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 d squib circuit consists of the airbag sensor assy center, spiral cable
sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd
step).
Wiring diagra ...
On–vehicle inspection
1. Inspect front axle hub bearing
remove the front wheel.
separate the front disc brake caliper assy .
remove the front disc.
inspect the bearing backlash.
Using a dial indicator, check the backlash near the
center of the axle hub.
Maximum: 0.05 Mm (0. ...
No sound is heard from speaker in all modes
Wiring diagram
Inspection procedure
1 Check lcd (liquid crystal display) for lighting
Lcd illumination check
turn the ignition switch acc.
Turn the radio receiver assembly on.
Standard: lcd illumination of the radio receiver assembly light.
2 Control fader and ...


