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:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY LH (a) Disconnect the b2 seat heater control sub-assembly LH connector. (b) Measure the resistance according to the value( ...

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 ...