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Diagnosis Procedure
1.CHECK REAR SONAR SENSOR SIGNAL RH OUTER CIRCUIT (1)
  1. Turn electric motor switch OFF.
  2. Disconnect sonar control unit connector and rear sonar sensor RH outer connector.
  3. Turn electric motor switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B2010Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK REAR SONAR SENSOR SIGNAL RH OUTER CIRCUIT (2)
  1. Turn electric motor switch OFF.
  2. Check continuity between rear sonar sensor RH outer harness connector and ground.
Rear sonar sensor RH outerGroundContinuity
ConnectorTerminal
B4602Not existed
Is the inspection result normal?
.
Repair the harness or connector.
 
3.PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With M.U.T.-III SE
  1. Turn electric motor switch ON.
  2. Erase DTC.
  3. 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