Toyota 4Runner: Operation Check

Toyota 4Runner Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System / 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 ...

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REASSEMBLY PROCEDURE 1. INSTALL BRAKE BOOSTER PISTON SIB-ASSEMBLY (a) Apply a light coat of lithium soap base glycol grease to a new piston. (b) Install the piston. NOTICE: When installing, be careful ...