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Diagnosis Procedure
1.CHECK REAR SONAR SENSOR SIGNAL RH INNER CIRCUIT (1)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and rear sonar sensor RH inner connector.
  3. Turn ignition switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B209Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK REAR SONAR SENSOR SIGNAL RH INNER CIRCUIT (2)
  1. Turn ignition switch OFF.
  2. Check continuity between rear sonar sensor RH inner harness connector and ground.
Rear sonar sensor RH innerGroundContinuity
ConnectorTerminal
B4582Not existed
Is the inspection result normal?
Replace the rear sonar sensor RH inner. Refer to Removal and Installation.
Repair the harness or connector.