Toyota Corolla (E120): Problem symptoms table

If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.

Notice

: when replacing skid control ecu, sensor or etc., Turn the ignition switch to off.

Right/Left front speed sensor circuit

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    Circuit description
    A thermistor is built in the engine coolant temperature sensor and changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as those of the intake air temperature sensor. Hint: if the ecm detects the dtc ...

    Pre–check
    1. Diagnosis check Starting diagnosis mode (service check mode)  turn off the audio system and turn the ig switch to acc. While pressing the preset switches ”1” and ”6” at the same time, press ”cd” 3 times. Reference: beep sound is given 3 times and the sys ...

    Overhaul
    Hint: components: 1. Remove rear wheel 2. Remove spare wheel cover assy 3. Remove rear floor finish plate 4. Remove luggage compartment trim cover inner lh 5. Remove rear shock absorber with coil spring Support the rear axle beam with jack. Remove the 2 nuts and bolt. ...