/T fluid level and condition. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

1. If A/T fluid is leaking, repair damaged part. Refer to Inspection.

2. Refill or replace A/T fluid. Refer to Adjustment or Replacement.

REPLACE TRANSAXLE ASSEMBLY

Replace transaxle assembly. Refer to Removal and Installation.

>>

WORK END

P0742-00 Torque Converter Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0742	00	TORQUE CONVERTER (Torque Converter Clutch Circuit Stuck On)	Diagnosis condition	Engine running Shift position: D or R
			Signal	—
			Threshold	The DTC is detected if the following conditions are met: The torque converter clutch slip speed is less than the specified speed. The engine speed is less than the specified speed.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• A/T fluid level

• Torque converter clutch pressure regulator

• Harness or connector (Torque converter clutch pressure regulator circuit is open or shorted.)

• Torque converter

• Transaxle assembly

FAIL-SAFE

Not changed from normal driving

DTC Confirmation Procedure

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 15 seconds, then perform the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 9 V.

>>

GO TO 2.

PERFORM DTC DETECTION

1. Start the engine.

2. Depress the brake pedal.

3. Shift the selector lever to D position and wait for at least 5 seconds. (Shift position: P → D)

4. Press the P position switch.

5. Check DTC.

Is DTC detected?

YES>>

Proceed to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK A/T FLUID

Check A/T fluid level and condition. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

1. If A/T fluid is leaking, repair damaged part. Refer to Inspection.

2. Refill or replace A/T fluid. Refer to Adjustment or Replacement.

INSPECT CONNECTOR TERMINAL

1. Ignition switch OFF.

2. Disconnect TCM harness connector and A/T unit harness connector.

3. Inspect TCM connector and A/T unit connector for signs of water ingress, and pins for damage and/or corrosion.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace damaged parts.

CHECK TORQUE CONVERTER CLUTCH PRESSURE REGULATOR CIRCUIT FOR SHORT TO GROUND (PART 1)

Check continuity between A/T unit connector terminal and ground.

A/T unit	—	Continuity
Terminal
10	Ground	Not existed

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace sensor unit. Refer to Removal and Installation.

CHECK TORQUE CONVERTER CLUTCH PRESSURE REGULATOR CIRCUIT FOR SHORT TO GROUND (PART 2)

Check continuity between TCM harness connector terminal and ground.

TCM		—	Continuity
Connector	Terminal
F15	39	Ground	Not existed

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness connector.

CHECK TORQUE CONVERTER CLUTCH PRESSURE REGULATOR

Check resistance between A/T unit connector terminals.

A/T unit		Resistance (Approx.)
Terminal
1	10	4.5 - 6 Ω

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Replace sensor unit and control valve. Refer to Removal and Installation.

REPLACE TORQUE CONVERTER

1. Replace torque converter. Refer to Disassembly.

2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 7.

NO>>

INSPECTION END

REPLACE CONTROL VALVE

1. Replace control valve. Refer to Removal and Installation.

2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 8GO TO 8.

NO>>

INSPECTION END

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

Replace transaxle assembly. Refer to Removal and Installation.

NO>>

INSPECTION END