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
2steps
~12min
1/5difficulty
Done 0 of 2
1 Check tvip ecu
  1. Check that the operation of the tvip function is normal.
Hint

: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not.
2 Check wire harness (tvip ecu integration relay)
2 Check wire harness (tvip ecu integration relay)
Toyota Corolla. Check wire harness
  1. Disconnect the tvip ecu and integration relay connectors.
  2. check the continuity between the terminal of the tvip ecu connector and integration relay connectors, 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.