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:

Relay(for Windshield Deicer)
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE DEICER RELAY (DEICER) (a) Remove the deicer relay from the engine room relay block. Text in Illustration *1 Deicer Relay ...

Combination Meter
Components COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION Removal REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery termin ...