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:

Air Inlet Damper Control Servo Motor Circuit (B1442)
DESCRIPTION The recirculation damper servo sub-assembly sends pulse signals to inform the No. 1 air conditioning amplifier assembly of the damper position. The No. 1 air conditioning amplifier assembly activates the motor (normal or reverse) based on th ...

Luggage compartment features
Cargo hooks Vehicles with third seats Fold down the third seats. Raise the hook to use. The cargo hooks are provided for securing loose items. Vehicles without third seats Raise the hook to use. The cargo hooks are provided for securing loose items ...