Toyota 4Runner: Problem Symptoms Table

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Park Assist / Monitoring / Rear View Monitor System(for Navigation Receiver 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.

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 "Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly"
	Navigation receiver assembly
When shift lever is in R, rear view monitor image is not displayed (screen is black)	Proceed to "Navigation Receiver Assembly Power Source Circuit"
	Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly"
	Television camera assembly
	Navigation receiver assembly
When shift lever is not in R, rear view monitor image is displayed	Proceed to "Reverse Signal Circuit"
	Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly"
	Navigation receiver assembly
Problem with rear view monitor image (color, distortion of picture)	Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly"
	Television camera assembly
	Navigation receiver assembly

System Description

SYSTEM DESCRIPTION 1. GENERAL (a) To assist the driver with parking the vehicle by displaying an image of the area behind the vehicle, this system has a rear television camera assembly mounted o ...

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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