Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Exhaust gas precautions
    Harmful substance to the human body is included in exhaust gases if inhaled. CAUTION Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the following precautions. Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident c ...

    General information
    1. Basic dimensions (a) there are two types of dimensions in the diagram. (1) (Three-dimensional distance) straight-line distance between the centers of two measuring points. (2) (Two-dimensional distance) horizontal distance in forward/rearward direction between the centers o ...

    Mass or volume air flow circuit
    Dtc p0100 mass or volume air flow circuit Dtc p0102 mass or volume air flow circuit low input Dtc p0103 mass or volume air flow circuit high input Circuit description The maf (mass air flow) sensor measures the amount of air flowing through the throttle valve. The ecm uses this information ...