Diagnosis Procedure
1.
CHECK CONNECTOR
Ignition switch OFF.
Check the ethernet harness connectors and terminals of AV control unit and 8CH CAN gateway for damage or looseness.
Is the inspection result normal?
.
Repair or replace the malfunction part, securely lock the harness connector.
2.
PERFORM ALL DTC READING
Ignition switch ON.
Perform “Read All DTCs” with M.U.T.-III SE.
Check if any DTC of ethernet (DTC “U278C-88”) is detected in “Self Diagnostic Result” of “CGW”
Is DTC of ethernet detected?
Replace the 8CH CAN gateway. (Refer to
Removal and Installation
), and
.
Replace the 8CH CAN gateway. Refer to
Removal and Installation
.
3.
PERFORM DTC CONFIRMATION PROCEDURE-1
Erases all self-diagnosis results with M.U.T.-III SE.
Perform DTC confirmation procedure again. Refer to
DTC Description
.
Is DTC “U2754-88” detected as the current malfunction?
Replace the AV control unit. (Refer to
Removal and Installation
), and
.
INSPECTION END
4.
PERFORM DTC CONFIRMATION PROCEDURE-2
Erases all self-diagnosis results with M.U.T.-III SE.
Perform DTC confirmation procedure again. Refer to
DTC Description
.
Is DTC “U2754-88” detected as the current malfunction?
Replace the ethernet harness between AV control unit and 8CH CAN gateway.
INSPECTION END