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:

Accumulator Solenoid Malfunction / Upside (C1831/31,C1832/32)
DESCRIPTION The stabilizer control ECU receives information from the steering angle sensor, skid control ECU (speed signal) and yaw rate and acceleration sensor via CAN communication. Based on this information, the stabilizer control ECU turns the stabili ...

Power Management Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Power Management Control ECU Communication Stop Mode Either condition is met: "Power Management1" is not displayed on the &quo ...