Toyota Corolla (E120): Problem symptoms table

Problem symptoms table use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

On–vehicle inspection

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    Oxygen / af sensor heater monitor
    Preconditions The monitor will not run unless: mil is off  drive pattern  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.  Start the engine and allow it to idle for 9 minutes.  Drive the vehicle at 25 mph (40 km ...

    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 Inspect dlc3 terminal voltage Turn the ignition switch to on.  measure voltage between terminals 13 (tc) and 4 (cg) of dlc3. Ok: voltage: 10 – 16 v 2 Check harness and connector(between cruise control ecu assy and dlc3) Check for open and short circuit in harness ...