Toyota 4Runner manuals

Toyota 4Runner: Do-it-yourself maintenance

Toyota 4Runner Owners Manual / Maintenance and care / 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:

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE FUNCTION (a) When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malf ...

Brake Booster Pump Motor on Time Abnormally Long (C1252)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU. DTC Code DTC Detection Condition Trouble Area ...

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