A4 Quattro Wagon V6-2.8L (AHA) (1998)
-
Switch ignition off.
Evaluation of display group 55
Display Group 55
Explanation of 4-digit display
Continuation
-
Switch ignition off.
-
Connect VAG1598/22 test box to ECM harness connector. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting
VAG 1598/22 Test Box" See: Computers and Control Systems/Testing and Inspection
-
Switch ignition on.
-
With throttle valve in closed throttle position, connect multimeter US1119 (Fluke 83 or equivalent), and check resistance between ECM/test box
sockets 59 and 66.
Specified value: 3-200 Ohms
If resistance is NOT OK:
-
Disconnect 8-pin harness connector from throttle valve control module -J338-.