
8403.HONDA9 2.07 2023 Honda Civic (Smart Key)
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Vehicle connections
The connection information listed below is specific to the 2023 Honda Civic (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 2 BCM behind dash fuse box, white 66 pin plug (A), pin 57 Data Pink (B-CAN)
H1/4 Tan (DATA) HS CAN Low 2 BCM behind dash fuse box, white 66 pin plug (A), pin 56 Data Blue (B-CAN)
H1/5 Orange/Green (DATA) HS CAN 3 High OBD-Data Link Connector, gray 16 pin plug, pin 6 Data Lt. Blue (DIAG-CAN)
H1/6 Orange/Brown (DATA) HS CAN 3 Low OBD-Data Link Connector, gray 16 pin plug, pin 14 Data Yellow (DIAG-CAN)
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. - No Connection No Connection
H1/11 Yellow/Red Relay COM. - No Connection No Connection
H1/12 Brown/Red Relay N.O. - No Connection No Connection
H1/13 Red (+) W2W Only - 12 Volt BCM behind dash fuse box, white 66 pin plug (A), pin 1 + Red (15A)
H1/14 Black (-) W2W Only - Ground (chassis ground)
Output 12-pin red connector (H2)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H2/1 Black/White No Connection No Connection
H2/2 Green/Black No Connection [4] No Connection
H2/3 Green/White No Connection No Connection
H2/4 Red/Black (-) PTS Output [3] BCM behind dash fuse box, brown 66 pin plug (C), pin 66
The PTS wire is mandatory in vehicles equipped with a manual transmission;
otherwise it is ONLY required for PitStop/Idle mode shutdown.
- Yellow
H2/5 Violet/White (AC) Tach Input [2] Remote Starter
An optional connection required on some remote starters, which do not
support a tach signal in D2D
H2/6 Gray No Connection No Connection
H2/7 Gray/Black No Connection No Connection
H2/8 Violet/Green No Connection No Connection
H2/9 Violet/Brown No Connection No Connection
H2/10 Yellow/Black (Data) Immo. Data BCM behind dash fuse box, white 66 pin plug (A), pin 33 Data Lt. Blue (S-NET)
H2/11 Orange/Black No Connection No Connection
H2/12 Blue/Red No Connection No Connection