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:
Circuit description
The vehicle speed sensor circuit is sent to cruise control ecu assy as a
vehicle speed signal. For each rotation
of the shaft, the vehicle speed sensor sends a signal through the combination
meter assembly to the
cruise control ecu assy (see the following chart). The cruise control ecu assy
...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...
Precaution
1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery while the engine is running.
5. Check that ...


