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:

Automatic running boards
The Automatic running boards are linked to the side door operations, extending and retracting when a side door is opened and closed. When a door is opened or closed, the board on the same side extends or retracts. 1. Opening a door: The appropriate boar ...

Short in Motor LH (11,12)
DESCRIPTION When there is a short in the side auto step motor circuit, the side auto step controller ECU assembly halts the operation of the automatic running board. DTC No. Detection Condition Trouble Area ...