Clock: Service and Repair

Removing And Installing Stopwatch

Tools







Removing stopwatch












1. Insert a plastic spatula between the dashboard and the stopwatch. Lift up the stopwatch until its four clips unclip from the dashboard.







2. Release electric connector -a- and pull away from the stopwatch.







3. Turn the stopwatch around, unscrew the four fastening screws, remove the cover and take the stopwatch out of its holder.

Installing stopwatch







1. Insert the stopwatch into the holder and attach it.
2. Position the cover and screw down with the fastening screws.







3. Insert electrical connector into stopwatch until it is felt to engage.







4. Run electrical lead into the dashboard, position the stopwatch with its cover over the dashboard and clip in the four clips.

Programming stopwatch

Reading out and writing stopwatch values

WARNING:
Sudden voltage interruption of the power supply to the control module.
- Destruction of the control module.
- During programming, it is essential to guarantee the power supply for the Porsche System tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
- Prior to disconnecting the control module, switch off the ignition and remove the ignition key.

INFORMATION:
- The PIWIS Tester 9718 instructions take precedence since the description may be different with later Tester releases.
- The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS Tester 9718.

1. Connect the Porsche System tester to the vehicle and start the System tester. Switch on ignition. >> Continue.
2. Select the vehicle type.
3. Switch from the vehicle type to the list of control units.
4. Select Stopwatch with the cursor keys and press the >> key.
5. Select Control unit replacement with the cursor keys and press the >> key.
6. Select Read out values (codings) with the cursor keys and press >>.
7. The message Codes successfully read out appears on the screen of the Porsche System tester. Press >>.
8. Switch off ignition and replace control unit.
9. Switch on ignition, switch to the Special functions menu and perform the Vehicle handover using the F8 key.
10. In the Special functions menu, erase All fault memories by pressing >>.
11. Carry out automatic search of control units.
12. In the menu Write in data >>, the data read-out is installed.
13. System tester displays Coding write-in complete >>.
14. Quit menu, check operation of stopwatch and read out fault memory.

Coding stopwatch

WARNING:
Sudden voltage interruption of the power supply to the control module.
- Destruction of the control module.
- During programming, it is essential to guarantee the power supply for the Porsche System tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
- Prior to disconnecting the control module, switch off the ignition and remove the ignition key.

INFORMATION:
- The PIWIS Tester 9718 instructions take precedence since the description may be different with later Tester releases.
- The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS Tester 9718.
- The procedure described must be applied when a control unit has to be replaced and the tester function Control unit replacement cannot be used.

1. Connect the PIWIS tester 9718 to the vehicle and start it. Switch on the ignition. >> Continue.
2. Select the vehicle type.
3. Switch to the Special functions menu and perform the vehicle handover using the F8 key.
4. In the Special functions menu, erase All fault memories by pressing >>.
5. Carry out automatic search of control units.
6. Using the >> key, move from the vehicle type to the list of control units.
7. Select Stopwatch with the cursor keys and press the >>.

INFORMATION: The codings will be optimized with later versions of the tester software; the coding scope documented here serves as a guide.

8. Select Stopwatch with the cursor keys and press the >>.

Illumination settings: Default
Illumination off
Time constant brighter Reference value >> 3.2
Time constant darker Reference value >> 12.8

9. Quit menu, check operation of stopwatch and read out fault memory.