Diagnosis Procedure
1.
CHECK REAR SONAR SENSOR SIGNAL RH OUTER CIRCUIT (1)
Turn ignition switch OFF.
Disconnect sonar control unit connector and rear 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
10
Ground
0 V
Is the inspection result normal?
Repair harness or connector.
2.
CHECK REAR SONAR SENSOR SIGNAL RH OUTER CIRCUIT (2)
Turn ignition switch OFF.
Check continuity between rear sonar sensor RH outer harness connector and ground.
Rear sonar sensor RH outer
Ground
Continuity
Connector
Terminal
B460
2
Not existed
Is the inspection result normal?
.
Repair the harness or connector.
3.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With M.U.T.-III SE
Turn ignition switch ON.
Erase DTC.
Perform DTC confirmation procedure again. Refer to
DTC Description
.
Is DTC B2723-88 detected again?
Replace the rear sonar sensor RH outer. Refer to
Removal and Installation
.
INSPECTION END