Toyota Corolla (E120): Diagnostic trouble code chart

Notice

: when removing the part, turn the ignition switch to off.

Hint

: using sst 09843–18040, it connect the terminal tc and cg of dlc3.

If any abnormality is not found when inspecting parts, inspect the ecu and ground points for poor contact.

If a malfunction code is displayed during the dtc check, check the circuit listed that code. For details of each code, turn to the page referred to under the ”” for respective ”dtc no.” In the dtc chart.

When 2 or more dtc’s are recorded, and the problem is not identified, perform circuit inspection of the other dtc’s.

Dtc of speed sensor check function:

Dtc of speed sensor check function:

Location

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    Spiral cable sub–assy
    Components Replacement Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Place front wheels facing straight ahead  check that the front wheels are facing straight ahead. 4. Remove horn button assy 5. Remove steering wheel assy  sst 09950–50013 ...

    Moon roof
    Use the overhead switches to open and close the moon roof and tilt it up and down. Operating the moon roof ■ Opening and closing Opens the moon roof* The moon roof stops slightly before the fully open position to reduce wind noise. Press the switch again to fully open the moon roof. Closes ...

    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 ...