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 courtesy lamp switch
Toyota Corolla. Check courtesy lamp switch
  1. Check the courtesy switch, as shown in the illustration and table.

Standard:

2 Check wire harness (integration relay  door courtesy sw)
2 Check wire harness (integration relay door courtesy sw)
Toyota Corolla. Check wire harness
  1. Disconnect the integration relay and door courtesy connectors.
  2. check the continuity between the terminals of the integration relay and door courtesy switch connectors, as shown in the illustration and table.

Standard:

Toyota Corolla. Check wire harness
  1. Disconnect the each door courtesy switch connectors.
  2. check the continuity between the terminals of the integration relay and door courtesy switch connectors, as shown in the illustration and table.

Standard:

3 Check wire harness (tvip ecu  luggage compartment light sw)
3 Check wire harness (tvip ecu luggage compartment light sw)
Toyota Corolla. Check wire harness
  1. Disconnect the tvip ecu and luggage comportment light switch connectors.
  2. check the continuity between the terminals of the tvip ecu and luggage compartment light switch connectors, as shown in the illustration and table.

Standard:

Proceed to next circuit inspection shown on problem symptoms table
Proceed to next circuit inspection shown on problem symptoms table

Test yourself

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