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 unitBasic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.CONFIRM SYMPTOM
Confirm symptom or customer complaint.
2.CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform self-diagnosis of combination meter. Refer to MWI-29, "Diagnosis
Description".
3.CHECK COMBINATION ...
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 ...
Clip list
Descriptions for Clips
Replace any clips which are damaged during removal or installation.
...