Toyota Corolla (E120): Tc terminal circuit

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Circuit description
The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage applied to terminal vta of the ecm increases in pro ...

Inspection procedure
1 Reconfirm dtc Check the dtc 2 Inspect skid control ecu connector securely connected 3 Inspect skid control ecu connector(ig1 terminal voltage) In case of using hand–held tester:  check the voltage condition output from the ecu displayed on the hand–held tester. O ...

Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ■Warning buzzer ...