1.CHECK REAR SONAR SENSOR SIGNAL LH OUTER CIRCUIT (SHORT)
- Turn electric motor switch OFF.
- Disconnect sonar control unit connector and rear sonar sensor LH outer connector.
- Check continuity between sonar control unit harness connector and ground.
| Sonar control unit | Ground | Continuity |
| Connector | Terminal |
| B20 | 22 | Not existed |
Is the inspection result normal?
Repair the harness or connector.
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Replace the rear sonar sensor LH outer. Refer to Removal and Installation
.