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:

Control Module Communication Bus OFF (U0073,U0100,U0114,U0123,U0124,U0126)
DESCRIPTION DTC Code DTC Detection Conditions Trouble Area U0073 One of the following conditions is met: When the IG1 terminal voltage is between 10 and 17.4 V, after the output ...

Shifting between H4 and L4
Shifting from H4 to L4 Stop the vehicle completely and continue to depress the brake pedal. Shift the shift lever to N. Type A Shift the front-wheel drive control lever to L4. Type B Push the “UNLOCK” button and then push and turn the front ...