Toyota Corolla (E120) 2002–2008 Repair Manual / Supplemental restraint system / Spiral cable sub–assy
Toyota Corolla (E120): Spiral cable sub–assy
Components
Replacement
Hint
: components:
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
- check that the front wheels are facing straight ahead.
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021)
6. Remove steering column cover
7. Remove spiral cable sub–assy

- Disconnect the airbag connector and the connector from the spiral cable sub–assy.
- release the 3 claws and remove the spiral cable sub– assy.
8. Inspect spiral cable sub–assy
- if the following condition is identified, replace the spiral cable sub–assy with a new one.
Condition
: scratches or cracks on the connector cracks, dents or chipping of the spiral cable sub–assy
9. Place front wheels facing straight ahead
- check that the front wheels are facing straight ahead.
10. Install spiral cable sub–assy
- set the turn signal switch in neutral position.
Notice
: make sure of the neutral position since the pin of the turn signal switch may be snapped.
- engage the 3 claws and install the spiral cable sub–assy.
Notice
: when replacing the spiral cable sub–assy with a new one, remove the lock pin before installing the handle.
- connect the airbag connector and the connector connecting to the spiral cable sub–assy.
- install the steering column cover with the 3 screws.
11. Center spiral cable
- check that the ignition switch is turned to off.
- check that the battery negative terminal is disconnected.
Notice
: do not start the operation for 90 seconds after removing the terminal.

- Turn the cable counterclockwise by hand until it becomes harder to turn.
Hint
: the cable will rotate about 2.5 Turns to either left or right of the center.

- Then rotate the cable clockwise about 2.5 Turns to align the marks.
12. Install steering wheel assy
torque: 50 nvm (510 kgfvcm, 37 ftvlbf)
13. Install horn button assy
torque: 8.8 Nvm (90 kgfvcm, 78 in.Vlbf)
14. Inspect horn button assy
15. Inspect srs warning light
Other materials:
Circuit description
The throttle position sensor is mounted in the throttle body and
detects the throttle valve opening angle.
When the throttle valve is fully closed, a voltage of approximately
0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage
applied to terminal vta of the ecm increases in pro ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...


