U1687

DTC Logic


DTC DETECTION LOGIC








Diagnosis Procedure


1. PERFORM THE SELF-DIAGNOSIS

1.Delete the "self-diagnosis" results of "MULTI AV". Turn ignition switch OFF.
2.Turn ignition switch ON. perform the self-diagnosis again.
3.Check that the DTC is detected again.
Is any DTC detected?
YES-1 - U1684 or U1687: Check harnesses between BOSE amp. and rear door speaker LH or between
BOSE amp. and rear door tweeter LH.
YES-2 - U168C or U168F: Check harnesses between BOSE amp. and rear door speaker RH and between
BOSE amp. and rear door tweeter RH.
NO- Refer to "Intermittent Incident" Intermittent Incident.