Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Inspection procedure
    1 Inspect fuse(stop) Turn the ignition switch to off.  remove the stop fuse from the instrument panel j/b.  check continuity of the stop fuse. Ok: continuity 2 Inspect stop lamp switch assy Disconnect the stop lamp switch assy connector. check continuity betw ...

    Seat belt warning lamp for driver’s seat does not operate
    Wiring diagram Inspection procedure 1 Check combination meter assy Ground terminal c9–12 on the combination meter side. check that the warning lightlights up. Ok: warning light lights up. 2 Inspect front seat inner belt assy lh Disconnect the front seat inner belt ...

    Circuit description
    Monitor description The ecm commands gearshift by turning the shift solenoid valves ”on/off”. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the fail–safe and turns ...