Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Park Assist / Monitoring / Rear View Monitor System(for Radio And Display Type) / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
To confirm the operation condition of this system, refer to Operation Explanation (System Description).

Rear View Monitor System

Symptom	Suspected Area	See page
When shift lever is in R, rear view monitor image is not displayed (screen is not black)	Proceed to "Reverse Signal Circuit"
	Proceed to "Radio receiver power source circuit"
	Radio and display receiver assembly
When shift lever is in R, rear view monitor image is not displayed (screen is black)	Proceed to "Image from camera for rear view monitor is abnormal"
	Television camera assembly
	Radio and display receiver assembly
When shift lever is not in R, rear view monitor image is displayed	Proceed to "Reverse Signal Circuit"
	Radio and display receiver assembly
Problem with rear view monitor image (color, distortion of picture)	Proceed to "Image from camera for rear view monitor is abnormal"
	Television camera assembly
	Radio and display receiver assembly

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the rear view monitor system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

Terminals Of Ecu

TERMINALS OF ECU 1. REAR TELEVISION CAMERA ASSEMBLY (a) Disconnect the Y2 rear television camera assembly connector. (b) Measure the voltage according to the value(s) in the table below. ...

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