Toyota Corolla Repair Manual: Ecm (1zz–fe)
Replacement
1. Disconnect battery negative terminal
2. Remove glove compartment door assy
3. Remove ecm
- Remove the 2 clips using a clip remover. Then, open the cover.
- Disconnect the 4 ecm connectors.
- remove the wire harness from the wire harness clamp.
- Remove the 2 bolts.
- unfasten the claw and clip, then remove the ecm.
4. Remove ecm cover
- Take the 2 double–sided adhesive tapes off the ecm, then remove the ecm cover.
5. Remove ecm bracket no.2 (Denso made)
- Remove the 2 screws, then remove the ecm bracket no.
2.
6. Remove ecm bracket no.1
- Remove the 2 screws, then remove the ecm bracket no.
7. Remove ecm bracket no.3 (Delco made)
- 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
- 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.
- The hand–held tester only.
- Connect the hand–held tester to the dlc3.
- Turn the ignition switch on.
- 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.
Throttle body assy
Components
Removal & installation and disassembly & reassembly
1. Drain coolant
2. Remove cylinder head cover no.2
Remove 2 nuts, 2clips and the cylinder head cover no. 2.
3. R ...
Fuel
...
Other materials:
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Folding the mirrors
Push the mirror back in the direction of the vehicle’s rear.
■Mirror angle can be adjusted when
► Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
►Vehicles with a smart key system
The engine switch is in ACCESSORY or IGNITION ON mode.
...
Inspection procedure
1 Check p/t squib(rh) circuit(airbag sensor assy center – front
seat outer belt assy rh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensioner ...