Toyota 4Runner: Operation Check
OPERATION CHECK
1. CHECK WINDOW DEFOGGER SYSTEM OPERATION
(a) When the ignition switch is turned to ON and the heater control (window defogger switch) is pressed, check that the window defogger operates.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Inspect the window defogger system after confirming that the back door
power window system of the power window control system is operating normally.
...
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 lis ...
Other materials about Toyota 4Runner:
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Center airbag sensor assembly
Main body ECU (multiplex network body ECU)
Front seat inner belt LH buckle swit ...
Driving assist systems
To help enhance driving safety and performance, the following systems
operate automatically in response to various driving situations.
Be aware, however, that these systems are supplementary and should not be
relied upon too heavily when operating the veh ...
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