Difference between revisions of "Data Link Connector"

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The Data Link Connector is the connector that you use to read the Diagnostic Trouble Codes (DTCs) from the car, using a tester such as Bosch ESI[tronic], Mercedes Benz StarDiag, or DRB III. Its plug is the same as an OBD2 connector.
+
The Data Link Connector is the connector that you use to read the Diagnostic Trouble Codes (DTCs) from the car, using a tester such as Bosch ESI[tronic], Mercedes Benz StarDiag, or DRB III. Its plug is the same as an OBD2 / J1962 connector.
  
 
<br />
 
<br />
  
 
===Pinout===
 
===Pinout===
 +
[[File:Obd2 connector.png|thumb|OBD2 connector pinout]]
 +
 +
 
Below is the pinout of the Data Link Connector. The naming is taken from the Service Manual (SRT6).
 
Below is the pinout of the Data Link Connector. The naming is taken from the Service Manual (SRT6).
 
{| class="wikitable"
 
{| class="wikitable"
 
|+
 
|+
 
!OBD2 Pin
 
!OBD2 Pin
 +
!OBD2 Name
 
!Circuit
 
!Circuit
 
!Connector Pin Name
 
!Connector Pin Name
Line 13: Line 17:
 
|-
 
|-
 
!1
 
!1
 +
|
 
|20BK/WT
 
|20BK/WT
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 19: Line 24:
 
|-
 
|-
 
!2
 
!2
 +
|J1850 Bus +
 
| -
 
| -
 
| -
 
| -
Line 24: Line 30:
 
|-
 
|-
 
!3
 
!3
 +
|
 
|20DG/YL
 
|20DG/YL
 
|"SCI Receive"
 
|"SCI Receive"
Line 29: Line 36:
 
|-
 
|-
 
!4
 
!4
 +
|Chassis Ground
 
|18BR
 
|18BR
 
|"Ground"
 
|"Ground"
Line 34: Line 42:
 
|-
 
|-
 
!5
 
!5
 +
|Signal Ground
 
|20BR/YL
 
|20BR/YL
 
|"Sensor Ground"
 
|"Sensor Ground"
Line 40: Line 49:
 
|-
 
|-
 
!6
 
!6
 +
|CAN (J-2234) High
 
| -
 
| -
 
| -
 
| -
Line 45: Line 55:
 
|-
 
|-
 
!7
 
!7
 +
|ISO 9141-2 '''K-Line'''
 
|22BL
 
|22BL
 
|"SCI Transmit"
 
|"SCI Transmit"
−
|"SCI Transmit" from Powertrain Control Module
+
|"SCI Transmit" from Powertrain Control Module (PCM / ECU / ECM)
 
|-
 
|-
 
!8
 
!8
 +
|
 
|20RD/WT
 
|20RD/WT
 
|"Fused Ignition Switch Output"
 
|"Fused Ignition Switch Output"
Line 55: Line 67:
 
|-
 
|-
 
!9
 
!9
 +
|
 
|22RD/YL
 
|22RD/YL
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 61: Line 74:
 
|-
 
|-
 
!10
 
!10
 +
|J1850 Bus -
 
| -
 
| -
 
| -
 
| -
Line 66: Line 80:
 
|-
 
|-
 
!11
 
!11
 +
|
 
|22DG
 
|22DG
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 71: Line 86:
 
|-
 
|-
 
!12
 
!12
 +
|
 
|20BK/YL (ZH27)
 
|20BK/YL (ZH27)
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 76: Line 92:
 
|-
 
|-
 
!13
 
!13
 +
|
 
|20YL
 
|20YL
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 81: Line 98:
 
|-
 
|-
 
!14
 
!14
 +
|CAN (J-2234) Low
 
| -
 
| -
 
| -
 
| -
Line 86: Line 104:
 
|-
 
|-
 
!15
 
!15
 +
|ISO 9141-2 L-Line
 
|22BK/BL
 
|22BK/BL
 
|"SCI Transmit"
 
|"SCI Transmit"
Line 94: Line 113:
 
|-
 
|-
 
!16
 
!16
 +
|Battery Power
 
|18RD/DG
 
|18RD/DG
 
|Fused B(+)
 
|Fused B(+)
 
|
 
|
 
|}
 
|}
 +
 +
===Adapter pinouts===
 +
 +
====OBD2 8-pin adapter====
 +
[[File:OBD2 plug with 8 pins to solder on.png|none|thumb|OBD to 8-pin adapter]]
 +
Can be bought on Ali Express
 +
{| class="wikitable"
 +
|+
 +
!Pin
 +
!OBD-2 pin
 +
!Name
 +
!Crossfire module
 +
|-
 +
|1 (square)
 +
|10
 +
|J1850 Bus -
 +
| -
 +
|-
 +
|2
 +
|2
 +
|J1850 Bus +
 +
| -
 +
|-
 +
|3
 +
|7
 +
|ISO 9141-2 K-Line
 +
|ECU/ECM/PCM
 +
|-
 +
|4
 +
|15
 +
|ISO 9141-2 L-Line
 +
|IC, TPMS / garage door opener, A/C heater control
 +
|-
 +
|5
 +
|16
 +
|Battery Power
 +
| -
 +
|-
 +
|6
 +
|4 + 5
 +
|Chassis and Signal Ground
 +
| -
 +
|-
 +
|7
 +
|14
 +
|CAN (J-2234) Low
 +
| -
 +
|-
 +
|8
 +
|6
 +
|CAN (J-2234) High
 +
| -
 +
|}
 +
 +
===Device communication===
 +
 +
====Instrument Cluster====
 +
Pin: 15
 +
 +
Protocol: K-Line 10400 baud
 +
 +
Source Address: 0xF1 (tester)
 +
 +
Destination Address: 0x69 "DriverInformationDisplays9"
 +
{| class="wikitable"
 +
|+
 +
!
 +
!Request
 +
!Response
 +
!Info
 +
|-
 +
|
 +
|81
 +
|C1 C2 46
 +
|
 +
|-
 +
|
 +
|3C 00
 +
|7C 00 '''19 35 42 02 01''' FF 00 11 '''21 03''' '''29 02''' '''58'''
 +
|19 35 42 02 01 - decimal encoded part number 193 542 02 01
 +
21 03 - HW date (week 21 of 2003)
 +
 +
29 02 - SW date (week 29 of 2002)
 +
 +
58 - Diag ID
 +
|-
 +
|
 +
|3F
 +
|7F 3F 00
 +
|
 +
|-
 +
|
 +
|2A 01 01
 +
|6A 01 FF 80 00 '''02 D1''' FF 01 01 FF 00 87 01
 +
|02 D1 - Time in cluster, minutes from 00:00, 0x2D1 == 721 minutes == 12:01
 +
|-
 +
|
 +
|2A 01 05
 +
|6A 05 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11
 +
|
 +
|-
 +
|
 +
|2A 01 03
 +
|6A 03 FF FF 00 00 00 00 00 00 00 FF 00 00 00 00 00 00 11
 +
|
 +
|-
 +
|
 +
|2A 01 04
 +
|6A 04 FF 00 00 FF FF FF 00 00 00 00 00 FF FF 00 00 00 11
 +
|
 +
|-
 +
|
 +
|31 23 20
 +
|73 23 68 01 '''65 01''' '''9D 14''' 00 FB 25 00 BD C2 00 B1 13 00 01
 +
|65 01 - Days since last oil change
 +
9D 14 - Distance (KM) since last oil change
 +
|-
 +
|
 +
|31 23 22
 +
|73 23 44 07 00 3F
 +
|
 +
|-
 +
|
 +
|31 23 2E
 +
|73 23 45 4F 30 00 68 6F 3F 35 B3 AA 56 08
 +
|
 +
|-
 +
|
 +
|31 23 44
 +
|73 23 72 01 65 01 26 25 00 FB 25 00 FB 25 00 F1 39 00 0F 00
 +
|
 +
|-
 +
|
 +
|31 23 45
 +
|73 23 1E 44 07 44 07 00 00 00 00 6F 3E
 +
|
 +
|-
 +
|
 +
|2A 01 07
 +
|6A 07 1E 0E 00 90 4D 01
 +
|
 +
|-
 +
|
 +
|31 23 01
 +
|73 23
 +
|
 +
|-
 +
|
 +
|31 23 07 02 6E
 +
|73 23
 +
|Program time (in minutes from 00:00)
 +
|-
 +
|
 +
|31 28
 +
|73 28 '''DC''' 88 4C 20 '''C0''' 00 E1 B7 00 00
 +
|Request
 +
 +
- transmission range indicator setting
 +
 +
- temp gauge setting
 +
 +
- 120kmph / 75mph speed warning
 +
 +
- Daytime Running Lights (DRL)
 +
|-
 +
|
 +
|31 27 DC 88 4C 20 '''40''' 00 E1 B7 00 00
 +
|73 27 DC 88 4C 20 '''40''' 00 E1 B7 00 00
 +
|Hide transmission range indicator
 +
|-
 +
|
 +
|31 27 DC 88 4C 20 '''C0''' 00 E1 B7 00 00
 +
|73 27 DC 88 4C 20 '''C0''' 00 E1 B7 00 00
 +
|Show transmission range indicator (PRND etc)
 +
|-
 +
|
 +
|11 01
 +
|51 00
 +
|
 +
|-
 +
|
 +
|A1
 +
|E1 90 40 12 00
 +
E1 90 41 12 00
 +
 +
...
 +
 +
E1 FF FF 07
 +
|Request DTC
 +
|-
 +
|
 +
|31 23 24 00
 +
|73 23 00 0B 07 A7 98 FF 02 FC 64 06 01 02
 +
|
 +
|-
 +
|
 +
|31 23 2C
 +
|73 23 06 1E 92 0F 07 1F 12 60 90 16
 +
|Request engine config
 +
|-
 +
|
 +
|31 23 2D 06 1E 92 0F 07 1F 12 60 '''86''' 16
 +
|73 23 06 1E 92 0F 07 1F 12 60 86 16
 +
|Change engine settings to 3.2 SRT
 +
|-
 +
|
 +
|31 23 2D 06 1E 92 0F 07 1F 12 60 '''90''' 16
 +
|73 23 06 1E 92 0F 07 1F 12 60 90 16
 +
|Change engine settings to 3.2
 +
|-
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|
 +
|31 27 '''D4''' 88 4C 20 C0 00 E1 B7 00 00
 +
|73 27 '''D4''' 88 4C 20 C0 00 E1 B7 00 00
 +
|Configure temp gauge in Fahrenheit
 +
|-
 +
|
 +
|31 27 '''DC''' 88 4C 20 C0 00 E1 B7 00 00
 +
|73 27 '''DC''' 88 4C 20 C0 00 E1 B7 00 00
 +
|Configure temp gauge in Centigrade
 +
|-
 +
|
 +
|31 27 DC '''A8''' 4C 20 C0 00 E1 B7 00 00
 +
|73 27 DC '''A8''' 4C 20 C0 00 E1 B7 00 00
 +
|Configure speed warning on
 +
|-
 +
|
 +
|31 27 DC '''88''' 4C 20 C0 00 E1 B7 00 00
 +
|73 27 DC '''88''' 4C 20 C0 00 E1 B7 00 00
 +
|Configure speed warning off
 +
|-
 +
|
 +
|31 27 DC 88 4C 20 C0 00 E1 B7 00 '''01'''
 +
|73 27 DC 88 4C 20 C0 00 E1 B7 00 '''01'''
 +
|Configure DRL ON
 +
|-
 +
|
 +
|31 27 DC 88 4C 20 C0 00 E1 B7 00 '''00'''
 +
|73 27 DC 88 4C 20 C0 00 E1 B7 00 '''00'''
 +
|Configure DRL off
 +
|-
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|
 +
|31 23 2F 45 4F 30 '''01''' 68 6F 3F 35 B3 AA 56 08
 +
|73 23 45 4F 30 '''01''' 68 6F 3F 35 B3 AA 56 08
 +
|Configure oil warning 1mm
 +
|-
 +
|
 +
|31 23 2F 45 4F 30 '''02''' 68 6F 3F 35 B3 AA 56 08
 +
|73 23 45 4F 30 '''02''' 68 6F 3F 35 B3 AA 56 08
 +
|Configure oil warning 2mm
 +
|-
 +
|
 +
|31 23 2F 45 4F 30 '''03''' 68 6F 3F 35 B3 AA 56 08
 +
|73 23 45 4F 30 '''03''' 68 6F 3F 35 B3 AA 56 08
 +
|Configure oil warning 3mm
 +
|-
 +
|
 +
|
 +
|
 +
|
 +
|}
 +
 +
====Power Top Control Module====
 +
Pin: 12
 +
 +
Protocol: K-Line 10400 baud
 +
 +
Source Address: 0xF1 (tester)
 +
 +
Destination Address: 0x72 "Lightning2"
 +
 +
'''Also supported through WiTech w/o drb 3 emulator'''

Latest revision as of 14:09, 29 April 2024

The Data Link Connector is the connector that you use to read the Diagnostic Trouble Codes (DTCs) from the car, using a tester such as Bosch ESI[tronic], Mercedes Benz StarDiag, or DRB III. Its plug is the same as an OBD2 / J1962 connector.


Pinout

OBD2 connector pinout


Below is the pinout of the Data Link Connector. The naming is taken from the Service Manual (SRT6).

OBD2 Pin OBD2 Name Circuit Connector Pin Name Attached Module
1 20BK/WT "SCI Transmit" "SCI Transmit" from Body Control Module (BCM)

"SCI Transmit" from Sentry Key Remote Entry Module (SKREEM)

2 J1850 Bus + - - -
3 20DG/YL "SCI Receive" "SCI Receive" from Powertrain Control Module (PCM / ECU / ECM)
4 Chassis Ground 18BR "Ground" -
5 Signal Ground 20BR/YL "Sensor Ground" "Sensor Ground" from Fuel Tank Pressure Sensor

"Sensor Ground" from Powertrain Control Module

6 CAN (J-2234) High - - -
7 ISO 9141-2 K-Line 22BL "SCI Transmit" "SCI Transmit" from Powertrain Control Module (PCM / ECU / ECM)
8 20RD/WT "Fused Ignition Switch Output" "Fused Ignition Switch Output" from Relay Control Module
9 22RD/YL "SCI Transmit" "SCI Transmit" from Controller Antilock Brake (ESP / BAS)

"SCI Transmit" from Shift Lever Assembly (SLA)

10 J1850 Bus - - - -
11 22DG "SCI Transmit" "SCI Transmit" from Transmission Control Module (TCM / TCU)
12 20BK/YL (ZH27) "SCI Transmit" "SCI Transmit" from Power Top Control Module (PTCM)
13 20YL "SCI Transmit" "SCI Transmit" from Occupant Restraint Controller (ORC)
14 CAN (J-2234) Low - - -
15 ISO 9141-2 L-Line 22BK/BL "SCI Transmit" "SCI Transmit" from Instrument Cluster (IC)

"SCI Transmit" from Universal Garage Door Opener / Tire Pressure Monitor

"SCI Transmit" from A/C Heater Control Module

16 Battery Power 18RD/DG Fused B(+)

Adapter pinouts

OBD2 8-pin adapter

OBD to 8-pin adapter

Can be bought on Ali Express

Pin OBD-2 pin Name Crossfire module
1 (square) 10 J1850 Bus - -
2 2 J1850 Bus + -
3 7 ISO 9141-2 K-Line ECU/ECM/PCM
4 15 ISO 9141-2 L-Line IC, TPMS / garage door opener, A/C heater control
5 16 Battery Power -
6 4 + 5 Chassis and Signal Ground -
7 14 CAN (J-2234) Low -
8 6 CAN (J-2234) High -

Device communication

Instrument Cluster

Pin: 15

Protocol: K-Line 10400 baud

Source Address: 0xF1 (tester)

Destination Address: 0x69 "DriverInformationDisplays9"

Request Response Info
81 C1 C2 46
3C 00 7C 00 19 35 42 02 01 FF 00 11 21 03 29 02 58 19 35 42 02 01 - decimal encoded part number 193 542 02 01

21 03 - HW date (week 21 of 2003)

29 02 - SW date (week 29 of 2002)

58 - Diag ID

3F 7F 3F 00
2A 01 01 6A 01 FF 80 00 02 D1 FF 01 01 FF 00 87 01 02 D1 - Time in cluster, minutes from 00:00, 0x2D1 == 721 minutes == 12:01
2A 01 05 6A 05 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11
2A 01 03 6A 03 FF FF 00 00 00 00 00 00 00 FF 00 00 00 00 00 00 11
2A 01 04 6A 04 FF 00 00 FF FF FF 00 00 00 00 00 FF FF 00 00 00 11
31 23 20 73 23 68 01 65 01 9D 14 00 FB 25 00 BD C2 00 B1 13 00 01 65 01 - Days since last oil change

9D 14 - Distance (KM) since last oil change

31 23 22 73 23 44 07 00 3F
31 23 2E 73 23 45 4F 30 00 68 6F 3F 35 B3 AA 56 08
31 23 44 73 23 72 01 65 01 26 25 00 FB 25 00 FB 25 00 F1 39 00 0F 00
31 23 45 73 23 1E 44 07 44 07 00 00 00 00 6F 3E
2A 01 07 6A 07 1E 0E 00 90 4D 01
31 23 01 73 23
31 23 07 02 6E 73 23 Program time (in minutes from 00:00)
31 28 73 28 DC 88 4C 20 C0 00 E1 B7 00 00 Request

- transmission range indicator setting

- temp gauge setting

- 120kmph / 75mph speed warning

- Daytime Running Lights (DRL)

31 27 DC 88 4C 20 40 00 E1 B7 00 00 73 27 DC 88 4C 20 40 00 E1 B7 00 00 Hide transmission range indicator
31 27 DC 88 4C 20 C0 00 E1 B7 00 00 73 27 DC 88 4C 20 C0 00 E1 B7 00 00 Show transmission range indicator (PRND etc)
11 01 51 00
A1 E1 90 40 12 00

E1 90 41 12 00

...

E1 FF FF 07

Request DTC
31 23 24 00 73 23 00 0B 07 A7 98 FF 02 FC 64 06 01 02
31 23 2C 73 23 06 1E 92 0F 07 1F 12 60 90 16 Request engine config
31 23 2D 06 1E 92 0F 07 1F 12 60 86 16 73 23 06 1E 92 0F 07 1F 12 60 86 16 Change engine settings to 3.2 SRT
31 23 2D 06 1E 92 0F 07 1F 12 60 90 16 73 23 06 1E 92 0F 07 1F 12 60 90 16 Change engine settings to 3.2
31 27 D4 88 4C 20 C0 00 E1 B7 00 00 73 27 D4 88 4C 20 C0 00 E1 B7 00 00 Configure temp gauge in Fahrenheit
31 27 DC 88 4C 20 C0 00 E1 B7 00 00 73 27 DC 88 4C 20 C0 00 E1 B7 00 00 Configure temp gauge in Centigrade
31 27 DC A8 4C 20 C0 00 E1 B7 00 00 73 27 DC A8 4C 20 C0 00 E1 B7 00 00 Configure speed warning on
31 27 DC 88 4C 20 C0 00 E1 B7 00 00 73 27 DC 88 4C 20 C0 00 E1 B7 00 00 Configure speed warning off
31 27 DC 88 4C 20 C0 00 E1 B7 00 01 73 27 DC 88 4C 20 C0 00 E1 B7 00 01 Configure DRL ON
31 27 DC 88 4C 20 C0 00 E1 B7 00 00 73 27 DC 88 4C 20 C0 00 E1 B7 00 00 Configure DRL off
31 23 2F 45 4F 30 01 68 6F 3F 35 B3 AA 56 08 73 23 45 4F 30 01 68 6F 3F 35 B3 AA 56 08 Configure oil warning 1mm
31 23 2F 45 4F 30 02 68 6F 3F 35 B3 AA 56 08 73 23 45 4F 30 02 68 6F 3F 35 B3 AA 56 08 Configure oil warning 2mm
31 23 2F 45 4F 30 03 68 6F 3F 35 B3 AA 56 08 73 23 45 4F 30 03 68 6F 3F 35 B3 AA 56 08 Configure oil warning 3mm

Power Top Control Module

Pin: 12

Protocol: K-Line 10400 baud

Source Address: 0xF1 (tester)

Destination Address: 0x72 "Lightning2"

Also supported through WiTech w/o drb 3 emulator

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