Automatic Transmission Signal, Checking

Special Tools, Testers And Auxiliary Items
- VAG 1551/1552 Scan Tool With VAG 1551/3 Adapter Cable
- VAG 1598/18 Test Box
- Multimeter (Fluke 83 Or Equivalent)
- Connector Test Kit VW 1594
- Wiring Diagram

Test Sequence
- Engine running at idle
- Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01.

Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"

Rapid data transfer HELP
Select function XX

Function 08 and press -Q- button to confirm input.

Indicated on display

Read Measuring Value block HELP
Input display group number XXX

- Press buttons -0-, -0- and -8-for display group 008 and press -Q- button to confirm input.

Indicated on display (1-4 Display fields)

Read Measuring Value Block 8-->
1 2 3 4

- Check the signals from automatic transmission (display field 2):




Display Group 008: ECM Signals

Continuation
If the display does not read as described:
- Check the wiring between ECM (terminals 07, 11, 18 and 21) and Transmission Control Module according to wiring diagram.