Toyota Corolla (E120): Circuit description

This circuit sends a signal to the cruise control ecu assy that dtc output is required.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Circuit description
    In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

    Inspection procedure
    Hint: when the throttle position is slightly opened (the accelerator pedal is slightly depressed) because a floor carpet is overlapped on the accelerator pedal, or if not fully releasing the accelerator pedal, etc., Dtc p505 will possibly be detected. Read freeze frame data using the ...

    How to scroll
    : Select to scroll to the next or previous page. : If appears to the right of titles, the complete titles are too long for the display. Select this button to scroll the title. Turn the “TUNE/SCROLL” knob to move the cursor box to select a desired item from the list, and press the ...