Diagnosis Procedure
1.
CHECK REAR SONAR SENSOR SIGNAL RH OUTER CIRCUIT (SHORT)
Turn ignition switch OFF.
Disconnect sonar control unit connector and rear sonar sensor RH outer connector.
Check continuity between sonar control unit harness connector and ground.
Sonar control unit
Ground
Continuity
Connector
Terminal
B20
10
Not existed
Is the inspection result normal?
Replace the rear sonar sensor RH outer. Refer to
Removal and Installation
.
Repair the harness or connector.