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:

Manual Up / Down Function does not Operate on Back Door Only
DESCRIPTION If the back door power window does not operate, the retract switch in the rear wiper motor, the back door power window regulator motor or the wire harness may be abnormal. WIRING DIAGRAM PROCEDURE 1. SYSTEM CHECK ...

Clearance Sonar Main Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE NO. 2 SWITCH HOLE BASE 2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY (a) Detach the 2 claws and remove the back sonar or clearance sonar switch. Inspection ...