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
6steps
~36min
2/5difficulty
Done 0 of 6
1 Check security indicator light
Toyota Corolla. Check security indicator light
  1. Remove the security indicator.
  2. check the indicator light, as shown in the illustration and table.

Standard:

2 Check wire harness (tvip ecu  security indicator)
2 Check wire harness (tvip ecu security indicator)
Toyota Corolla. Check wire harness
  1. Disconnect the tvip ecu and security indicator connectors.
  2. check the continuity between the terminals of the tvip ecu connector and security indicator connector, as shown in the illustration and table.

Standard:

3 Check wire harness (security indicator  body ground)
3 Check wire harness (security indicator body ground)
Toyota Corolla. Check wire harness
  1. Disconnect the security indicator connector.
  2. check the continuity between the terminal of the security indicator connector and body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu
Check and replace tvip ecu

Test yourself

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