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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH OUTER CIRCUIT (1)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH outer connector.
  3. Turn ignition switch ON.
  4. Check voltage between sonar control unit harness connector and ground.
    Sonar control unit(-)Voltage (Approx. )
    ConnectorTerminal
    B203Ground0 V
Is the inspection result normal?
Repair harness or connector.
 
2.CHECK FRONT SONAR SENSOR SIGNAL LH OUTER CIRCUIT (2)
  1. Turn ignition switch OFF.
  2. Check continuity between front sonar sensor LH outer harness connector and ground.
Front sonar sensor LH outerGroundContinuity
ConnectorTerminal
E3042Not existed
Is the inspection result normal?
Replace the front sonar sensor LH outer. Refer to Removal and Installation.
Repair the harness or connector.