90 Quattro Sport V6-2.8L (AFC) (1995)
^
The -> button is used to advance to the next step in the program.
^
Press button 1 for "Rapid data transfer" mode
Display appears as shown:
Rapid data transfer
HELP
Enter address word XX
-
Press buttons 0 and 3.
(03 enters address word "Brake electronics").
Display appears as shown:
Rapid data transfer
Q
03 - Brake Electronics
-
Confirm input with button Q
Control Module identification appears on display.
Display appears as shown:
4A0 907 379 D Brake Electronics
Notes:
^
The "D"suffix in the Control Module identification indicates an ABS Control Module with wheel speed outputs (e.g. vehicles with automatic
transmission); the absence of a suffix indicates no wheel speed outputs.
^
Also check parts list for identification of appropriate ABS Control Module - J104.
If Display appears as shown:
Control Module does not answer!
OR
K-wire not switching to Ground/positive
HELP
OR
No signal from Control Module
-
Press HELP button to print out a list of possible causes.
-
Check wiring connection of Data Link Connectors, Refer to Data Link Connectors, Checking Wiring.
-
Check power supply and Ground connection to Control Module - J104 using wiring diagram
-
After correcting possible malfunctions enter address word 03 for brake electronics once again and verify with Q button.
If Display appears as shown:
Fault in communication buildup
-
Refer to Data Link Connectors, Checking Wiring, to correct possible malfunctions.
-
Press -> button.
Display appears as shown:
Rapid data transfer
HELP