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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH INNER CIRCUIT (1)
  1. Turn electric motor switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH inner connector.
  3. Turn electric motor switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B202Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK FRONT SONAR SENSOR SIGNAL LH INNER CIRCUIT (2)
  1. Turn electric motor switch OFF.
  2. Check continuity between front sonar sensor LH inner harness connector and ground.
Front sonar sensor LH innerGroundContinuity
ConnectorTerminal
E3052Not 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 B272A-88 detected again?
Replace the front sonar sensor LH inner. Refer to Removal and Installation.
INSPECTION END