Diagnosis Procedure (With Rear Sonar System)

SONAR BUZZER CIRCUIT INSPECTION


Description

When the A/T selector lever is not it park or neutral, a stationary object will be detected by the sonar sensors causing the front or rear sonar buzzer to sound a tone. As the vehicle moves closer to the object, the rate of the tone will increase. When the object is very close to the vehicle, the tone will sound continuously.





SONAR BUZZER CIRCUIT INSPECTION


Diagnosis Procedure (With Rear Sonar System)

1.CHECK SONAR BUZZER
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace sonar buzzer. Refer to Service and Repair.
2.CHECK SONAR BUZZER CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and sonar buzzer connector.





3. Check continuity between sonar control unit harness connector
(A) and sonar buzzer harness connector (B).










4. Check continuity between sonar control unit harness connector and ground.





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