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:

Terminals Of Ecu
TERMINALS OF ECU 1. TERMINALS OF ECU Text in Illustration *a Component without harness connected (Skid Control ECU) - - Terminal No. (Symbol) Terminal Description ...

Inspection
INSPECTION PROCEDURE 1. INSPECT REAR AXLE SHAFT (a) Using a dial indicator, measure the rear axle shaft runout and flange runout. Maximum runout: Shaft runout: 1.50 mm (0.0591 in.) Flange runout: 0.05 mm (0.00197 in.) If the rear axle shaft or flange ...