Toyota Corolla (E120): Diagnosis circuit

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Inspection procedure
1 Inspect skid control ecu connector(+bs terminal voltage) Disconnect the skid control ecu connector.  measure the voltage between terminals +bs (2) and gnd (1, 23) of skid control ecu harness side connector. Voltage: 10 – 14 v 2 Reconfirm dtc Check the dtc . Ok : ...

Inspection procedure
1 Check tvip ecu Check that the operation of the tvip function is normal. Hint: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not. 2 Check wire harness (tvip ecu integration relay) Disconnect the tvip ecu and integration relay connectors. ch ...

Circuit description
When driving uphill under cruise control, in order to reduce the number of shifting due to on–off overdrive operation and to provide smooth driving, when down shifting in the electronically controlled transmission occurs, a signal to prevent upshift until the end of the uphill slope is sent ...