Nissan Pathfinder: Driveline - Symptom Diagnosis

• Heavy Tight-Corner Braking Symptom Occurs
• Vehicle Does Not Enter Awd Mode
• Awd High Temp Is Displayed on Information Display
• Tire Size Incorrect Is Displayed on Information Display
• Noise, Vibration and Harshness (nvh) Troubleshooting

Heavy Tight-Corner Braking Symptom Occurs Nissan Pathfinder Fifth generation

Description

Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully to either side after the engine is started.

NOTE:

Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.

Diagnosis Procedure

PERFORM ECM SELF DIAGNOSTIC RESULT

CONSULT

Select “Self Diagnostic Result” mode of “ENGINE”.

Is any DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

PERFORM SELF DIAGNOSTIC RESULT

CONSULT

Select “Self Diagnostic Result” mode of “ALL MODE AWD/4WD”.

Is any DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 3.

CHECK ELECTRO-HYDRAULIC COUPLING

1. Ignition switch OFF.

2. Set the transaxle to neutral. Release the parking brake.

3. Lift up the Nissan Pathfinder vehicle.

4. Rotate the propeller shaft by hand.

5. Hold rear wheel of right and left lightly.

Does rear wheel rotate?

YES>>

Replace electro-hydraulic coupling for mechanical malfunction (clutch sticking etc.). Refer to Removal and Installation.

NO>>

Check each harness connector pin terminal for disconnection.

Vehicle Does Not Enter Awd Mode Nissan Pathfinder 2025

Diagnosis Procedure

Vehicle does not enter 4-wheel drive mode even though 4WD warning icon/display is not displayed.

CHECK 4WD WARNING ICON/DISPLAY

Perform the trouble diagnosis of the 4WD warning icon/display. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the error-detected parts.

CRUISE TEST

Drive the Nissan Pathfinder vehicle for a period of time.

Does any symptom occur?

YES>>

Replace electro-hydraulic coupling for mechanical malfunction (mechanical engagement of clutch is not possible). Refer to Removal and Installation.

NO>>

Check each harness connector pin terminal for disconnection.

Awd High Temp Is Displayed on Information Display Nissan Pathfinder 5th Gen

Description

While driving, 4WD warning icon/display (4WD High Temp. Stop vehicle) is displayed on information display and it turns OFF after 1 minute.

• This symptom protects drivetrain parts when a heavy load is applied to the electro-hydraulic coupling and multiple disc clutch temperature increases. Also 4WD warning (4WD High Temp. Stop Nissan Pathfinder vehicle) is displayed. This cases is not malfunction. Refer to Protection Function.

• When this symptom occurs, stop Nissan Pathfinder vehicle and allow it to idle for some times. Displays will stop and system will be restored.

Tire Size Incorrect Is Displayed on Information Display Nissan Pathfinder Fifth generation

Diagnosis Procedure

While driving, 4WD warning icon/display (Tire Size Incorrect: See Owner′s Manual) is displayed on information display.

CHECK TIRE

Check the following:

• Tire pressure

• Wear condition

• Front and rear tire size (There is no difference between front and rear tires.)

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts. And then, drive the Nissan Pathfinder vehicle at speed of 12 MPH (20 km/h) or more for 5 seconds or more. Improper size information is initialized accordingly.

CHECK INPUT SIGNAL OF TIRE DIAMETER

CONSULT

1. Start the engine.

2. Drive at 12 MPH (20 km/h) or more for approximately 4 minutes continually.

3. Check “Different diameter tire monitor” of CONSULT “Data Monitor” for “ALL MODE AWD/4WD”.

Does the item on “Data Monitor” indicate “0 - 4 mm”?

YES>>

Inspection End.

NO>>

GO TO 3.

TERMINAL INSPECTION

Check 4WD control unit harness connector for disconnection.

Is the inspection result normal?

YES>>

Electro-hydraulic coupling is malfunctioning, replace electro-hydraulic coupling, refer to Removal and Installation.

NO>>

Repair or replace the error-detected parts.

Noise, Vibration and Harshness (nvh) Troubleshooting Nissan Pathfinder

NVH Troubleshooting Chart

Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.

Possible cause and SUSPECTED PARTS	Symptom		Reference
	Noise	Transfer fluid leakage
Transfer fluid (level low)	1	—	Refer to Inspection
Transfer fluid (wrong)	2	3	Refer to Inspection
Transfer fluid (level too high)	—	1	Refer to Inspection
Liquid gasket (damaged)	—	2	—
O-ring (worn or damaged)	—	2	Refer to Exploded View
Oil seal (worn or damaged)	3	2	Refer to Exploded View
Gear (worn or damaged)	3	—	Refer to Inspection Refer to Inspection
Bearing (worn or damaged)	3	—	Refer to Inspection Refer to Inspection