8403.MA5 1.10 2021 Mazda CX-30 (Smart Key)
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Vehicle connections
The connection information listed below is specific to the 2021 Mazda CX-30 (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 Single Wire CAN No Connection
H1/2 Violet/Yellow J1850 No Connection
H1/3 Tan/Black (DATA) HS CAN High Data 14-pin blue connector - Pin 8
H1/4 Tan (DATA) HS CAN Low Data 14-pin blue connector - Pin 11
H1/5 Orange/Green (DATA) HS CAN 3 High BCM in driver kick, black 24 pin plug, pin 24 Data White (Vehicle CAN)
H1/6 Orange/Brown (DATA) HS CAN 3 Low BCM in driver kick, black 24 pin plug, pin 12 Data Red (Vehicle CAN)
H1/7 Brown Relay N.O. HS CAN 4 High OBD-Data Link Connector, white 16 pin plug, pin 6 Data Lt. Blue (DIAG CAN)
H1/8 Yellow Relay COM. HS CAN Swap Data 14-pin blue connector - Pin 3
H1/9 Orange/Yellow Relay N.C. HS CAN 1 High BCM in driver kick, white 32 pin plug, pin 22 Data White (Body CAN)
H1/10 Orange/Red Relay N.C. HS CAN 1 Low BCM in driver kick, white 32 pin plug, pin 21 Data Red (Body CAN)
H1/11 Yellow/Red Relay COM. HS CAN swap Data 14-pin blue connector - Pin 4
H1/12 Brown/Red Relay N.O. HS CAN 4 Low OBD-Data Link Connector, white 16 pin plug, pin 14 Data Tan (DIAG CAN)
H1/13 Red (+) W2W Only - 12 Volt Remote Starter
H1/14 Black (-) W2W Only - Ground Remote Starter
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 1 Output BCM in driver kick, black 24 pin plug, pin 16 - Lt. Blue
H2/3 Green/White W2W Only – (-) Door Status Output Remote Starter
H2/4 Red/Black (-) Clutch Activation Output [3] PCM under hood on driver firewall, black 72 pin plug, pin 68
Must use a relay.
Required only for vehicles with manual transmission.
MUX Lavender
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 No Connection No Connection
H2/8 Violet/Green No Connection No Connection
H2/9 Violet/Brown (MUX) Clutch Activation Output [3] PCM under hood on driver firewall, black 72 pin plug, pin 68
Must use a relay.
Required only for vehicles with manual transmission.
MUX Lavender
H2/10 Yellow/Black (-) Trunk Release Output [4] BCM in driver kick, gray 24 pin plug, pin 17
OR
Power Liftgate Switch, black 5 pin plug, pin 3
Connection required for trunk release to operate during runtime.
-
MUX
Gray (rear handle switch)
Yellow
H2/11 Orange/Black (Data) Keyless Data Output BCM in driver kick, gray 24 pin plug, pin 5 Data Brown
