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:

Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING PEDAL PAD (a) Install the parking pedal pad. 2. INSTALL NO. 1 PARKING BRAKE CABLE ASSEMBLY (a) Temporarily install the No. 1 parking brake cable assembly with the adjusting nut and lock nut. (b) Install the No. ...

Speed Signal Circuit
DESCRIPTION The vehicle speed signal consists of pulses sent to the side auto step controller ECU assembly from the main body ECU (multiplex network body ECU). WIRING DIAGRAM PROCEDURE 1. INSPECT MAIN BODY ECU (MULTIPLEX NETWORK ...