Toyota Corolla (E120): Inspection procedure

1 Inspect terminal voltage(idl)

  1. Remove the cruise control ecu assy with connector still connected.
  2.  disconnect the ecm connector.
  3.  turn the ignition switch to on.
  4.  measure voltage between terminal 13 (idl) of cruise control ecu assy connector and body ground when the throttle valve is fully closed and fully opened.

    Ok:

2 Check harness and connector(between cruise control ecu assy

2 Check harness and connector(between cruise control ecu assy and ecm)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and ecm

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

    Share this page:

    Other materials:

    Inspection procedure
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using the hand–held tester. 1 Read value of hand–held tester(front speed sensor) Select the datalist mode on the hand–held tester.  check that there is no differe ...

    PDA (Proactive driving assist)
    When a detectable object is detected, the proactive driving assist operates the brakes and steering wheel to help prevent the vehicle from approaching too close to the object. WARNING ■For safe use Driving safely is solely the responsibility of the driver. The proactive driving assist is design ...

    Emergency flashers
    The emergency flashers are used to warn other drivers when the vehicle has to be stopped on the road due to a breakdown, etc. Operating instructions Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. ■Emergency flashers If the emergency fla ...