Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Source voltage drop / Inspection procedure
Toyota Corolla (E120): 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
Other materials:
Before driving
Floor mat
Use only floor mats designed specifically for vehicles of the same model and
model year as your vehicle. Fix them securely in place onto the carpet.
1 Insert the retaining hooks (clips) into the floor mat eyelets.
2 Turn the upper knob of each retaining hook (clip) to secure the flo ...
Operating instructions
Turning the end of the lever turns on the lights as follows:
► Type A
1 The daytime running lights turn
on.
2 The side marker, parking, tail,
license plate, daytime running lights and instrument panel lights turn on.
3 The headlights and all the lights
listed above (except daytime ...
Starting the engine
1 Continuously variable transmission: Ensure that the shift lever is in P and
depress the brake pedal.
Manual transmission: Shift the shift lever to N and depress the clutch pedal.
2 Touch the Toyota emblem side of the electronic key to the engine switch.
When the electronic key is detected, a ...


