Toyota Corolla (E120): How to proceed with troubleshooting

1 Vehicle brought to workshop

2 Customer problem analysis

2 Customer problem analysis

3 Check and clear dtcs and freeze frame data

3 Check and clear dtcs and freeze frame data

4 Problem symptom confirmation

4 Problem symptom confirmation

step 5Symptom does not occur: go to step 5

5 Symptom simulationSymptom occurs: go to step 6

5 Symptom simulation

6 Dtc check

6 Dtc check

output: go to step 7

There is no output: go to step 7

7 Problem symptoms tableThere is output: go to step 8

7 Problem symptoms table

to step 10Check for fluid leakage and go to step 10

8 Dtc chart

9 Circuit inspection

9 Circuit inspection

Hint

: when 2 or more dtc’s are recorded, and the problem is not identified, perform circuit inspection of the other dtc’s.

10 Identification of problem

10 Identification of problem

11 Repair

11 Repair

12 Comfirmation test

12 Comfirmation test

End

End

Hint

: step 3, 6, 9, 12: diagnostic steps permitting the use of the hand–held tester.

Fail safe function:

when a failure occurs in the abs system, the abs warning light is lit and the abs operation is prohibited.

In addition to this, when the failure which disables the ebd operation occurs, the brake warning light is lit as well and the ebd operation is prohibited.

    Share this page:

    Other materials:

    Continuously variable transmission (vehicles without paddle shift switches)
    Select the shift position depending on your purpose and situation. Shift position purpose and functions P - Parking the vehicle/ starting the engine R - Reversing N - Neutral (Condition in which the power is not transmitted) D - Normal driving* B - Applying moderate engine braking driving down hills ...

    Operating instructions
    Turning the end of the lever turns on the lights as follows: ► Type A 1 The daytime running lights turn on. 2 The side marker, parking, tail, license plate, daytime running lights and instrument panel lights turn on. 3 The headlights and all the lights listed above (except daytime ...

    Battery
    Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. Terminals Hold-down clamp ■Before recharging When recharging, the battery produces hydrogen gas which is flammable and exp ...