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:

    Foreword
    This repair manual has been prepared to provide essential information on body panel repair methods (including cutting and welding operations, but excluding painting) for the toyota corolla Applicable models: aze141 series zre142 series This manual consists of body repair methods, exploded diag ...

    Rear wheel alignment
    Inspection 1. Inspect tire 2. Measure vehicle height Notice: before inspecting the wheel alignment, adjust the vehicle height to the specified value. 3. Inspect toe–in Toe–in: usa, canada: Mexico: If the toe–in is not within the specified value, inspect and replace the susp ...

    Inside vehicle
    General maintenance Performing these maintenance checks on the vehicle in the owner’s responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In most cases, special tool are not requir ...