Description
Initial diagnosis of AV control unit.
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.REPLACE AV CONTROL UNIT
hen DTC U1010 is detected, replace AV control unit
U1000 CAN comm circuit
U1200 AV control unitSubwoofer
Description
The audio unit sends audio signals to the subwoofer amp. The subwoofer amp.
amplifies the audio signals before sending them to the subwoofers using the
audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, subwoofer amp. and subwoofer connectors for t ...
Door switch
Description
Detects front door open/close condition.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check front door switches DOOR SW-DR and DOOR SW-AS in Data Monitor mode with
CONSULT.
Diagnosis Procedure
1.CHECK FRONT DOOR SWITCH INPUT SIGNAL
Turn ignition switch OFF.
...
AV branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the AV control unit for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRC ...