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 ...

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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of code, refer to the "See page" below. CAN Communication System DTC Code De ...

Clearance Sonar Main Switch Circuit
DESCRIPTION When the back sonar or clearance sonar switch assembly turns on, the on signal is input into the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before pe ...

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