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:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 HEATER TO REGISTER DUCT
(a) Remove the 4 screws and No. 1 heater to register duct.
2. REMOVE NO. 2 HEATER TO REGISTER DUCT
(a) Remove the 4 screws and No ...
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) The heater and blower both have 3 levels controlled by operating the dial-type
refreshing seat switch, which is located in the upper console panel.
(b) The on/off state of the heater or blower can be determined by checkin ...
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