A4 Mk1
Checking EGR
Checking EGR valve -N18
Special tools,
Fitting location => Fitting locations overview, Page 24-6 Note: Checking operation=> Reading measured value block display group 017, Page 01-143. Test requirements:
Checking internal resistance
|
Checking power supply
|
If the LED does not light up: |
|
=> "Current Flow Diagrams, Electrical Fault Finding and Fitting Locations" binder
Checking actuation |
|
If the LED lamp does not flash or if it lights up continuously:
|
=> "Current Flow Diagrams, Electrical Fault Finding and Fitting Locations" binder
|