Toyota Corolla (E120): Diagnosis circuit

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Turn signal lever
Operating instructions Right turn Lane change to the right (move the lever partway and release it) The right hand signals will flash 3 times. Lane change to the left (move the lever partway and release it) The left hand signals will flash 3 times. Left turn ■Turn signals can be oper ...

Circuit description
The rotary solenoid type idle air control (iac) valve is located under the throttle body and intake air bypassing the throttle valve flows into the iac valve through the passage. In this way the intake air volume bypassing the throttle valve is regulated, controls the engine speed. The ...

Driving assist systems
To help enhance driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. ◆ ABS (Anti-lock Brake Sys ...