Nissan Rogue (T33) 2021-Present Service Manual: Propilot Assist 1.1 :: Symptom Diagnosis. Propilot Assist

Propilot Assist

Propilot Assist System Symptoms

Symptom Table

System Settings Cannot Be Turned On/off

Diagnosis Procedure

• The ProPILOT Assist 1.1 display does not appear on the vehicle information display when the ProPILOT Assist switch is pressed.

• When the ProPILOT Assist 1.1 display is displayed on the Nissan Ariya vehicle information display, the display does not disappear when the ProPILOT Assist switch is pressed.

ProPILOT ASSIST 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?

Check combination meter self-diagnosis results ans perform diagnosis on the detected DTC. Refer to DTC Index(FULL TFT METER) or DTC Index(7 inch information display models).

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

System Cannot Be Set (propilot Assist Switch Turns On/off)

Diagnosis Procedure

The ProPILOT Assist switch can be turned ON/OFF; however, ProPILOT Assist 1.1 cannot be set by pressing the SET- switch.

NOTE:

The system cannot be set in the following cases.

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 Ariya Vehicle speed”

   • "BRAKE SW"

Is there a malfunctioning item?

Refer to DTC Diagnosis Procedure.

Refer to DTC Description.

Driving Force Is Hunting

Diagnosis Procedure

The vehicle causes hunting when the ProPILOT Assist 1.1 system is active.

PERFORM SELF-DIAGNOSIS OF ECM

1. Perform “All DTC Reading” with CONSULT.

2. Check if the DTC is detected in self-diagnosis results of “ENGINE”. Refer to DTC Index.

Is any DTC detected?

GO TO 4.

GO TO 2.

CHECK DISTANCE SENSOR

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

2. Check the distance sensor for contamination, foreign materials, or cracks.

GO TO 3.

CHECK FRONT CAMERA UNIT

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

2. Check the front camera unit or contamination, foreign materials, or cracks.

INSPECTION END

REPAIR OR REPLACE MALFUNCTIONING PARTS

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

GO TO 5.

CHECK ProPILOT ASSIST 1.1 SYSTEM

1. Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action test. Refer to Work Procedure.

2. Check that the ProPILOT Assist 1.1 system is normal.

INSPECTION END

Frequently Cannot Detect the Vehicle Ahead / Detection Zone Is Short

Diagnosis Procedure

The detection function may become unstable in the following cases.

• When radar reflections from the vehicle ahead is interrupted.

• When driving a road with extremely sharp corners.

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

DISTANCE SENSOR VISUAL CHECK (1)

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

Do foreign matter adhere?

GO TO 3.

GO TO 2.

DISTANCE SENSOR VISUAL CHECK (2)

1. Remove the front grill. Refer to Removal and Installation.

2. Check distance sensor for contamination and foreign matter.

Do foreign matter adhere?

GO TO 3.

GO TO 4.

WIPE OUT DIRT AND FOREIGN MATERIALS (1)

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

GO TO 8.

DISTANCE SENSOR VISUAL CHECK (3)

Check distance sensor for cracks and scratches.

Are there any cracks or scratches?

GO TO 6 .

GO TO 5.

PERFORM RADAR ALIGNMENT

1. Install the front grill. Refer to Removal and Installation.

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

3. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

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

Does it improve?

INSPECTION END

GO TO 6.

REPLACE DISTANCE SENSOR

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

2. Install the front grill. Refer to Removal and Installation.

3. Perform the radar alignment. Refer to Work Procedure.

4. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

5. Check that the Nissan Ariya vehicle ahead detection performance improves.

Does it improve?

INSPECTION END

GO TO 7.

REPLACE ADAS CONTROL UNIT 2

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

GO TO 8.

CHECK ProPILOT ASSIST 1.1 SYSTEM

1. Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action test. Refer to Work Procedure.

2. Check that the ProPILOT Assist 1.1 system is normal.

INSPECTION END

The System Does Not Detect the Vehicle Ahead at All

Diagnosis Procedure

When ProPILOT Assist 1.1 system is active, the ProPILOT Assist 1.1 system does not perform any control even through there is a Nissan Ariya vehicle ahead.

CHECK ProPILOT ASSIST 1.1 SYSTEM DISPLAY ON INFORMATION DISPLAY

1. Start the self-diagnosis mode of combination meter. Refer to On Board Diagnosis Function(FULL TFT METER) or On Board Diagnosis Function(7 inch information display models).

2. Check that the information display turns ON normally.

Is the inspection result normal?

GO TO 2.

Replace the combination meter.

VISUAL CHECK (1)

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

Do foreign materials adhere?

GO TO 4.

GO TO 3.

VISUAL CHECK (2)

1. Remove the front grill. Refer to Removal and Installation.

2. Check distance sensor for contamination and foreign matter.

Do foreign matter adhere?

GO TO 4.

GO TO 5.

WIPE OUT DIRT AND FOREIGN MATERIALS

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

GO TO 9.

VISUAL CHECK (3)

Check distance sensor for cracks and/or scratches.

Are there cracks?

GO TO 7.

GO TO 6.

PERFORM RADAR ALIGNMENT

1. Install the front grill. Refer to Removal and Installation.

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

3. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

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

Does it improve?

INSPECTION END

GO TO 8.

REPLACE DISTANCE SENSOR

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

2. Install the front grill. Refer to Removal and Installation.

3. Perform the radar alignment. Refer to Work Procedure.

4. Perform ProPILOT Assist 1.1 system action test. Refer to Work Procedure.

5. Check that the Nissan Ariya vehicle ahead detection performance improves.

Does it improve?

INSPECTION END

GO TO 8.

REPLACE ADAS CONTROL UNIT 2

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

GO TO 9.

CHECK ProPILOT ASSIST 1.1 SYSTEM

1. Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action test. Refer to Work Procedure.

2. Check that the ProPILOT Assist 1.1 system is normal.

INSPECTION END

The System Operates Even When Using Turn Signal

Diagnosis Procedure

ProPILOT Assist steering assist function operates even when the turn signals are active.

NOTE:

For the operational conditions of steering wheel assistance function. Refer to System Description.

CHECK TURN SIGNAL OPERATION

Check that both right and left turn signals are normal.

Is the inspection result normal?

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

Repair or replace malfunctioning parts. Refer to Symptom Table.

Normal Operating Condition

Symptom Description

PRECAUTIONS FOR ProPILOT ASSIST 1.1

Refer to Precautions for ProPILOT Assist 1.1.