
7403.VW08 2.00 2020 Audi A4 (Smart Key)
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Vehicle connections
The connection information listed below is specific to the 2020 Audi A4 (Smart Key). Refer to “Pre-installation and application warnings” for a list of important notes.
Data 14-pin blue connector (H1)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H1/1 Light Green No Connection No Connection
H1/2 Violet/Yellow No Connection No Connection
H1/3 Tan/Black (DATA) HS CAN High No Connection
H1/4 Tan (DATA) HS CAN Low No Connection
H1/5 Orange/Green (DATA) HS CAN 3 High Comfort System Module in trunk left side, blue-white 32 pin plug, pin 2 Data Green
H1/6 Orange/Brown (DATA) HS CAN 3 Low Comfort System Module in trunk left side, blue-white 32 pin plug, pin 1 Data Orange/Brown
H1/7 Brown Relay N.O. No Connection No Connection
H1/8 Yellow Relay COM. No Connection No Connection
H1/9 Orange/Yellow Relay N.C. No Connection No Connection
H1/10 Orange/Red Relay N.C. Key Wrap Comfort System Module in trunk left side, black 20 pin plug, pin 1
Position 4-6 loops under the key, not around it.
RF Yellow (alternate location)
H1/11 Yellow/Red Relay COM. Key Wrap Comfort System Module in trunk left side, black 20 pin plug, pin 1
Position 4-6 loops under the key, not around it.
RF Yellow (alternate location)
H1/12 Brown/Red Relay N.O. Key Wrap Comfort System Module in trunk left side, black 20 pin plug, pin 1
Position 4-6 loops under the key, not around it.
RF Yellow (alternate location)
H1/13 Red (+) W2W Only - 12 Volt Input Comfort System Module in trunk left side, brown 17 pin plug, pin 16 + Red/Yellow (20A)
H1/14 Black (-) W2W Only - Ground Comfort System Module in trunk left side, brown 17 pin plug, pin 15 - Brown
Output 12-pin red connector (H2)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H2/1 Black/White (-) W2W Only - E-Brake Output Remote Starter
H2/2 Green/Black (-) PTS Output Comfort System Module in trunk left side, blue-white 32 pin plug, pin 25
Comfort System Module in trunk left side, blue-white 32 pin plug, pin 26
Comfort System Module in trunk left side, blue-white 32 pin plug, pin 10
Must use three 1A diodes.
-
-
-
Brown/Red (PTS 1 alternate)
Yellow/Green (PTS 2 alternate)
White/Red (PTS 3 alternate)
H2/3 Green/White (-) W2W Only - Door Output Remote Starter
H2/4 Red/Black (-) W2W Only - Trunk Output Remote Starter
H2/5 Violet/White (AC) W2W Only - Tach Output [2] Remote Starter
H2/6 Gray (+) W2W Only - Brake Output Remote Starter
H2/7 Gray/Black (+) Ignition Status Output Remote Starter
H2/8 Violet/Green No Connection No Connection
H2/9 Violet/Brown No Connection No Connection
H2/10 Yellow/Black No Connection No Connection
H2/11 Orange/Black No Connection No Connection
H2/12 Blue/Red (-) W2W Only - Hood Output Remote Starter