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

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





3. Check continuity between sonar control unit harness connectors
(A, B) and sonar sensor harness connectors (C).











4. Check continuity between sonar control unit harness connectors
(A, B) and ground.





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