Toyota 4Runner: Introduction

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How To Troubleshoot Ecu Controlled Systems
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How To Troubleshoot Ecu Controlled Systems

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Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION If there is a problem with the master cylinder solenoid (skid control ECU) power supply circuit, the skid control ECU stores DTCs and prohibits operation under the fail-safe function. If the voltage supplied to the IG2 terminal is within the ...

Mechanical System Tests
MECHANICAL SYSTEM TESTS 1. STALL SPEED TEST HINT: This test is to check the overall performance of the engine and transmission. CAUTION: To ensure safety, perform this test in an open and level area that provides good traction. The stall s ...