System function test faulty: Diagnosis/troubleshooting
WARNING: This page is about a different car, the 2006 Porsche Cayenne, 2005 Porsche Cayenne, 2004 Porsche Cayenne, and 2003 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS/TROUBLESHOOTING PROCEDURE
| Work instruction | Display OK | If not OK | |
|---|---|---|---|
| 1 | Erase fault memory with the 9718 PIWIS Tester, switch ignition off and then on again. Read out fault memory again after '5 minutes'. |
→ End | Go to Step 2 |
| 2 | Re-calibrate level adjustment control unit. Calibrating level adjustment control unit, refer to 43 K2 CALIBRATION - AS OF MY 2003 (ALL MODELS EXCEPT CAYENNE S TIO TITAN) . |
→ End | Go to Step 3 |
| 3 | If the fault recurs after re-calibrating the control unit, replace level adjustment control unit. | → End | |