Toyota Corolla (E120): Wiring diagram

1 Inspect terminal voltage(pi) (a) turn

  1. Turn the ignition switch to on.
  2.  measure voltage between terminal 5 (pi) of cruise control ecu assy and body ground, when the cruise control main switch button is on and off.

    Ok:

2 Inspect combination meter assy

2 Inspect combination meter assy

3 Check harness and connector(between cruise control ecu assy

3 Check harness and connector(between cruise control ecu assy and combination meter assembly)

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

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 Perform active test by hand–held tester(abs motor relay) Check the operation sound of the abs motor individually when operaing it with the ...

    On–vehicle inspection
    1. Inspect w/receiver condenser assy  if a fin of the w/receiver condenser assy is dirty, clean it with water and dry it with compressor air. Notice: do not damage the fin of the w/receiver condenser assy.  if a fin of the w/receiver condenser assy is bent, make it straig ...

    Maintenance requirements
    To ensure safe and economical driving, day-to-day care and regular maintenance are essential. It is the owner’s responsibility to perform regular checks. Toyota recommends the following maintenance: General maintenance General maintenance should be performed on a daily basis. This can be don ...