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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH SIDE CIRCUIT (OPEN)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH side connector.
  3. Check continuity between sonar control unit harness connector and front sonar sensor LH side connector.
    Sonar control unitFront sonar sensor LH sideContinuity
    ConnectorTerminalConnectorTerminal
    B4947E3082Existed
Is the inspection result normal?
.
Repair the harness or connector.
 
2.CHECK FRONT SONAR SENSOR LH SIDE GROUND CIRCUIT
Check continuity between sonar control unit harness connector and front sonar sensor LH side harness connector.
Sonar control unitFront sonar sensor LH sideContinuity
ConnectorTerminalConnectorTerminal
B2013E3083Existed
Is the inspection result normal?
Replace the front sonar sensor LH side. Refer to Removal and Installation.
Repair the harness or connector.