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:

Rear Shock Absorber(w/ Reas)
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT NOTICE: Be sure to read the precaution before performing this procedure (See page ). HINT: Use the same procedure for the RH and LH sides. The procedure lis ...

Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
DESCRIPTION The certification ECU generates a request signal and transmits the signal to the indoor No. 2 electrical key antenna (inside luggage). The indoor No. 2 electrical key antenna (inside luggage) detects that the electrical key is inside the vehic ...