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:

No Response from ID BOX (B2789)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU and ID code box stops for 10 seconds or more. DTC Code DTC Detection Condition Trouble Area B2789 No communicat ...

Precaution
PRECAUTION 1. BASIC REPAIR HINT (a) HINTS ON OPERATIONS 1 Attire Always wear a clean uniform. Hat and safety shoes must be worn. 2 Vehicle protection ...