Difference between revisions of "Data Link Connector"

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|}
 
|}
  
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=== Adapter pinouts ===
+
===Adapter pinouts===
  
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==== OBD2 8-pin adapter ====
+
====OBD2 8-pin adapter====
 
[[File:OBD2 plug with 8 pins to solder on.png|none|thumb|OBD to 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
 
Can be bought on Ali Express
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|6
 
|6
 
|CAN (J-2234) High
 
|CAN (J-2234) High
 +
|}
 +
 +
=== Device communication ===
 +
 +
==== Instrument Cluster ====
 +
Pin: 15
 +
 +
Protocol: K-Line 10400 baud
 +
 +
Source Address: 0xF1 (tester)
 +
 +
Destination Address: 0x69
 +
{| class="wikitable"
 +
|+
 +
!
 +
!Request
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!Response
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!Info
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|-
 +
|
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|81
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|C1 C2 46
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|
 +
|-
 +
|
 +
|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
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|7F 3F 00
 +
|
 +
|-
 +
|
 +
|2A 01 01
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|6A 01 FF 80 00 02 D1 FF 01 01 FF 00 87 01
 +
|
 +
|-
 +
|
 +
|2A 01 05
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|6A 05 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11
 +
|
 +
|-
 +
|
 +
|2A 01 03
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|6A 03 FF FF 00 00 00 00 00 00 00 FF 00 00 00 00 00 00 11
 +
|
 +
|-
 +
|
 +
|2A 01 04
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|6A 04 FF 00 00 FF FF FF 00 00 00 00 00 FF FF 00 00 00 11
 +
|
 +
|-
 +
|
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|31 23 20
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|73 23 68 01 65 01 9D 14 00 FB 25 00 BD C2 00 B1 13 00 01
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|
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|-
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|
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|31 23 22
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|73 23 44 07 00 3F
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|
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|-
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|
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|31 23 2E
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|73 23 45 4F 30 00 68 6F 3F 35 B3 AA 56 08
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|
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|-
 +
|
 +
|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
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|
 +
|-
 +
|
 +
|2A 01 07
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|6A 07 1E 0E 00 90 4D 01
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|
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|-
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|
 +
|31 23 01
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|73 23
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|
 +
|-
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|
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|31 23 07 02 6E
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|73 23
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|
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|-
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|
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|31 28
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|73 28 DC 88 4C 20 C0 00 E1 B7 00 00
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|
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|-
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|
 +
|31 23 2C
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|73 23 06 1E 92 0F 07 1F 12 60 90 16
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|
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|-
 +
|
 +
|31 27 DC 88 4C 20 40 00 E1 B7 00 00
 +
|73 27 DC 88 4C 20 40 00 E1 B7 00 00
 +
|
 +
|-
 +
|
 +
|11 01
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|51 00
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|
 +
|-
 +
|
 +
|A1
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|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
 +
|
 
|}
 
|}

Revision as of 21:41, 27 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
1 (square) 10 J1850 Bus -
2 2 J1850 Bus +
3 7 ISO 9141-2 K-Line
4 15 ISO 9141-2 L-Line
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

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
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
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
31 28 73 28 DC 88 4C 20 C0 00 E1 B7 00 00
31 23 2C 73 23 06 1E 92 0F 07 1F 12 60 90 16
31 27 DC 88 4C 20 40 00 E1 B7 00 00 73 27 DC 88 4C 20 40 00 E1 B7 00 00
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
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