Diagnosis Procedure
1.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Multi-around monitor control unit
Sonar control unit
ADAS control unit 2
Check the continuity between the multi-around monitor control unit harness connector and the sonar control unit harness connector.
Multi-around monitor control unit harness connector
Sonar control unit
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B75
6
B20
5
Existed
23
6
Existed
Is the inspection result normal?
(Present error)
Check CAN system type decision again.
(Past error)
Error was detected in the main line between the multi-around monitor control unit and the sonar control unit.
Repair the main line between the multi-around monitor control unit and the sonar control unit harness connector.