Bose Audio Without Navigation
U190A, U190B HEADREST SPEAKER
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 - U190A: Check harnesses between BOSE amp. and passenger headrest speaker LH.
YES�2 - U190B: Check harnesses between BOSE amp. and passenger headrest speaker RH.
NO - Refer to GI section. Intermittent Incident.