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Diagnosis Procedure
1.CHECK FRONT SENSOR POWER SUPPLY CIRCUIT (SHORT)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector, front sonar sensor LH/RH outer connector, front sonar sensor LH/RH inner connector and front sonar sensor LH/RH side connector.
  3. Check continuity between sonar control unit harness connector and ground.
Sonar control unitGroundContinuity
ConnectorTerminal
B2011Not existed
Is the inspection result normal?
Replace the sonar control unit. Refer to Removal and Installation.
Repair the harness or connector.