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:
Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the
airbag sensor assy center
in case the source voltage drops.
When the battery voltage drops, the voltage–increase circuit (dc–dc converter)
functions to increase the
voltage of the srs to normal voltage.
...
Replacement
1. Remove proportioning valve assy
Using sst, disconnect the 5 brake tubes from the proportioning
valve assy.
Sst 09023–00100
Remove the 2 bolts and proportioning valve assy from the
body.
2. Install proportioning valve assy
Install the proportioning valve assy w ...
Diagnostic trouble code chart
Terms
Terms
Physical address
Three–digit code (shown in hexadecimal) which is given to each
component comprising
the avc–lan.
Corresponding to the function, individual symbols are specified.
Logical address
Two–digit code (shown in hexadeci ...


