Diagnosis Procedure

Diagnosis Procedure

The ICC MAIN switch can be turned ON/OFF, but the ICC system cannot be set even if the SET- switch is pressed.

The system cannot be set in the following case.

• When own Nissan Sentra 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.

• When the clutch pedal is depressed for approximately 8 seconds.

1. CHECK CAUSE OF AUTOMATIC CANCELLATION

   Check if there is the cancellation cause in the “CAUSE OF AUTO-CANCEL” on “WORK SUPPORT” of “ICC/ADAS 2” with CONSULT.

   Is it displayed?

   Not displayed >>

   GO TO 2.

   “OPE SW VOLT CIRC” >>

   Refer to Diagnosis Procedure.

   “VHCL SPD UNMATCH”>>

   Refer to DTC Description.

   “IGN LOW VOLT”>>

   Refer to DTC Description.

   “ECM CIRCUIT”>>

   Refer to DTC Description.

   “CAN COMM ERROR”>>

   Refer to DTC Index.

   “ICC SENSOR CAN COMM ERR”>>

   Refer to DTC Index.

   “ABS/TCS/VDC CIRC”>>

   Refer to DTC Description.

   “ECD CIRCUIT”>>

   Refer to DTC Description.

2. PERFORM THE SELF-DIAGNOSIS

   1. Perform “All DTC Reading”.

   2. Check if any DTC is detected in “Self Diagnostic Result” of “ICC/ADAS 2”, “LASER/RADAR” or “LANE CAMERA”.

      • LASER/RADAR: Refer to DTC Index.

      • ICC/ADAS 2: Refer to DTC Index.

      • LANE CAMERA: Refer to DTC Index.

   Is any DTC detected?

   YES >>

   GO TO 3.

   NO >>

   GO TO 4.

3. REPAIR OR REPLACE MALFUNCTIONING PARTS

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

   >>

   GO TO 6.

4. CHECK EACH SWITCH AND Nissan Sentra Vehicle SPEED SIGNAL

   1. Start the engine.

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

      • “VHCL SPEED SE”

      • “D RANGE SW”

      • “SET/COAST SW”

      • “BRAKE SW”

      • “PKB SW”

   Is there a malfunctioning item?

   All items are normal>>

   GO TO 5.

   “VHCL SPEED SE”>>

   Refer to DTC Description.

   “D RANGE SW”>>

   Refer to DTC Description.

   “SET/COAST SW”>>

   Refer to Diagnosis Procedure.

   “BRAKE SW”>>

   Refer to DTC Description.

   “PKB SW”>>

   Refer to Component Function Check.

5. REPLACE ADAS CONTROL UNIT 2

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

   >>

   GO TO 6.

6. CHECK ICC 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 ICC system is normal.

   >>

   INSPECTION END