You can find out a lot from reading the label on a
OBD1
ECU. This applies mainly to the Civic
ECUs... dunno bount the integra ones.
37820-ABC-XYZ
| Digits | Meaning |
|---|
| ABC | Engine ECU designed for |
| X | Market of ECU - see chart below |
| Y | 0: 5-speed, 5: Auto |
| Z | even number: "11F0" board, odd number: "1720" board |
| Code | Market |
|---|
| Axx | USDM 49-state |
| Lxx | USDM Cali Emissions |
| xxx | JDM |
| Jxx | JDM |
| 9xx | JDM (auto) |
| Gxx | EDM |
| Qxx | Oz DM |
| Cxx | Canadian |
| Nxx | usually factory reprogrammed, no particular market |
Example:
37820-P28-A52
- P28 = SOHC Vtec D16Z6
- A = US, 49 state
- 5 = Auto
- 2 = "11F0" board
| Library.LabelDecode moved from Library.OBD1LabelDecode on 21 Apr 2004 - 15:31 by Home.blundar - put it back |