Connecting Fault Reader V.a.g 1551 And Selecting Functions - Volkswagen Golf 1998 Service Manual

Golf 1998 ➤
Automatic gearbox 01M self-diagnosis - Edition 10.1997
◆ V.A.G 1551/3A Cable
Additional information
◆ Workshop Manual Golf 1998 ä, Automatic gearbox 01M
◆ Binder: "Current flow diagrams, Electrical fault finding and Fitting locations Golf 1998 ▸
◆ Technical service handbook
◆ Parts catalogue

3.2 - Connecting fault reader V.A.G 1551 and selecting functions

Safety precautions
Observe following if test and measuring instruments are required during a test drive:
◆ Test and measuring instruments must be secured to rear seat and operated by a 2nd person from this
location.
If test and measuring instruments are operated from front passenger's seat and the vehicle is involved in
an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the
airbag is triggered.
Test conditions:
• Vehicle voltage supply in order.
• Fuses No. 07, 11, 15 and 31 in order.
• Fuse in main fuse box (110 amps.) in order.
• Earth connections for gearbox in order.
• Selector lever in position "P" and handbrake applied.
- Check earth connections for corrosion and poor contact; repair if necessary.
Earth connecting points are located in plenum chamber and below the battery in engine compartment.
- Check battery earth strap and earth strap between battery and gearbox.
- -> Remove diagnostic connection cover -1- .
- With ignition switched off, connect fault reader V.A.G 1551 with diagnosis cable V.A.G 1551/3A.
-> Indicated on display:
V.A.G - SELF-DIAGNOSIS
1 - Rapid data transfer1)
2 - Flash code output1)
1) appears alternately
◆ Additional operating instructions can be called up by pressing the HELP key of V.A.G 1551.
◆ The ⇒ key is used for advancing within the programme sequence.
18
01 - Self-diagnosis, Electrical check
HELP