Toyota Corolla Quiz
Diagnostics

Inspection procedure

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
9steps
~54min
2/5difficulty
Done 0 of 9
Hint

: troubleshoot each trouble symptom in accordance with the chart below.
Toyota Corolla. Inspection procedure
1 Clear dtc
  1. Connect the hand–held tester or the obd ii scan tool to the dlc 3.
  2. turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.
  3. read the dtc .
  4. clear the dtc .
  5. check that mil is not illuminated.

Standard: mil is not illuminated

2 Check harness and connector(check for short in wire harness)
2 Check harness and connector(check for short in wire harness)
Toyota Corolla. Check harness and connector
  1. Disconnect the e6 ecm connector.
  2. turn the ignition switch on.
  3. check that mil is not illuminated.

    Standard: mil is not illuminated

  4. reconnect the ecm connector.
    Check and repair harness and connector (combination meter – ecm)
Check and repair harness and connector (combination meter – ecm) 3 Check that mil is illuminated
  1. Check that mil is illuminated when turning the ignition switch on.

    Standard: mil is illuminated

4 Inspect combination meter assy (mil circuit)
4 Inspect combination meter assy (mil circuit)
  1. See the combination meter troubleshooting on page
Check and repair harness and connector (combination meter – ecm)

Test yourself

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