Toyota Corolla (E120): Circuit description

This is the power source of the ecu, hence the actuators.

Wiring diagram

Wiring diagram

Inspection procedure

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    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 ...

    Cd cannot be inserted or is ejected right after insertion
    Wiring diagram Inspection procedure 1 Check if a proper cd is inserted Check that a proper cd is inserted.  Make sure that the cd is normal audio cd, and that there is no deformation, flaw, stain, burr and other defects on the cd. Standard: normal audio cd. Reference: ...

    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). Perform active test using the hand–held ...