Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Window / Glass / Window Defogger System / 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 related to this system before inspecting the suspected areas below.

Window Defogger System

Symptom	Suspected Area	See page
Rear Window Defogger System does not Operate.	RR DEF relay
	Air conditioning system
	Wire harness or connector
	Air conditioning control assembly
	Air conditioning amplifier assembly
	Back door glass (rear window defogger wire)
	Radio setting condenser

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the window defogger system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGH ...

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TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (a) Disconnect the D47 air conditioning amplifier assembly connector. (b) Measure the voltage and resistance according to the value(s ...

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