Toyota Corolla Quiz
Diagnostics

Fail–safe chart

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
5steps
~30min
2/5difficulty
Done 0 of 5

If any of the following codes is recorded, the ecm enters the fail–safe mode.

Toyota Corolla. Fail–safe chart
Check for intermittent problems Hand–held tester only:

by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is possible instead of the 2 trip detection logic, and the sensitivity to detect faults is increased. This makes it easier to detect intermittent problems.
  1. Clear the dtcs .
  2. set the check mode .
  3. perform a simulation test .
  4. check the connector and terminal .
  5. wiggle the harness and connector

Test yourself

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