Toyota 4Runner: Do-it-yourself maintenance

Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction ind ...

Do-it-yourself service precautions

If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move s ...

Other materials about Toyota 4Runner:

Fog light switch
The fog lights secure excellent visibility in difficult driving conditions, such as in rain and fog. Type A 1. Turns the front fog lights off 2. Turns the front fog lights on Type B 1. Turns the front fog lights off 2. Turns the front fog l ...

Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
DESCRIPTION If the auto up/down function does not operate, the cause may be one or more of the following: The ECU in the power window regulator motor determines that the power window regulator motor has not been initialized. The master switc ...