volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Ignition Retardation During Transmission Range Selection, Check|Page 7236 > < Ignition Retardation During Transmission Range Selection, Check
Page 2
background image

NOTE:  It is possible that several gear changes must be performed before the Display in Display zone 3 jumps to 0 because the signal from the
automatic transmission is very brief 

If specification obtained 

-

Press -> button. 

-

Press 0 and 6 buttons to select Function 06: "End data transfer" 

-

Press Q button to enter input 

-

Switch OFF ignition. If display does not change: 

-

Connect VAG 1598/22 Test Box to Engine Control Module harness connector. 

-

Check wiring for open circuit between Test Box socket 23 and Automatic transmission using Wiring diagram. 
-

Wire resistance: Max. 1.5 Ohms

Ignition Retardation During Transmission Range Selection, Check|Page 7236 > < Ignition Retardation During Transmission Range Selection, Check