REVERSE SIGNAL CIRCUIT

Description

A reverse signal is supplied from the back-up lamp relay to the rear view camera control unit. When this signal is received, the display shows a view to the rear of the vehicle.

REVERSE SIGNAL CIRCUIT

Diagnosis Procedure

1.BACK-UP LAMP Inspection

1. Turn ignition switch ON.
2. Shift selector lever to R position. Does back-up lamp illuminate?

YES >> GO TO 2
NO >> Check back-up lamp system. Refer to See: Lighting and Horns\Testing and Inspection\Initial Inspection and Diagnostic Overview\Work Flow\Exterior Lighting System.
2.CHECK REVERSE POSITION INPUT SIGNAL
With CONSULT-III
Select "DATA MONITOR" of "REARVIEW CAMERA". Operate ignition switch with "R POSI SIG" of "DATA
MONITOR" and check operate status.
Without CONSULT-III

1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Turn ignition switch ON.
4. Shift selector lever to R position.
5. Check voltage between rear view camera control unit harness connector B31 terminal 4 and ground.

Battery voltage should exist.

Does battery voltage exist?
YES >> Inspection End.
NO >> Check harness for open or short between rear view camera control unit and back-up lamp relay.