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Technical Information OBDI Vehicle Reference

This is a guide to stock Honda ECUs by vehicle, with a listing of suitable ECUs for that vehicle. If your vehicle has an engine swap then it is recommended you view applications by engine.  Many vehicles require an OBDII to OBDI adapter harness (note 6) and/or ECU swap (note 7).

Once you have identified what ECUs are suitable for your engine, go to applications by ECU to see what applications Hondata has for your engine.

Also see K-Series vehicle reference.

1989-2002

 

Model Year Country Engine Stock ECU Suitable OBD1 ECUs Hondata Systems Notes
CRX SiR 89-91 JDM B16A PW0J P28,P30,P72,P61,P08J,P30J,P72J (OBD1 conversion required) s300 2,5,9,10
CRX/Del Sol VTEC 93-95 US B16A P30 P72,P28,P30,P61,P08J,P30J,P72J s300 2
Civic SiR 89-91 JDM B16A PW0J P72,P28,P30,P61,P08J,P30J,P72J (OBD1 conversion required) s300 5
Civic SiRII 92-95 JDM B16A P30J P72,P28,P30,P61,P08J,P30J,P72J s300 2
Civic/Del Sol DX/S 92-93 US D15B P06 P06,P74,P75,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2
Civic DX 92-95 JDM D15Z P08J P72,P28,P30,P61,P08J,P30J,P72J s300 2
Civic Si/EX/ 92-95 US D16Z P28 P72,P28,P30,P61,P08J,P30J,P72J s300 2
Civic HX 96-99 US D15B P2N P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3,6,7
Civic Si 99-00 US B16A P2T P72,P28,P30,P61,P08J,P30J,P72J s300 2,6,7
Civic 96-99 US D16Y P2P P72,P28,P30,P61,P08J,P30J,P72J s300 2,6,7
Civic 96-99 US D16_ P2E P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,6,7
Civic 99-00 US D16_ P2E P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,6,7
Integra XSi 89-91 JDM B16A PR3J P72,P28,P30,P61,P08J,P30J,P72J (OBD1 conversion required) s300 5,9
Integra LS/GS 92-93 US B18A PR4 P74,P75,P06.PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3
Integra LS/GS 94 US B18B P74 P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3
Integra LS/GS 95 US B18B P75 P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3
Integra LS/GS 96-01 US B18B PR4 P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3,6,7
Integra GSR 92-93 US B17A P61 P72,P28,P30,P61,P08J,P30J,P72J s300 2
Integra GSR 94-95 US B18C P72 P72,P28,P30,P61,P08J,P30J,P72J s300 2,4
Integra GSR 96-01 US B18C P72 P72,P28,P30,P61,P08J,P30J,P72J s300 2,4,6,7
Integra VTiR 92-95 JDM B18C P72J P72,P28,P30,P61,P08J,P30J,P72J s300 2,4
Integra Type R 97-01 US B18C5 P73 P72,P28,P30,P61,P08J,P30J,P72J s300 2,6,7
Accord LX/ EX 90-01 US F22 PT3 P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,11
Prelude Si 92-95 US H23A P14 P74,P75,P06,PR4,P72,P28,P30,P61,P08J,P30J,P72J s300 2,3
Prelude VTEC 92-95 US H22A P13 P72,P28,P30,P61,P08J,P30J,P72J s300 2,4
Prelude 96-01 US H22A   P72,P28,P30,P61,P08J,P30J,P72J s300 2,4,6,7,17
Prelude SH 96-01 US H22A P5P P72,P28,P30,P61,P08J,P30J,P72J s300 2,4,6,7,8,17

Notes:

  1. Hondata s100/s200 and Stage 2/3/4 systems are both available for these OBDI ECUs but it is recommended to use the s100 or s200 systems.
  2. Manual transmissions only.
  3. P28,P30,P72,P61 ECUs configured to run non-VTEC.
  4. Secondary intake runner operation will be lost if a P72 ECU is not used.
  5. To use a Hondata system it is required that an OBDI ECU is used.  Note an OBD1 distributor must be used.
  6. OBDII to OBDI adapter harness required.
  7. OBDI ECU swap.
  8. Differential control will be lost.
  9. Conversion from OBD1 required (OBD0-OBD1 adapter harness, OBD1 distributor).
  10. 4 wire oxygen sensor must be wired in and used if you wish to run in closed loop.
  11. 94 and 95 Accords have EGR (A11) and the O2 heating (A6) reversed and must be rewired
  12. If this ECU is used with a 6 speed transmission, reverse lockout will not work.
  13. PND A5# can be used only with Automatic transmissions and only reflash programs are available for this ECU.
  14. Use of this ECU is only recommended for motor swaps, as we do not offer any programs for the CRV.
  15. This ECU does not use a wideband oxygen sensor and is not compatible with US or JDM vehicles.
  16. Only Manual ECU's can be used with the K-Pro
  17. Conversion to an OBD1 distributor and some wiring may be required
  18. PRB-A13 ECU's are not reflash or K-Pro compatible (2005 RSX).