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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL RH OUTER CIRCUIT (1)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor RH outer connector.
  3. Turn ignition switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B204Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK FRONT SONAR SENSOR SIGNAL rH OUTER CIRCUIT (2)
  1. Turn ignition switch OFF.
  2. Check continuity between front sonar sensor RH outer harness connector and ground.
Front sonar sensor RH outerGroundContinuity
ConnectorTerminal
E3072Not 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 ignition switch ON.
  2. Erase DTC.
  3. 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