Diagnosis Procedure (With Front and 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 Front and Rear Sonar System)

Regarding Wiring Diagram information, Sonar Control Unit For Front and Rear Sonar System.
1.CHECK SONAR SYSTEM OFF SWITCH
Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace sonar system OFF switch. Removal and Installation.
2.CHECK SONAR SYSTEM OFF SWITCH CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and sonar system OFF switch connector.





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










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





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