Diagnosis Procedure
1.
CHECK FRONT SONAR SENSOR SIGNAL RH SIDE CIRCUIT (OPEN)
Turn ignition switch OFF.
Disconnect sonar control unit connector and front sonar sensor RH side connector.
Check continuity between sonar control unit harness connector and front sonar sensor RH side connector.
Sonar control unit
Front sonar sensor RH side
Continuity
Connector
Terminal
Connector
Terminal
B49
48
E309
2
Existed
Is the inspection result normal?
.
Repair the harness or connector.
2.
CHECK FRONT SONAR SENSOR RH SIDE GROUND CIRCUIT
Check continuity between sonar control unit harness connector and front sonar sensor RH side harness connector.
Sonar control unit
Front sonar sensor RH side
Continuity
Connector
Terminal
Connector
Terminal
B20
13
E309
3
Existed
Is the inspection result normal?
Replace the front sonar sensor RH side. Refer to
Removal and Installation
.
Repair the harness or connector.