Testing Wiring Connection Between 88-Pin TCM and Transmission

Perform this test if:
- the Output Diagnostic Test Mode indicates malfunctions in or between transmission and Transmission Control Module -J217-
- the electrical test indicates malfunctions in or between transmission and Transmission Control Module -J217-

Test requirements
- Ignition switched off
- Connect test box VAG 1598 with adapter cable VAG 1598/20 only to the 88-pin connector of the transmission wiring harness.
- Read test box VAG 1598 outside of the car.





- Remove noise insulation panel.
- Remove bracket -1- for noise insulation panel.





- Release bayonet lock of 16-pin connector of transmission by turning it.





- Test wiring connections with digital multimeter Fluke 83 (US 1119) between the contacts of 16-pin connector and sockets of test box VAG 1598 for continuity. Refer to Resistances table.








Notes:
- If this test of the wiring connection does not reveal any impermissible differences, it is then necessary to test the wiring harness in the transmission; Removing and installing valve body.
- Do not replace the corresponding solenoid valves until after satisfactory testing the wiring harness in transmission; Removing and installing valve body.