Toyota Corolla (E120): Circuit description

Dtc output mode is set by connecting between tc and cg of the dlc3.

The dtcs are displayed by blinking the srs warning light.

Wiring diagram

Hint:

Hint

: when each warning light stays blinking, ground short in the wiring until the terminal tc of the dlc3 or internal ground short in each ecu is suspected.

    Share this page:

    Other materials:

    Overhaul
    1. Remove roof headlining assy 2. Remove sliding roof glass sub–assy  using a torx wrench (t25), remove the 4 screws the sliding roof glass.  pull the glass upward to remove it. 3. Remove sliding roof weatherstrip 4. Remove sliding roof drive gear sub–assy Notice: ...

    Symptom simulation
    Hint: the most difficult case in troubleshooting is when no symptoms occurs. In such cases, a thorough customer problem analysis must be carried out. Then the same or similar conditions and environment in which the problem occurred in the customer’s vehicle should be simulated. No matter ho ...

    BSM (Blind Spot Monitor)
    The Blind Spot Monitor is a system that uses rear side radar sensors installed on the inner side of the rear bumper on the left and right side to assist the driver in confirming safety when changing lanes. WARNING ■Cautions regarding the use of the system The driver is solely responsible for sa ...