Directed Directechs DB3 User manual

DB3 403.MA3
v2.41
2022 Mazda MX-5 Miata (Smart Key)

Introduction 3
Vehicle function compatibilities 4
Pre-installation and application warnings 5
Wiring diagram 6
Locating components in the vehicle 7
Vehicle connections 8
Module programming 11
For Convenience-Only programming, see next section. 11
Module programming for convenience only (skip transponder) 12
Connecting the module 12
LED diagnostics and troubleshooting 14
Soft reset 16
Hard reset 16
Feature programming 17
Feature and option list 18
Limited one year consumer warranty 19
Quick reference guide (customer copy) 20
Contents

3403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Introduction
DB3 is an all-in-one door lock and override module.
Warning!
This module can only be flashed and configured using DirectLink at www.directechs.com or using the Directechs
Mobile application for smartphones. Refer to “Connecting the module” for more information.

4403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Vehicle function compatibilities
This section lists all the functions compatible with this vehicle for the installation illustrated in this guide.
Note: The telematics features listed below (with an asterisk) ONLY apply when using SmartStart.
Door Lock Control
Door Unlock
Driver Priority Unlock
Trunk / Hatch Release
Control of aftermarket alarm with OEM remote
Immobilizer Bypass-Data No Key Req'd
Remote Start Ready
Remote Start Takeover
Tach / RPM Output
Entry Monitoring ALL Door Pins
Entry Monitoring Hood Pin
Entry Monitoring Trunk/Hatch Pin
Brake Status (foot brake)
E-Brake Status
Ignition Status

5403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Pre-installation and application warnings
START HERE This section highlights important information for this specific firmware and will assist in pricing accordingly, as
well as bringing awareness to any operational or vehicle limitations.
Compatibilities and Requirements
T-Harness
compatible T-Harness is not compatible.
AUX
Keys required for
programming 1Keys required for operation 0
Vehicle Takeover Refer to the Quick Reference Guide section for more details.
Firmware notes
Doors: To remote start the engine, the hood, hatch and all doors must be closed.
Runtime: It is normal for the key symbol to flash during remote start runtime.
Caution: In these vehicles, the factory keyless entry module is sensitive to interference and may cease to operate without notice.
Ensure you disconnect the (-) terminal of the battery prior to disconnecting and reconnecting the connectors at the start/stop module
below the steering wheel to avoid damage to the keyless entry module.
Unless specified otherwise, all connectors are displayed from the wire side.
Refer to the Vehicle connections section following the installation diagram.
Footnotes
[1] Hood pin: The installation of an aftermarket hood pin is only required on vehicles that are not equipped with a factory hood pin or if
not supported in data.
[2] Tach wire: Optional connection required on some remote starters, which do not support a tach signal in D2D.
[3] Runtime: Connection required to retain OEM remote functionality during remote start runtime.
[4] Parking lights: Connection required when not supported in data. See the Locating components in the vehicle section for more
information about accessing the parking wiring.

6403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Refer to "Pre-installation and application warnings" for important information, such as the description of each special note referenced in the diagram ( ).
Wiring diagram
(-) PTS:
Pink, pin 20
D2D Port
(+) Ignition Input/Output
(+) 12V Input
(-) Hood Pin Input
HS CAN High: Tan/Black: 3
HS CAN Low: Tan : 4
1412
10 42
(-) Ground (-) Ground
XKD2D65
Parking Lights Interr. (conn. side): Yellow: 8
Parking Lights Interr. (veh. side): Orange/Yellow: 9
(-) Parking Lights Output: Blue/Red: 12
Keyless Data Output: Orange/Black: 11
(+) Ignition Interr. (conn. side): Orange/Red: 10
(+) Ignition Interr. (veh. side): Yellow/Red: 11
(-) Push-to-Start Output: Green/Black: 2
(+) Accessory Output
(+) Starter Output
1
(+) 12V:
Green, pin 1
Fuse Box
(white conn.
at drivers kick)
16
32 31 30 29 28 27 26 25 24 23 22 21 20 18
123456789101112131415
17
Start/Stop Unit
(white conn. at
steering column)
Keyless Data:
Blue, pin 9
Cut
24 1314151617 18
192021
2223
12 1
4325
6
7
8
910
11
(+) Starter:
Yellow/Black, pin 23
(+) Ignition:
Lt. Blue or Brown, pin 10
HS CAN Low: Green/Red or Blue, pin 8
HS CAN High: Pink or Green, pin 7
(+) Accessory 2:
Gray or Tan , pin 14
Start/Stop Unit
(white conn. at
steering column)
Hood Pin
(AC) Tach Input
(AC) Tach Output: Violet/White: 5
19
Ignition 2 Interr.:
Red/Black or Violet
or Tan , pin 17
Cut
Refer to “Accessing the parking
light circuit” section for more
information.
Parking Light
Switch Assembly
Parking Lights:
Black, pin 2
(-) Parking Lights:
Blue, pin 1
65
4
3
2
178

7403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Locating components in the vehicle
1. Grab parking light handle and pull in the direction of the arrow.
2. Push the clip to remove the parking light switch.
3. Remove the white cover to expose the connector.
Accessing the parking light circuit
4.Access the parking light connector and wire.

8403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Vehicle connections
The connection information listed below is specific to the 2022 Mazda MX-5 Miata (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 Start Stop Unit in steering column, white 24 pin plug, pin 7 Data White (HS CAN)
H1/4 Tan (DATA) HS CAN Low Start Stop Unit in steering column, white 24 pin plug, pin 8 Data Red (HS CAN)
H1/5 Orange/Green (DATA) HS CAN High No Connection
H1/6 Orange/Brown (DATA) HS CAN Low No Connection
H1/7 Brown Relay N.O. No Connection No Connection
H1/8 Yellow Relay COM. Parking Light Interrupt (connector side) [4] Parking Light Switch Assembly inside steering column, white 8 pin plug, pin 2
Connection required when not supported in data.
Cut Black
H1/9 Orange/Yellow Relay N.C. Parking Light Interrupt (vehicle side) [4] Parking Light Switch Assembly inside steering column, white 8 pin plug, pin 2
Connection required when not supported in data.
Cut Black
H1/10 Orange/Red Relay N.C. Ignition Interrupt (connector side) [3] Start Stop Unit in steering column, white 32 pin plug, pin 17
Connection required to retain OEM remote functionality during remote start
runtime.
Cut Brown
H1/11 Yellow/Red Relay COM. Ignition Interrupt (vehicle side) [3] Start Stop Unit in steering column, white 32 pin plug, pin 17
Connection required to retain OEM remote functionality during remote start
runtime.
Cut Brown
H1/12 Brown/Red Relay N.O. No connection No Connection
H1/13 Red (+) W2W Only - 12 Volt Input 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 Output Start Stop Unit in steering column, white 32 pin plug, pin 20 - Lt. Blue
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 No Connection No Connection
H2/8 Violet/Green No Connection No Connection
H2/9 Violet/Brown No Connection No Connection
H2/10 Yellow/Black W2W Only - Hood Output Remote Starter
H2/11 Orange/Black (Data) Keyless Data Start Stop Unit in steering column, white 32 pin plug, pin 9 Data Yellow

9403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H2/12 Blue/Red (-) Parking Lights output [4] Parking Light Switch Assembly inside steering column, white 8 pin plug, pin 1
Connection required when not supported in data.
- Blue
Input 10-pin black connector (H3)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H3/1 Green (-) W2W Only - Lock Input Remote Starter
H3/2 Blue (-) W2W Only - Unlock Input Remote Starter
H3/3 Red/White (-) W2W Only - Trunk Input Remote Starter
H3/4 White/Violet No Connection No Connection
H3/5 Violet/Black No Connection No Connection
H3/6 White/Black No Connection No Connection
H3/7 Pink/White (+) W2W Only - Trunk Input Remote Starter
H3/8 Violet (+) W2W Only - Starter Input Remote Starter
H3/9 Pink (+) W2W Only - Ignition Input Remote Starter
H3/10 Blue/White (-) W2W Only - Ground When Running (Status) Input Remote Starter
D2D 4-pin white connector (H4)
Module
Conn./Pin Color Description
H4/1 Blue (Data) TX
H4/2 Black (-) Ground
H4/3 Green (Data) RX
H4/4 Red (+) 12 Volt
RF 2-pin white connector (H5)
Module
Conn./Pin Color Description
H5/1 N/A No Connection
H5/2 N/A No Connection

10 403.MA3 2.41 2022 Mazda MX-5 Miata (Smart Key)
©2023 Directed. All rights reserved.
Additional remote start connections
(Not all of these connections may be required for your installation. Refer to the wiring diagram for vehicle-specific connections.)
Wire Connects To
Wire Location (+/-) Wire Color
12 Volts Driver Kick Fuse Box + White (50A)
Hood Pin [1] BCM above driver kick, white 24 pin plug, pin 12 - N.C. Blue
Ignition Start Stop Unit in steering column, white 24 pin plug, pin 10 + Lt. Green
Starter Start Stop Unit in steering column, white 24 pin plug, pin 23 + Brown
Tachometer [2] Camshaft Position Sensor, engine driver side rear, gray 3 pin plug,
pin 1
AC Green