| Pin | Signal | Description |
| 2 | J1850 Bus+ | |
| 4 | CGND | GND |
| 5 | SGND | GND |
| 6 | CAN High | J-2284 |
| 7 | K-LINE | (ISO 9141-2 and ISO/DIS 14230-4) |
| 10 | J1850 Bus- | |
| 14 | CAN Low | (ISO 9141-2 and ISO/DIS 14230-4) |
| 15 | ISO 9141-2 L-LINE | Tx/Rx |
| 16 | +12v | Battery power |
Daewoo OBD-2 compatibility list
Note that list is not 100% complete!
| Model | Engine | Year (starting from) | OBD-2 Protocol |
|---|---|---|---|
| Daewoo Kalos | 1.4i, Gasoline (83HP) | 2003 | KWP FAST |
| 1.4, Gasoline (94HP) | 2003 | KWP FAST | |
| 1.4 16V, Gasoline (93 HP) | 2004 | ISO 14230-4 | |
| 1.4 16v, Gasoline or LPG (94HP) | 2004 | KWP FAST | |
| 1.2 SE, Gasoline (75HP) | 2005 | KWP FAST | |
| Gasoline (93 HP) | 2004 | ||
| Daewoo Lacetti | 1.6, Gasoline or LPG (107HP) | 2004 | KWP FAST |
| Daewoo Matiz | 0.8L, Gasoline (51HP) | 2002 | KWP FAST |
| Daewoo Rezzo | 2.0 L, Gasoline (125HP) | 2001 | KWP FAST |
| Gasoline (104 HP) | 2003 | ||
| Daewoo Rezzo | 1.6, Gasoline or LPG (105HP) | 2004 | KWP FAST |
Most Daewoo cars in 1996-2001 are equiped with J1850-VPW protocol. After 2001 - KWP2000.
Some OBD-II cables schemes:
OBD-2 ISO 9141-2 (14230-4, KWP2000) simple serial cable
OBD-2 J1850 PWM, J1850 VPW serial ELM327 cable
OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable
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