Toyota Corolla Quiz
Diagnostics

How to proceed with troubleshooting

In this manual: Diagnostics
Introduction — 31Preparation — 32Service specifications — 19Diagnostics — 497Engine control system — 6Fuel — 13Emission control — 28Exhaust — 3Cooling — 13Lubrication — 7Ignition — 3Starting & charging — 13Front suspension — 12Rear suspension — 9Tire & wheel — 1Drive shaft / propeller shaft — 15Brake — 42Automatic transmission / trans — 47Clutch — 19Steering column — 9Power steering — 11Heater & air conditioner — 20Supplemental restraint system — 27Seat belt — 12Lighting — 18Wiper & washer — 9Audio & visual — 12Wiring — 1Communication system — 1Windshield/windowglass/mirror — 31Seat — 10Theft deterrent & door lock — 10Sliding roof/convertible — 8Engine hood/door — 12Exterior/interior trim — 20Vehicle control system — 1Cruise control — 5Maintenance — 8
~1min read

The hand–held tester can be used at step 4, 6, 8 and 9.

1 Vehicle brought to workshop
2 Customer problem analysis
2 Customer problem analysis
3 Warning light check
3 Warning light check
4 The dtcs check (present and past dtcs)
4 The dtcs check (present and past dtcs)
5 The dtcs chart
5 The dtcs chart
6 Circuit inspection
6 Circuit inspection
7 Repair
7 Repair
8 Clear the dtcs (present and past dtcs)
8 Clear the dtcs (present and past dtcs)
9 The dtcs check (present and past dtcs)
9 The dtcs check (present and past dtcs)
10 Symptom simulation
10 Symptom simulation
11 Confirmation test
11 Confirmation test
End
End Customer problem analysis check
Toyota Corolla. Customer problem analysis check

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.