Diagnosis Procedure (With Rear Sonar System)

SONAR SENSOR CIRCUIT INSPECTION


Description

With power and ground supplied to the sonar sensors, the sonar sensors transmit an ultrasonic signal. This signal is reflected back to the sensor by objects large enough and close enough to be detected. The sonar sensors measure the time from the transmitted signal to the time the signal is reflected back and send this information to the sonar control unit.





SONAR SENSOR CIRCUIT INSPECTION


Diagnosis Procedure (With Rear Sonar System)

1.CHECK REAR SONAR SENSOR CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sonar control unit connector and rear sonar sensor connectors.





3. Check continuity between sonar control unit harness connector
(A) and rear sonar sensor harness connectors (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.