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:

    Inspection procedure
    Hint: read freeze frame data using the hand–held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, th ...

    Customization
    Customizable features Your vehicle includes a variety of electronic features that can be personalized to suit your preferences. Programming these preferences requires specialized equipment and may be performed by your Toyota dealer. Customizing vehicle features ■ Changing by using the n ...

    Warning lights and indicators
    The warning lights and indicators on the instrument cluster, center panel, overhead console and outside rear view mirrors inform the driver of the status of the vehicle's various systems. Warning lights and indicators displayed on the instrument cluster For the purpose of explanation, the followin ...