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:

    Customer problem analysis
    Hint: in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and cond ...

    Steering wheel audio switches
    Some audio features can be controlled using the switches on the steering wheel. Operation may differ depending on the type of multimedia system or navigation system. For details, refer to the manual provided with the multimedia system or navigation system. Operating the multimedia system using ...

    If the vehicle becomes stuck
    Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt or snow: 1 Stop the engine. Set the parking brake and shift the shift lever to P (automatic transmission or continuously variable transmission) or N (manual transmission). 2 Remove the mud, snow or s ...