VAS 5051 Vehicle Diagnosis, Measurement and Information System, 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 Wiring Diagrams, Electrical Troubleshooting and Component Locations.
^ Ground connections for transmission O.K.
Refer to Wiring Diagrams, Electrical Troubleshooting and Component Locations.

- Check ground connections for corrosion and damaged connection, repair as needed.
Refer to Wiring Diagrams, Electrical Troubleshooting and Component Locations.
- 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 in 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 On Board Diagnostic System button.





Display on VAS 5051:

Note: By touching 00 - Scan DTC Memory - Complete System in the selection - I- the automatic test sequence is performed, i.e. a scan is performed of the DTC memory for all systems in the vehicle capable of On Board Diagnostic (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)