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Diagnosis Procedure
1.CHECK FRONT SONAR SENSOR SIGNAL LH INNER CIRCUIT (OPEN)
  1. Turn electric motor switch OFF.
  2. Disconnect sonar control unit connector and front sonar sensor LH inner connector.
  3. Check continuity between sonar control unit harness connector and front sonar sensor LH inner connector.
    Sonar control unitFront sonar sensor LH innerContinuity
    ConnectorTerminalConnectorTerminal
    B202E3052Existed
Is the inspection result normal?
.
Repair the harness or connector.
 
2.CHECK FRONT SONAR SENSOR LH INNER GROUND CIRCUIT
Check continuity between sonar control unit harness connector and front sonar sensor LH inner harness connector.
Sonar control unitFront sonar sensor LH innerContinuity
ConnectorTerminalConnectorTerminal
B2013E3053Existed
Is the inspection result normal?
Replace the front sonar sensor LH inner. Refer to Removal and Installation.
Repair the harness or connector.