Symptom 7: The ICC System Frequently Cannot Detect the Vehicle Ahead/The Detection Zone is Short

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 detection function may become unstable in the following cases:

When the reflector of the vehicle ahead is small or not clean enough to reflect the laser.
When driving a road with extremely sharp corners.
When the laser cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or passing the peak.

VISUAL CHECK
1. Check ICC sensor body window for contamination and foreign materials.
OK or NG
- OK: If any contamination or foreign materials are found, remove them. Then perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ".
- NG: GO TO 2.
CHECK FUNCTION
1. After performing laser beam aiming adjustment, perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Check that preceding vehicle detection performance has been improved.
OK or NG
- OK: Inspection End.
- NG:
  - Replace ICC sensor and perform laser beam aiming adjustment. Refer to "ICC SENSOR ".
  - Perform ICC system running test. Refer to "ICC SYSTEM RUNNING TEST ". Then perform self-diagnosis of ICC system again.