Troubleshooting With No Control Module Connected
Troubleshooting with no control module connectedNOTE: 9588 Porsche System Tester II and 'Tiptronic control unit' are not connected
Overview
Diagnostic conditions
- Ignition on
- The fuses of the 'Tiptronic control unit' are OK
- Battery voltage is OK
- Plug on 'Tiptronic control unit' fitted correctly
- Battery for 9588 Porsche System Tester II charged
Possible cause of fault
- Incorrect vehicle type selected in 9588 Porsche System Tester II
- 9588 Porsche System Tester II is not connected correctly or is faulty
- Power supply to the 'Tiptronic control unit' is not OK
- 'K-line' to 'Tiptronic control unit' faulty
- 'CAN drive' does not function
- 'Tiptronic control unit' does not function
Affected pins
Tiptronic control module plug:
- Pin 27 'terminal 15 power supply via fuse F51/fuse carrier at right of dashboard'
- Pin 28 'terminal 15 power supply via fuse F51/fuse carrier at right of dashboard'
- Pin 3 'terminal 30 power supply via fuse F29/fuse carrier at right of dashboard'
- Pin 1 'ground from body ground pin MB26'
- Pin 2 'ground from body ground pin MB26'
- Pin 46 'CAN drive (high)'
- Pin 34 'CAN drive (low)'
Diagnostic box in driver's footwell
Diagnosis/troubleshooting G 0210
