Toyota Tacoma manuals

Toyota Corolla Repair Manual: Ecm (1zzfe)

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 doublesided 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 handheld tester only.
  1.  Connect the handheld 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.

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