On Board Diagnostic (OBD) Program

On Board Diagnostic (OBD) program

Note:
^ All functions, which could previously be performed with V.A.G 1551 can also be performed with the tester VAS 5051.
^ Use V.A.G 1551 only with the most up-to-date program card (at least version 9. O).

Special tools and equipment





^ V.A.G 1551 Scan Tool or V.A.G 1552 vehicle system tester.





^ V.A.G 1 551/3B Adapter cable

Test requirements
^ The tires installed on all wheels must be of the same (approved) size; tires inflated to prescribed pressure.
^ Mechanical/hydraulic parts of the brake system including brake light switch and brake lights OK.
^ Hydraulic lines and connections not leaking (visual check of hydraulic unit, brake calipers, wheel cylinders, tandem master brake cylinder).
^ Wheel bearings and wheel bearing play OK.
^ ABS Control module -J104- is correctly bolted to ABS hydraulic unit -N55.
^ Connector on control module -J104 correctly plugged-in (retainer is engaged).
^ Check contacts of ABS components for damage and correct seating.
^ All fuses according to wiring diagram OK (remove fuse from fuse holder to check).
^ Supply voltage OK (at least 10.0 Volts).