Toyota 4Runner manuals

Toyota 4Runner: How To Troubleshoot Ecu Controlled Systems

Toyota 4Runner Service Manual / General / Introduction / How To Troubleshoot Ecu Controlled Systems

Introduction
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General Information
GENERAL INFORMATION A large number of ECU controlled systems are used in the 4RUNNER. In general, ECU controlled systems are considered to be very intricate, requiring a high level of ...

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Disabling the TRAC/VSC systems (4WD models)
If the vehicle gets stuck in fresh snow or mud, the TRAC/VSC systems may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the vehicle in order to free it. Turning off the TRAC system only To turn the ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after d ...

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