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:

XM Tuner Malfunction (B15BA)
DESCRIPTION These DTCs are stored when a malfunction occurs in the stereo component tuner assembly. DTC Code DTC Detection Condition Trouble Area B15BA When either of the conditions below is met: ...

Pressure Sensor or Switch (C1254)
DESCRIPTION The accumulator pressure sensor is connected to the skid control ECU in the master cylinder solenoid. DTC Code DTC Detection Condition Trouble Area C1254 There is an accumulator pre ...