Clockspring Assembly / Spiral Cable: Service and Repair
WM 695419 Removing and installing contact unit for airbag
Preliminary work
1. Remove driver's airbag unit. -> 695819 Removing and installing driver's airbag unit - "Removing" section 695819 Removing and Installing Driver's Airbag Unit
2. Remove steering wheel. -> 481019 Removing and installing steering wheel - "Removing" section 48101900 Removing and installing steering wheel
3. Remove steering column trim. -> 481319 Removing and installing steering column trim - "Removing" section 48131900 Removing and Installing Steering Column Trim
4. Remove and disassemble steering column switch. -> 945019 Removing and installing steering column switch - "Removing" section Service and Repair
Removing contact unit for airbag
CAUTION
Incorrect handling of airbag units.
- Danger of injury and material damage.
-> Always observe the safety regulations for handling airbag units -> 69 Safety regulations for vehicles with airbag and belt tensioner
Information
- Ensure that arrow -arrow A- of the rotor is positioned between the markings -arrow B- of the arrows -arrow C- of the airbag contact unit and that the locking element -arrow D- is engaged.
Contact unit single parts
Overview of contact unit for airbag
1. Carefully lift up the three retaining tabs and remove airbag contact unit.
Lifting retaining lugs and removing contact unit
Installing contact unit for airbag
CAUTION
Risk of damaging airbag contact unit.
- If the contact unit has been adjusted, proceed in accordance with the following work instruction:
-> To position the airbag contact unit in the central position, press the locking element and turn the rotor carefully to the left as far as it will go.
-> Then turn the rotor carefully to the right, approx. 3.5 to 3.75 revolutions, until the band printed on one side is visible in the window.
1. Position airbag contact unit and press onto the steering column switch until the three tabs engage.
Positioning and engaging contact unit
Calibrating steering-angle sensor
Information
- The steering-angle sensor must be re-calibrated after replacing the airbag contact unit.
- To correctly calibrate the steering angle sensor, the vehicle must be on the measuring platform.
The steering angle sensor must be calibrated using the menu with Porsche System Tester under the specified test conditions:
Running gear set according to Porsche specifications. -> 44 Suspension alignment, complete
Wheels in straight-ahead position and steering wheel horizontal.
In the straight-ahead position, the steering wheel may be turned by max. +/-2.0° from the horizontal position (steering centre position).
1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition. Continue with >> key.
2. Select vehicle type. Continue with >> key.
3. Select the PSM control unit and activate using the >> key.
4. Select Actual values and activate with the >> key.
5. Select Security code and activate with the >> key.
6. Note the security code and use the << key to go back to the calibration.
7. Select Calibration and activate with the >> key.
8. Input Security code and activate with the >> key.
9. Activate security code using the F7 key.
10. Select Steering-angle sensor and activate with the >> key.
11. Read safety instructions and activate with the F7 key.
12. After successful calibration, the stored fault code is erased from the fault memory. The PSM indicator light in the instrument cluster goes out.
13. Read out the fault memory and, if necessary, erase it.
Subsequent work
1. Assemble and install steering column switch -> 945019 Removing and installing steering column switch - "Installing" section Service and Repair
2. Install steering column trim. -> 481319 Removing and installing steering column trim - "Installing" section 48131900 Removing and Installing Steering Column Trim
3. Install steering wheel. -> 481019 Removing and installing steering wheel - "Installing" section 48101900 Removing and installing steering wheel
4. Install driver's airbag unit. -> 695819 Removing and installing driver's airbag unit - "Installing" section 695819 Removing and Installing Driver's Airbag Unit
5. Steering-angle sensor calibration