Reading and Clearing Diagnostic Trouble Codes

Air Conditioning H02

Diagnosis/troubleshooting
- The errors entered are indicated using the Porsche fault code and as clear text.
- The fault memory Info key [F8] on the Porsche System Tester II No. 9588 can be used to access the extended fault memory. This information should be saved using the [F4] key and printed out. The following information can be displayed:

Fault type
The following fault types are possible:
- - (No details available)
- Short circuit to B+
- Short circuit to ground
- Signal implausible
- No reaction to activation
- Voltage deviation too small
- Voltage deviation too large

Occurrence of faults
The fault occurred as follows:
- statistically (i.e, once)
- sporadically (i.e, more than once)

Fault status
The following status types are possible:
- available (at the time of the last diagnosis routine)
- not available (at the time of the last diagnosis routine)