Toyota Corolla (E120): Ecm (1zz–fe)

Replacement

1. Disconnect battery negative terminal

2. Remove glove compartment door assy

3. Remove ecm

  1. Remove the 2 clips using a clip remover. Then, open the cover.

  1. Disconnect the 4 ecm connectors.
  2.  remove the wire harness from the wire harness clamp.

  1. Remove the 2 bolts.
  2.  unfasten the claw and clip, then remove the ecm.

4. Remove ecm cover

  1. Take the 2 double–sided adhesive tapes off the ecm, then remove the ecm cover.

5. Remove ecm bracket no.2 (Denso made)

  1. Remove the 2 screws, then remove the ecm bracket no.

    2.

6. Remove ecm bracket no.1

  1. Remove the 2 screws, then remove the ecm bracket no.

7. Remove ecm bracket no.3 (Delco made)

  1. Remove the 2 screws, then remove the ecm bracket no.

8. Install ecm bracket no.3 (Delco made) torque: 3.2 Nvm (33 kgfvcm, 28 in.Vlbf)

9. Install ecm bracket no.1 Torque: 3.2 Nvm (33 kgfvcm, 28 in.Vlbf)

10. Install ecm bracket no.2 (Denso made) torque: 3.2 Nvm (33 kgfvcm, 28 in.Vlbf)

11. Install ecm cover

  1. Install a new ecm cover to the ecm as shown in the illustration.

12. Install ecm torque: 3.0 Nvm (31 kgfvcm, 27 in.Vlbf)

13. Install glove compartment door assy

14. Connect battery negative terminal torque: 5.4 Nvm (55 kgfvcm, 48 in.Vlbf)

15. Reset memory (a/t transaxle)

Caution

: perform the reset memory (at initialization) when replacing the ecm, engine assembly or automatic transaxle assembly.

  1. The hand–held tester only.
  1.  Connect the hand–held tester to the dlc3.
  2.  Turn the ignition switch on.
  3.  Perform the reset memory procedure from the engine menu.

Caution

: after performing the reset memory, be sure to perform the road test as described earlier.

    Share this page:

    Other materials:

    Overhaul
    Caution: wear the gloves, because the cutting surface of the seat back frame and seat adjuster may injure your hand. Hint: tape the screwdriver tip before use when prying parts. 1. Disconnect battery negative terminal Caution: wait for 90 seconds after disconnecting the battery terminal a ...

    Floor shift cable transmission control select
    Replacement Hint: components: 1. Remove air conditioner unit assy Hint: refer to the instructions for removal of the air conditioner unit assy. 2. Separate air bag sensor assy center  remove the 3 bolts, separate the airbag sensor assy center. 3. Remove exhaust pipe assy 4. Remo ...

    Driving support system information display
    ■ Driving support system information Select to display the operational status of the following systems: LTA (Lane Tracing Assist) LDA (Lane Departure Alertl) Dynamic radar cruise control ■ Navigation system-linked display (if equipped) Select to display the following navigation system-linke ...