Toyota Corolla (E120): Fuel pump control circuit

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Inspection procedure
Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

Anti-glare function
► Manual anti-glare inside rear view mirror Reflected light from the headlights of vehicles behind can be reduced by operating the lever. 1 Normal position 2 Anti-glare position ► Auto anti-glare inside rear view mirror Responding to the level of brightness of the headlights of ...

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 ...