Diagnosis Procedure
1.
CHECK FRONT SONAR SENSOR SIGNAL RH OUTER CIRCUIT (1)
Turn electric motor switch OFF.
Disconnect sonar control unit connector and front sonar sensor RH outer connector.
Turn electric motor 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 electric motor 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?
.
Repair the harness or connector.
3.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With M.U.T.-III SE
Turn electric motor switch ON.
Erase DTC.
Perform DTC confirmation procedure again. Refer to
DTC Description
.
Is DTC B272C-88 detected again?
Replace the front sonar sensor RH outer. Refer to
Removal and Installation
.
INSPECTION END