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:

    Adjustment
    1. Put vehicle these conditions  tire inflation pressure is the specified value .  start the engine. 2. Adjust fog light aim The fog light aim can be adjusting by moving the aiming screw in the vertical direction. Hint: the optical aim moves upward when turning a scr ...

    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 ...

    Side mudguard sub–assy lh
    Replacement Hint: use the same procedures for the rh side and lh side. 1. Remove side mudguard sub–assy lh Using a clip remover, remove the 8 retainers and 9 clips.  using a moulding remover, remove the mudguard. 2. Install side mudguard sub–assy lh Install the mudgu ...