Directed Directechs DB3 User manual

403.NISS3HT
v3.17
2010 Nissan Altima (Smart Key)
THNISS3D Compatible
(Sold Separately)
Functions compatible with the 2010 Nissan Altima (Smart Key)
*Telematics features: The telematics features listed below (with an asterisk) ONLY apply when using SmartStart Pro.
* Odometer
Arm Factory Security
Brake Status (foot brake)
Control of aftermarket alarm with OEM remote
Disarm Factory Security
Door Lock Control
Door Locks Status
Door Unlock
Driver Priority Unlock
E-Brake Status
Entry Monitoring ALL Door Pins
Entry Monitoring Hood Pin
Entry Monitoring Trunk/Hatch Pin
Fuel level/EV battery level
Ignition Status
Immobilizer Bypass-Data No Key Req'd
Parking Lights Control
RAP Shut Down (Retained ACC Power)
Remote Start Ready
Remote Start Takeover
SmartStart
Tach / RPM Output
Trunk / Hatch Release

Introduction 3
Pre-installation and application warnings 4
Installation 5
Wiring diagram with T-Harness (THNISS3/THNISS3D) - Automatic transmission 5
Wiring diagram with T-Harness (THNISS3/THNISS3D) - Manual transmission 6
Wiring diagram - Automatic transmission 7
Wiring diagram - Manual transmission 8
Locating components in the vehicle 9
Vehicle connections 10
Module programming 12
Connecting the module 13
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 20
Contents

3403.NISS3HT 3.17 2010 Nissan Altima (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.NISS3HT 3.17 2010 Nissan Altima (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 THNISS3D Keys required for
programming 1Keys required for operation 0
Vehicle Takeover Refer to the Quick Reference Guide section for more details.
Firmware notes
The optional Plug & Play THNISS3D T-Harness is sold separately.
The OBDII Diagnostic Connector features will remain the same even when the T-Harness is installed.
Unless specified otherwise, all connectors are displayed from the wire side, with the exception of the OBDII diagnostic connector.
Refer to the "Vehicle connections" 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: The tach wire is an optional connection required on some remote starters, which do not support a tach signal in D2D.

5403.NISS3HT 3.17 2010 Nissan Altima (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 ( ).
(+) Ignition Status Output: Violet/Brown
3
2
1
D2D Port
Wiring diagram with T-Harness (THNISS3D) with automatic transmission
1412
10 42
(+) Ignition Input
(-) Ground
Do not
connect
THNISS3D
(optional T-Harness)
D2D
only
Diagnostic Connector
OBDII
The Remote Start Safety
Override Switch is
inactive (used for RSR only)
NOT USED
(-) RAP Off Output: Red/Black
(-) Push-To-Start Output: Green/Black
(+) Ignition Status Input: Violet/Green
NOT USED
T-01 T-01
T-02T-02
Clock & Data Wire
at Key Port Connector
(refer to the Vehicle
wiring reference charts
for wire location)
(+) 12V Input
(AC) Tach Output: Violet/White
B-01 B-02
(AC) Tach Input
(+) Starter Output
NOT USED
Connectors T-01 and T-02
(each pair has one male and
one female) are not interchangeable,
thus you will be able to connect
ONLY the correct connectors.
20 19 18 17 16 15 14 13 12 11 10 9 8 76 5 4 3 2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1
(-) Driver Door Trigger: Lt.Blue, pin 39
(+) Brake: pin 7
1
45 6 7 8
32
Push-to-Start
(brown conn. at Push-to-Start switch)
(-) Push-to-Start:
Brown, pin 4
BCM
(green conn. behind instrument cluster)
Note: insert pin if wire is not present
(+)12V: White or
White/Black, pin 1
BCM
(black conn. behind
instrument cluster)
(-) Hood Pin Input
Hood Pin

6403.NISS3HT 3.17 2010 Nissan Altima (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 ( ).
(+) Ignition Status Output: Violet/Brown
(+) Ignition Status Input: Violet/Green
3
2
1
30
85
87a
86 87
30
85
87a
86 87
D2D Port
Wiring diagram with T-Harness (THNISS3D) with manual transmission
1412
10 42
Do not
connect
THNISS3D
(optional T-Harness)
D2D
only
Diagnostic Connector
OBDII
The Remote Start Safety
Override Switch is
inactive (used for RSR only)
NOT USED
(-) RAP Off Output: Red/Black
(-) Push-To-Start Output: Green/Black
NOT USED
T-01 T-01 T-02T-02
B-01
OR
B-02
Clock & Data Wire
at Key Port Connector
(refer to the Vehicle
wiring reference charts
for wire location)
NOT USED
Clutch Pedal 1
1
1
2
2
Clutch
Pedal
Clutch Bypass,
pin 2
Clutch Pedal 2
Clutch Bypass,
pin 1
(+) Starter Output
(-) Ground
(+) Ignition Input
Clutch Bypass, pin 2
(AC) Tach Output: Violet/White
(AC) Tach Input
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1
1
45 6 7 8
32
Push-to-Start
(brown conn. at Push-to-Start switch)
(-) Push-to-Start:
Brown, pin 4
Connectors T-01 and T-02
(each pair has one male and
one female) are not interchangeable,
thus you will be able to connect
ONLY the correct connectors.
BCM
(green conn. behind instrument cluster)
Note: insert pin if wire is not present
(-) Driver Door Trigger:
Lt.Blue, pin 39
(+) 12V Input
(+)12V: White or
White/Black, pin 1
BCM
(black conn. behind
instrument cluster)
CUT
(-) Hood Pin Input
Hood Pin

7403.NISS3HT 3.17 2010 Nissan Altima (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 ( ).
D2D Port
OBDII
Diagnostic
Connector
(+) Ignition Input
(+) Starter Output
HS CAN High: Tan/Black: 3
HS CAN Low: Tan : 4
Immo. Data Interr. (veh. side): Yellow: 8
Immo. Data Interr. (conn. side): Orange/Yellow: 9
Immo. Clock Output: Yellow/Black: 10
Immo. Data Output (veh. side): Orange/Black: 11
1412
10 42
1 8
169
Wiring diagram without T-Harness with automatic transmission
XKD2D65
CUT
Clock & Data Wire
at Key Port Connector
(refer to the Vehicle
wiring reference charts
for wire location)
Key Port
(-) Push-to-Start Output: Green/Black: 2
(-) RAP Off Output: Red/Black: 4
(AC) Tach Output: Violet/White: 5
(+) Keysense Output: Gray/Black: 7
(+) Ignition Status Input: Violet/Green: 8
(+) Ignition Status Output: Violet/Brown: 9
(+) 12V Input
(AC) Tach Input
(-) Ground
1
45 6 7 8
32
Push-to-Start
(brown conn. at Push-to-Start switch)
HS CAN Low: Pink, pin 14
HS CAN High: Blue, pin 6
(-) Push-to-Start: Brown, pin 4
Data: Orange, pin 3
(+) Keysense: Yellow, pin 11
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1
BCM
(green conn. behind instrument cluster)
Note: insert pin if wire is not present
12 3 5 6
117 8 9 10 12
4
(-) Driver Door Trigger: Lt.Blue, pin 39
(+) Brake: pin 7
(+)12V: White or
White/Black, pin 1
3
2
1
BCM
(black conn. behind
instrument cluster)
Clock: Lt. Blue or
Green/Orange, pin 2
1
14
(-) Hood Pin Input Hood Pin

8403.NISS3HT 3.17 2010 Nissan Altima (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 ( ).
3
2
1
30
85
87a
86 87
30
85
87a
86 87
D2D Port
OBDII
Diagnostic
Connector
(+) Ignition Input
(+) Starter Output
HS CAN High: Tan/Black: 3
HS CAN Low: Tan : 4
Immo. Data Interr. (veh. side): Yellow: 8
Immo. Data Interr. (conn. side): Orange/Yellow: 9
Immo. Clock Output: Yellow/Black: 10
Immo. Data Output (veh. side): Orange/Black: 11
1412
10 42
1 8
169
Wiring diagram without T-Harness with manual transmission
XKD2D65
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1
CUT
Key Port
(-) Push-to-Start Output: Green/Black: 2
(-) RAP Off Output: Red/Black: 4
(AC) Tach Output: Violet/White: 5
(+) Keysense Output: Gray/Black: 7
(+) Ignition Status Input: Violet/Green: 8
(+) Ignition Status Output: Violet/Brown: 9
(AC) Tach Input
(-) Ground
Clutch Pedal 1
1
1
2
2
Clutch
Pedal
Clutch Bypass,
pin 2
Clutch Pedal 2
Clutch Bypass,
pin 1
Clutch Bypass, pin 2
(+) 12V Input
HS CAN Low: Pink, pin 14
HS CAN High: Blue, pin 6
Data: Orange, pin 3
(+) Keysense:
Yellow, pin 11
1
45 6 7 8
32
Push-to-Start
(brown conn. at
Push-to-Start switch)
(-) Push-to-Start:
Brown, pin 4
BCM
(green conn. behind instrument cluster)
Note: insert pin if wire is not present
12 3 5 6
117 8 9 10 12
4
(-) Driver Door Trigger:
Lt. Blue, pin 39
(+)12V: White or
White/Black, pin 1
BCM
(black conn. behind
instrument cluster)
Clock: Lt. Blue or
Green/Orange, pin 2
Clock & Data Wire
at Key Port Connector
(refer to the Vehicle wiring
reference charts for wire location)
1
14
CUT
(-) Hood Pin Input
Hood Pin

9403.NISS3HT 3.17 2010 Nissan Altima (Smart Key)
©2023 Directed. All rights reserved.
Locating components in the vehicle

10 403.NISS3HT 3.17 2010 Nissan Altima (Smart Key)
©2023 Directed. All rights reserved.
Vehicle connections
The connection information listed below is specific to the 2010 Nissan Altima (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 (DATA) No Connection
H1/2 Violet/Yellow (DATA) No Connection
H1/3 Tan/Black (DATA) HS CAN High OBD-data link connector, white 16 pin plug, pin 6 data blue
H1/4 Tan (DATA) HS CAN Low OBD-data link connector, white 16 pin plug, pin 14 data pink
H1/5 Orange/Green (DATA) No connection No Connection
H1/6 Orange/Brown (DATA) No connection No Connection
H1/7 Brown Relay N.O. No connection No Connection
H1/8 Yellow Relay COM. Immo Data Interrupt (vehicle side) Key Slot, white 12 pin plug, pin 3 data orange
H1/9 Orange/Yellow Relay N.C. Immo Data Interrupt (connector side) Key Slot, white 12 pin plug, pin 3 data orange
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 Input BCM behind instrument cluster, black 3 pin plug, pin 1 + white/black (40A)
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 (-) W2W Only - E-Brake Output Remote Starter
H2/2 Green/Black (-) PTS Output Push-Button Ignition Switch, brown 8 pin plug, pin 4 - brown
H2/3 Green/White (-) W2W Only - Door / Trunk Output Remote Starter
H2/4 Red/Black (-) RAP Off Output driver kick or BCM behind instrument cluster, green 40 pin plug, pin 39 - lt. blue
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 (+) Keysense Output Key Slot, white 12 pin plug, pin 11 + yellow
H2/8 Violet/Green (+) Ignition Status Input Remote Starter
H2/9 Violet/Brown (+) Ignition Status Output Remote Starter
H2/10 Yellow/Black (Data) Immo Clock Output Key Slot, white 12 pin plug, pin 2 data green/orange
H2/11 Orange/Black (Data) Immo Data Output (Vehicle side) Key Slot, white 12 pin plug, pin 3 data orange
H2/12 Blue/Red (-) W2W Only - Hood Output Remote Starter
Input 10-pin black connector (H3)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color