Toyota Corolla (E120): Replacement
Hint
: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove parking brake hole cover sub–assy
4. Remove floor shift shift lever knob sub–assy (m/t transaxle)
5. Remove shifting hole cover sub–assy (m/t transaxle)
6. Remove console panel upper
7. Remove console box carpet
8. Remove rr console box
9. Remove air bag sensor assy center

- Disconnect the 3 connectors from the airbag sensor assy center.
- remove the 3 bolts and airbag sensor assy center.
10. Inspect air bag sensor assy center
11. Install air bag sensor assy center
- check that the ignition switch is turned to off.
- check that the battery negative terminal is disconnected.
Notice
: do not start the operation for 90 seconds after removing the terminal.
- temporarily install the airbag sensor assy center with the 3 bolts.
- tighten the 3 bolts to the specified torque.
Torque: 17.5 Nvm (178 kgfvcm, 13 ftvlbf)
- connect the connector to the airbag sensor assy center.
- check that no play is identified.
12. Inspect srs warning light
Other materials:
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 ...
Check dlc3
The vehicle’s ecm uses the iso 9141–2 for communication
protocol. The terminal arrangement of the dlc3 complies
with sae j1962 and matches the iso 9141–2 format.
Hint:
if the display shows unable to connect to vehicle
when you have connected the cable of the obd ii scan tool or
the h ...
Inspection procedure
1 Check security indicator light
Set the system in 30 seconds after filliping the security indicator to
check if the alarm is triggered.
2 Check glass breakage sensor ecu (glass breakage sensor)
Check the continuity and voltage of the glass breakage
sensor ecu, as shown in th ...


