Toyota 4Runner: Introduction

How To Troubleshoot Ecu Controlled Systems

Other materials about Toyota 4Runner:

Security Horn Circuit
DESCRIPTION When the theft deterrent system is in the alarm sounding state, the main body ECU outputs a signal repeatedly at 0.4 second intervals, causing the security horn assembly to sound WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the ...

Road Test
ROAD TEST 1. PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transmission does not shift up or shift down, or that the shift point is too high or too low, co ...