Reverse Signal Circuit

REVERSE SIGNAL CIRCUIT


Description

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





REVERSE SIGNAL CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation.
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. Exterior Lighting.
2.CHECK REVERSE POSITION INPUT SIGNAL
With CONSULT-III
Select "DATA MONITOR" of "MULTI AV". Operate ignition switch with "REV SIG" of "DATA MONITOR" and check operate status.
Without CONSULT-III





1. Turn ignition switch OFF.
2. Disconnect AV control unit connector.
3. Turn ignition switch ON.
4. Shift selector lever to R position.
5. Check voltage between AV control unit harness connector M102 terminal 52 and ground.

Battery voltage should exist.

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