Door Squawker/Tweeter

U1901, U1907 DOOR SQUAWKER/TWEETER





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 - U1901: Check harnesses between BOSE amp. and door squawker RH and between BOSE amp. and tweeter RH.
YES�2 - U1907: Check harnesses between BOSE amp. and door squawker LH and between BOSE amp. and tweeter LH.
NO - Refer to GI section. Intermittent Incident.