Diagnosis Procedure
1.
CHECK FRONT SONAR SENSOR SIGNAL RH OUTER CIRCUIT (1)
Turn ignition switch OFF.
Disconnect sonar control unit connector and front sonar sensor RH outer connector.
Turn ignition switch ON.
Check voltage between sonar control unit harness connector and ground.
Sonar control unit
(-)
Voltage (Approx. )
Connector
Terminal
B20
4
Ground
0 V
Is the inspection result normal?
Repair harness or connector.
2.
CHECK FRONT SONAR SENSOR SIGNAL RH OUTER CIRCUIT (2)
Turn ignition switch OFF.
Check continuity between front sonar sensor RH outer harness connector and ground.
Front sonar sensor RH outer
Ground
Continuity
Connector
Terminal
E307
2
Not existed
Is the inspection result normal?
Replace the front sonar sensor RH outer. Refer to
Removal and Installation
.
Repair the harness or connector.