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