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 ...

Other materials about Toyota 4Runner:

Relay(for Windshield Deicer)
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE DEICER RELAY (DEICER) (a) Remove the deicer relay from the engine room relay block. Text in Illustration *1 Deicer Relay ...

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Vehicles without a smart key system Turn the engine switch off. Vehicles with a smart key system Turn the “ENGINE ...

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