Toyota Corolla (E120): Problem symptoms table

The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.

Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Circuit inspection

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    Speedometer sensor (atm)
    Replacement 1. Remove air cleaner case 2. Remove air cleaner hose no.1 3. Remove speedometer sensor  disconnect the connector.  remove the bolt and speedometer sensor assembly.  remove the clip and driven gear from the speedometer sensor. 4. Install speedometer sensor ...

    Road test
    1. Problem symptom confirmation Taking into consideration the results of the customer problem analysis, try to reproduce the symptoms of the trouble. If the problem is that the transaxle does not shift up, shift down, or the shift point is too high or too low conduct the following road ...

    Replacement
    1. Discharge refrigerant from refrigeration system  turn the a/c switch on.  operating the cooler compressor at the engine rpm of approx. 1000 For 5 to 6 min., Circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much ...