Toyota Corolla Repair Manual: Inspection procedure
1 Prepare for inspection
- Disconnect the negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
- remove the horn button assy .
- disconnect the connector of the instrument panel passenger airbag assy
.
- disconnect the connector of the front seat airbag assy rh and lh .
- disconnect the connector of the seat belt pretensioner rh and lh .
- disconnect the connectors of the airbag sensor assy center .
- disconnect the connector of the airbag front rh sensor and airbag
sensor front lh (
and 60–42).
- disconnect the connector of the side airbag sensor assy rh and lh
- disconnect the connector of the seat position airbag sensor .
Caution
:
store the horn button assy, instrument panel passenger airbag assy and front
seat airbag assy with
the front surface facing upward.

2 Check source voltage

- 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 60 seconds.
- measure the voltage between e1 (e2) and terminal ig2
on the sensor and operate electric system (defogger, wiper,
headlight, heater blower, etc.).
Ok:
voltage: 10 – 14 v


3 Check srs warning light turn off
- Turn the ignition switch to lock.
- disconnect the negative (–) terminal cable from the battery, and
wait at least for 90 seconds.
- connect the horn button assy connectors.
- connect the instrument panel passenger airbag assy connector.
- connect the front seat airbag assy rh and lh connectors.
- connect the seat belt pretensioner rh and lh connectors.
- connect the airbag sensor assy center connectors
- connect the front airbag sensor rh and lh connectors.
- connect the side airbag sensor assy rh and lh connectors.
- connect the seat position airbag sensor connector.
- connect the negative (–) terminal cable to the battery.
- turn the ignition switch to on, and wait at least for 60 seconds.
- operate electric system (defogger, wiper headlight, heater blower,
etc.) And check that srs warning
light goes off.
Ok:
srs warning light is not light up.


4 Check air bag sensor assy center
Sst 09843–18040
- Turn the ignition switch to lock.
- disconnect the negative (–) terminal cable from the battery, and
wait at least for 90 seconds.
- 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 is not output.


Use simulation method to check
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 circ ...
Other materials:
Inspection procedure
Hint:
the switch described in this text is a switch for transmitting signals which is
built in the door control transmitter.
1 Check wireless door lock control functions
Normal
2 Replace transmitter battery with normal one
After replacing the transmitter battery with a new or normal o ...
Abbreviations used in this manual
...
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning
efficiency.
Removal method
1Turn the engine switch off.
2 Open the glove box. Slide off the damper.
3 Push in the glove box on the vehicle’s outer side to disconnect the claws.
Then pull out the glove box an ...