Toyota Corolla (E120): Inspection procedure

Hint

: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.

1 Check operation of speedometer

  1. Drive the vehicle and check if the operation of the speedometer in the combination meter is normal.

Hint

: the vehicle speed sensor is operating normally if the speedometer display is normal.

2 Inspect ecm(spd voltage)

2 Inspect ecm(spd voltage)

  1. Shift the lever to the neutral position.
  2.  jack up the vehicle.
  3.  turn the ignition switch on.
  4.  check the voltage between the terminals of the e4 and e5 ecm connectors as the wheel is turned slowly.

Standard:

Hint:

Hint

: the output voltage should fluctuate up and down similarly to the diagram on the left when the wheel is turned slowly.

Replace ecm

Replace ecm

    Share this page:

    Other materials:

    Exhaust gas precautions
    Harmful substance to the human body is included in exhaust gases if inhaled. WARNING Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the following precautions. Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident caused ...

    Basic repair hint
    (A) hints on operations 1 Looks Always wear a clean uniform. Hat and safety shoes must be worn. 2 Vehicle protection Set a grill cover, fender cover, seat cover and floor mat before starting the operation. 3 Safe ...

    Playing audio CDs and MP3/WMA discs
    CD player operation Insert a disc or press to begin listening to a disc. 1 Power 2 Volume 3 Eject a disc 4 Repeat play 5 Random playback 6 Select a track/file or display track/folder list 7 Displays text message 8 Playback 9 Select a folder (MP3/WMA discs only), fast-forward or revers ...