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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH OUTER CIRCUIT (OPEN)
  1. Turn ignition switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH outer connector.
  3. Check continuity between sonar control unit harness connector and front sonar sensor LH outer connector.
    Sonar control unitFront sonar sensor LH outerContinuity
    ConnectorTerminalConnectorTerminal
    B203E3042Existed
Is the inspection result normal?
.
Repair the harness or connector.
 
2.CHECK FRONT SONAR SENSOR LH OUTER GROUND CIRCUIT
Check continuity between sonar control unit harness connector and front sonar sensor LH outer harness connector.
Sonar control unitFront sonar sensor LH outerContinuity
ConnectorTerminalConnectorTerminal
B2013E3043Existed
Is the inspection result normal?
Replace the front sonar sensor LH outer. Refer to Removal and Installation.
Repair the harness or connector.