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:

    Front differential oil seal (atm)
    Replacement 1. Remove front wheels 2. Remove engine under cover rh 3. Remove engine under cover lh 4. Drain automatic transaxle fluid  remove the drain plug, gasket and drain atf.  install a new gasket and drain plug. Torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf) 5. Remove fron ...

    Inspection
    1. Power window system circuit 2. Inspect power window regulator master switch assy Inspect the master switch continuity. [Driver’s switch (window unlock and lock)] Standard: [Front passenger’s switch (window unlock)] standard: [Front passenger’s switch (window lock)] ...

    Inspection procedure
    1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (–) lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay conti ...