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:

Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier
DESCRIPTION The navigation receiver assembly sends a sound signal to the stereo component amplifier assembly via the sound signal circuit. The sound signal that has been sent is amplified by the stereo component amplifier assembly, and then is sent to th ...

ABS Control System Malfunction (43)
DESCRIPTION This DTC is output when the VSC system detects a malfunction in the ABS. DTC Code DTC Detection Condition Trouble Area 43 A malfunction in the anti-lock brake system. Anti-lo ...