Diagnosis Procedure (With Rear Sonar System)

SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION


Description

The sonar system can be disabled by momentarily pressing the sonar system OFF switch. The sonar system
OFF indicator lamp will be illuminated when the sonar system is OFF. Enabling the sonar system will cause the sonar system OFF indicator to go out. The indicator will flash if a malfunction exists in the system.





SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION


Diagnosis Procedure (With Rear Sonar System)

1.CHECK REAR SONAR SYSTEM OFF SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace rear sonar system OFF switch. Refer to Removal and Installation.
2.CHECK REAR SONAR SYSTEM OFF SWITCH CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and rear sonar system OFF switch connector.





3. Check continuity between sonar control unit harness connector
(A) and rear sonar system OFF switch harness connector (B).










4. Check continuity between rear sonar system OFF switch harness connector and ground.





Are the inspection results normal?
YES - Inspection End.
NO - Repair harness or connector.