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:

Solar Sensor
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR) (a) Connect the positive (+) lead of the battery to terminal 6 and the negative (-) lead to terminal 3, and ...

Hazard Warning Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH 2. REMOVE NO. 2 INSTRUMENT CLUSTER FINISH PANEL GARNISH 3. REMOVE HEATER CONTROL ASSEMBLY 4. REMOVE RADIO AND DISPLAY R ...