Connecting and Selecting Functions

VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions

Test requirements
- Parking brake applied.
- Vehicle voltage supply O.K.
- Voltage supply and fuses for particular system O.K.
Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder
- Ground connections for transmission O. K.
go to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder

- Check ground connections for corrosion and damaged connection, repair as needed.
go to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder
- Check battery ground strap and ground strap between battery and transmission.

Test procedure
- Switch ignition OFF.







- Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System with diagnostic lead VAS 5051/1.

Note: The Data Link Connector (DLC) is located at the left-side knee bolster.

CAUTION! Please observe safety precautions.

Note: If an error message appears in the display:

Go to Users Manual for VAS 5051 Vehicle Diagnosis, Measurement and Information System VAS 5051







Display on VAS 5051
- Touch "Vehicle OBD" button.







Display on VAS 5051

Note: By touching "00 Read DTC Memory Complete System" in the selection -1- the automatic test sequence is performed, i.e. a scan is performed of the DTC memory for all systems in the vehicle capable of OBD.

Depending on the desired function:
- Switch ignition ON.

Or

- Start engine.
- In selection -1- touch vehicle system "02 Transmission Electronics".
- Wait until next display appears on screen.







Display on VAS 5051:
1 - Control module identification number of the Transmission Control Module (TCM)







List of Selectable Functions