Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

MAIN switch can be turned ON/OFF, but the operation of RESUME/ACCELERATE switch, CANCEL switch, and DISTANCE switch cannot be performed during ICC system operation.

NOTE: Resume is not accepted when the following condition is met.

When the MAIN switch is turned OFF once.

The set distance change is not accepted when any of the following condition is met.

When the DCA system is turned ON.

CHECK EACH SWITCH
1. Start the engine.
2. Check that each switch operates normally on "DATA MONITOR" of "ICC/ADAS" with CONSULT.
  - "RESUME/ACC SW"
  - "CANCEL SW"
  - "DISTANCE SW"
Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 2.
PERFORM ALL OF THE SELF-DIAGNOSIS ITEMS
1. Perform "All DTC Reading".
2. Check if the "U1000" is detected in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?

YES

GO TO 3.

NO

GO TO 4.
CAN COMMUNICATIONS INSPECTION
Check the CAN communication and repair or replace malfunctioning parts. Refer to DTC Description .

Inspection End.
CHECK ICC STEERING SWITCH
Check the ICC steering switch. Refer to Component Inspection .

GO TO 6.
REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to Removal and Installation .

GO TO 6.
CHECK ICC SYSTEM
1. Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to Description for action test.)
2. Check that the ICC system is normal.
Inspection End.