Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

BOSE Audio With Navigation


U1278, U1279, U127A, U127B FRONT LEFT DOOR WOOFER





Description









DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. 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 - Repair sound signal door woofer LH circuit harness or connector.
NO - Refer to GI section. Refer to Intermittent Incident.
NO - Refer to GI section. Refer to Intermittent Incident.