Symptom 5: Chime Does Not Sound
WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
The chime may not sound occasionally in the following cases even if the distance from the vehicle ahead is short:
- When the speed difference from that of the vehicle ahead is small (both vehicles driving at similar speed).
- When the vehicle ahead drives at faster speed (the actual distance is increasing).
- When depressing the accelerator.
- Chime does not sound when the vehicle is not driving.
- Chime does not sound when the system does not detect any vehicle ahead. Diagnose the conditions under which the system is detecting the vehicle ahead and when the system is malfunctioning. If there is any malfunction in detecting the vehicle ahead. Refer to "SYMPTOM 7: THE ICC SYSTEM FREQUENTLY CANNOT DETECT THE VEHICLE AHEAD/THE DETECTION ZONE IS SHORT ".
- CHECK ICC WARNING CHIME
With CONSULT-II
- With "ACTIVE TEST" on the CONSULT-II, check that ICC warning chime operates normally.
OK or NG
- OK: Determine preceding vehicle detection status when malfunction occurred. If chime should have sounded replace ICC unit. Refer to "ICC UNIT ". Perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.
- NG: GO TO 2.
- CAN COMMUNICATION INSPECTION
With CONSULT-II
- With CONSULT-II self-diagnosis, check "CAN COMM CIRCUIT".
OK or NG
- OK: Refer to "DTC 20 CAN COMM CIRCUIT ".
- NG: Replace combination meter. Refer to "COMBINATION METER ". Erase DTC and perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.