Nissan Pathfinder: Cruise Control System - Symptom Diagnosis

• Intelligent Cruise Control System Symptoms
• System Settings Cannot Be Turned On/off
• System Cannot Be Set (main Switch Turns On/off)
• Driving Force Is Hunting
• Frequently Cannot Detect the Vehicle Ahead / Detection Zone Is Short
• The System Does Not Detect the Vehicle Ahead at All
• Normal Operating Condition

Intelligent Cruise Control System Symptoms Nissan Pathfinder 2025

Symptom Table

Symptoms		Inspection item/Reference page
Operation	System setting cannot be turned ON/OFF	Refer to Diagnosis Procedure
	System cannot be set (MAIN switch turns ON/OFF)	Refer to Diagnosis Procedure
	CANCEL switch does not function	ECM Refer to DTC Index
	Resume does not function
	Set speed does not increase
	Set distance to a Nissan Pathfinder vehicle ahead cannot be changed
	System does not cancel when selector lever sets ON "N"	TCM Refer to DTC Index
Chime	Chime does not sound	Combination meter Refer to Diagnosis Procedure
Control	Driving force is hunting	Refer to Diagnosis Procedure
Function to detect a Nissan Pathfinder vehicle ahead	System frequently cannot detect a vehicle ahead	Refer to Diagnosis Procedure
	Distance to detect a Nissan Pathfinder vehicle ahead is short
	System misidentifies a vehicle even though there is no Nissan Pathfinder vehicle ahead	Perform radar alignment: Work Procedure camera aiming adjustment: Work Procedure Perform ICC system action test: Description.
	System misidentifies a Nissan Pathfinder vehicle in the next lane
	The system does not detect the vehicle ahead at all	Refer to Diagnosis Procedure
Operation	Turn signal operates even using turn signal	Refer to Diagnosis Procedure

System Settings Cannot Be Turned On/off Nissan Pathfinder

Diagnosis Procedure

• The ICC display does not appear on the vehicle information display when the MAIN switch is pressed.

• When the ICC display is displayed on the Nissan Pathfinder vehicle information display, the display does not disappear when the MAIN switch is pressed.

MAIN SWITCH INSPECTION

1. Start the engine.

2. Check that “MAIN SW” operate normally in “DATA MONITOR” of “ICC/ADAS 2” with CONSULT.

Is the inspection result normal?

YES>>

Check combination meter self-diagnosis results ans perform diagnosis on the detected DTC. Refer to DTC Index.

NO>>

Check ECM self-diagnosis results ans perform diagnosis on the detected DTC. Refer to DTC Index.

System Cannot Be Set (main Switch Turns On/off) Nissan Pathfinder 2022

Diagnosis Procedure

The MAIN switch can be turned ON/OFF; however, ICC system cannot be set by pressing the SET- switch.

NOTE:

The system cannot be set in the following cases.

• When own Nissan Pathfinder vehicle is travelling below the speed of 30 km/h (20 MPH).

• When the parking brake is applied.

• When the VDC system is turned off.

• When the VDC (including the TCS) operates.

• When distance measurement becomes impaired due to adhesion of dirt or obstruction to the distance sensor.

• When a wheel slips.

• When the distance sensor signal is temporarily interrupted.

CHECK EACH SWITCH AND VEHICLE SPEED SIGNAL

1. Start the engine.

2. Check that the following items operate normally in “DATA MONITOR” of “ICC/ADAS 2”.

   • “Nissan Pathfinder Vehicle speed”

   • "BRAKE SW"

Is there a malfunctioning item?

“Nissan Pathfinder Vehicle speed”>>

Refer to DTC Diagnosis Procedure.

“BRAKE SW”>>

Refer to DTC Diagnosis Procedure.

Driving Force Is Hunting Nissan Pathfinder 2022

Diagnosis Procedure

The vehicle causes hunting when the ICC system is active.

PERFORM SELF DIAGNOSTIC RESULT OF ECM

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

2. Check if DTC is detected in “Self Diagnostic Result” of “ENGINE”. Refer to DTC Index.

Is any DTC detected?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK DISTANCE SENSOR

1. Check the Nissan Pathfinder vehicle driving conditions. Refer to Diagnosis Procedure

2. Check the distance sensor for contamination, foreign materials, or cracks. Refer to Diagnosis Procedure

>>

Inspection End.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts identified by the self-diagnosis result.

>>

GO TO 4.

CHECK ICC SYSTEM

1. Erase the “Self Diagnostic Result”, and then select “Self Diagnostic Result” again after performing the action test. (Refer to Description for action test.)

2. Check that the ICC system is normal.

>>

Inspection End.

Frequently Cannot Detect the Vehicle Ahead / Detection Zone Is Short Nissan Pathfinder SUV

Diagnosis Procedure

The detection function may become unstable in the following cases.

• When radar reflections from the vehicle ahead are interrupted.

• When driving on a road with extremely sharp corners.

• When the sensor cannot detect a Nissan Pathfinder vehicle ahead while the vehicle ahead passes a hill or valley.

VISUAL CHECK (1)

Check the contamination and foreign matter on the distance sensor area.

Is foreign matter adhered?

YES>>

GO TO 3.

NO>>

GO TO 2.

VISUAL CHECK (2)

Check distance sensor for contamination and foreign matter.

Is foreign matter adhered?

YES>>

GO TO 3.

NO>>

GO TO 4.

WIPE OUT DIRT AND FOREIGN MATERIALS

Wipe out the contamination and foreign matter in the area around the distance sensor.

>>

GO TO 8.

VISUAL CHECK (3)

Check distance sensor for cracks and scratches.

Are there any cracks or scratches?

YES>>

GO TO 6.

NO>>

GO TO 5.

ADJUST RADAR ALIGNMENT

1. Adjust the radar alignment. Refer to Work Procedure.

2. Perform ICC system action test. Refer to Description.

3. Check that the Nissan Pathfinder vehicle ahead detection performance improves.

Does it improve?

YES>>

Inspection End.

NO>>

GO TO 6.

REPLACE DISTANCE SENSOR

1. Replace the distance sensor. Refer to Removal and Installation.

2. Adjust the radar alignment. Refer to Work Procedure.

3. Perform ICC system action test. Refer to Description.

4. Check that the Nissan Pathfinder vehicle ahead detection performance improves.

Does it improve?

YES>>

Inspection End.

NO>>

GO TO 7.

REPLACE ADAS CONTROL UNIT 2

Replace ADAS control unit 2. Refer to Removal and Installation.

>>

GO TO 8.

CHECK ICC SYSTEM

1. Erase the “Self Diagnostic Result”, and then perform “Self Diagnostic Result” again after performing the action test. (Refer to Description for action test.)

2. Check that the ICC system is normal.

>>

Inspection End.

The System Does Not Detect the Vehicle Ahead at All Nissan Pathfinder R53

Diagnosis Procedure

When ICC system is active, the ICC system does not perform any control even though there is a vehicle ahead.

CHECK ICC SYSTEM DISPLAY ON INFORMATION DISPLAY

1. Select “Self Diagnostic Result” of “METER”. Refer to CONSULT Function.

2. Check that the information display turns ON normally.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace the combination meter.

VISUAL CHECK (1)

Check the contamination and foreign matter on the distance sensor area of the front bumper.

Is foreign matter adhered?

YES>>

GO TO 4.

NO>>

GO TO 3.

VISUAL CHECK (2)

Check distance sensor for contamination and foreign matter.

Is foreign matter adhered?

YES>>

GO TO 4.

NO>>

GO TO 5.

WIPE OUT DIRT AND FOREIGN MATTER

Wipe out the contamination and foreign matter in the area around the distance sensor.

>>

GO TO 10.

VISUAL CHECK (3)

Check distance sensor for cracks and/or scratches.

Are there cracks or scratches?

YES>>

GO TO 7.

NO>>

GO TO 6.

RADAR ALIGNMENT ADJUSTMENT

1. Adjust the radar alignment. Refer to Work Procedure.

2. Perform ICC system action test. Refer to Description.

3. Check that the Nissan Pathfinder vehicle ahead detection performance improves.

Does it improve?

YES>>

Inspection End.

NO>>

GO TO 7.

REPLACE DISTANCE SENSOR

1. Replace the distance sensor. Refer to Removal and Installation.

2. Adjust the radar alignment. Refer to Work Procedure.

3. Perform ICC system action test. Refer to Description.

4. Check that the Nissan Pathfinder vehicle ahead detection performance improves.

Does it improve?

YES>>

Inspection End.

NO>>

GO TO 8.

REPLACE ADAS CONTROL UNIT 2

Replace ADAS control unit 2. Refer to Removal and Installation.

>>

GO TO 9.

CHECK ICC SYSTEM

1. Erase the “Self Diagnostic Result”, and then perform “Self Diagnostic Result” again after performing the action test. (Refer to Description for action test.)

2. Check that the ICC system is normal.

>>

Inspection End.

Normal Operating Condition Nissan Pathfinder 2022

Description

Refer to Description.