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
4steps
~24min
2/5difficulty
Done 0 of 4
1 Check operation(starter)
  1. Check that the starter operates normally and that the engine starts.
2 Input signal check
2 Input signal check
Toyota Corolla. Input signal check
  1. See input signal check on page 05–745.
  2. check the indicator light when shifting into except d position.

    Ok: the indicator light goes off when shifting into except d position.

    3 Inspect terminal voltage(d)
3 Inspect terminal voltage(d)
Toyota Corolla. Inspect terminal voltage
  1. Turn the ignition switch to on.
  2. measure voltage between terminal 4 (d) of cruise control ecu assy connector and body ground when shifting into d position and other positions.

    Ok:

    4 Check harness and connector(between cruise control ecu assy
4 Check harness and connector(between cruise control ecu assy and park/neutral position switch)
  1. Check for open and short circuit in harness and connector between cruise control ecu assy and park/ neutral position switch
Check and replace cruise control ecu assy
Check and replace cruise control ecu assy

Test yourself

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