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:

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION OF SYSTEM (a) When the tire pressure warning system detects that the tire pressure of a tire is below the threshold, it illuminates the tire pressure warning light to warn the driver. (b) The tire pressure warning anten ...

Inspection
INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY (a) Remove the washer jar. (b) Disconnect the windshield washer motor and pump connector. HINT: Make sure that the windshield washer motor and pump is installed to the washer jar ...