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
    1 Check airbag sensor assy center connector Disconnect negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the airbag sensor assy center connectors. 2 Check air bag sensor assy center Sst 09843–18040 Connect the n ...

    Lubrication system
    *: The engine oil capacity is a reference quantity to be used when changing the engine oil. Warm up and turn off the engine, wait more than 5 minutes, and check the oil level on the dipstick. ■ Engine oil selection “Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use Toyo ...

    Inspection procedure
    Hint: if dtcs p0115, p0116, p0117, p0118 and p0125 are output simultaneously, the engine coolant temperature sensor circuit may be open or short. Perform the troubleshooting of dtc p0115, p0117 or p0118 first. Read freeze frame data using the hand-held tester or the obd ii scan to ...