8005 PCM2 - gateway: Diagnosis/troubleshooting
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING (8005 PCM2 - GATEWAY)
| Work instruction |
Display OK |
If not OK |
| 1 |
Read out PCM2 fault memory. |
- Connect the Porsche System Tester II 9588 to the diagnostic socket, start it and switch on the ignition.
- Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
- Select PCM in the Control modules menu and confirm with the "FORWORD" key.
- Select PCM2 GW in the PCM2 function selection and confirm with the "FORWORD" key.
- Click the "FORWORD" key in the Fault memory menu.
- Read out fault memory.
- Clear fault memory.
- Remove ignition key and switch on ignition again.
- Read out fault memory.
- Extract ambient data, press the "FORWORD" key.
|
The fault is remedied.
-> End. |
Step 2. |
| 2 |
Check CAN comfort (high) for open circuit. |
- Switch off the ignition.
- Pull off plug C on the PCM2.
- Pull off plug A on the instrument cluster control module.
- Pull off plug B on the air-conditioning system control module.
- Measure specific resistance between pin 1 of plug C on the PCM2 control module and pin 14 of plug A on the instrument cluster control module.
|
< 0.5.
Step 3. |
Repair open circuit in wiring harness.
-> End. |
| 3 |
Check CAN comfort (low) for open circuit. |
- Measure specific resistance between pin 2 of plug C on the PCM2 control module and pin 15 of plug A on the instrument cluster control module.
|
< 0.5.
Step 4. |
Repair open circuit in wiring harness.
-> End. |
| 4 |
|
-> End. |