Toyota Corolla (E120): Inspection procedure
1 Check airbag sensor assy center connector
- Disconnect negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- check the connection of the airbag sensor assy center connectors.


2 Check air bag sensor assy center
Sst 09843–18040

- Connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.
- turn the ignition switch to on, and wait at least for 20 seconds.
- clear the dtc stored in memory .
- turn the ignition switch to lock, and wait at least for 20 seconds.
- ) turn the ignition switch to on, and wait at least for 20 seconds.
- check the dtc .
Ok: dtc b1135/24 is not output.
Hint
: codes other than code b1135/24 may be output at this time, but they are not relevant to this check.


3 Check perform a visual check of the disconnection detection pin

- Turn the ignition switch to lock.
- disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.
- with 3 connectors connected to the airbag sensor assy
center, place tester leads onto any 2 of 3 disconnection
detection pins and check for continuity.
Ok: continuity


Replace air bag sensor assy center
Other materials:
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 pretensio ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
Symptom does not occur (go to
step 5)
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Confirmation test
End
...
Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control
valve (ocv) and the vvt controller.
The ecm sends a target ”duty–cycle” control signal to the ocv. This control
signal, applied to the ocv,
regulates the oil pressure supplied to the vvt controller. Camshaft timin ...


