Electrical

ECU

Honda ECU Definition Codes

Source: pgmfi.org - Share Alike License

OBD1

"OBD1" is generally used to refer to honda engine electronics from 92-95. Accords/Preludes used OBD1 connectors as early as 1990. This is not an official standard, unlike OBD2.

OBD1 ECUs (92-95)

P05 : 92-95 OBD-1 Civic CX (D15B)

P06 : 92-95 OBD-1 Civic DX (D15B)

P07 : 92-95 OBD-1 Civic VX (D15Z1)

P08 : 92-95 OBD-1 Civic/CRX VTi/VXi (sohc vtec)

PR3 : 92-93 OBD-1 JDM Integra RSi/XSi (B16A)

PR4 : 92-93 OBD-1 Integra RS/LS/GS (B18A)

P27 : 92-95 OBD-1 Euro/Asian Civic (non-vtec 1.6l)

P28 : 92-95 OBD-1 Civic Si/Ex (sohc vtec d16z6)

P29 : 92-95 OBD-1 JDM Domani (sohc zc)

P30 : 92-95 OBD-1 USDM Del Sol DOHC Vtec Si/EG SiR

P51 : 92-93 OBD-1 JDM Ascot Innova 2.3l Si-Z H23A CC-4 DOHC non-vtec

P54 : 92-95 OBD-1 JDM Domani/1.8l Accord (1.8L B18B DOHC)

P61 : 92-93 OBD-1 Integra GSR

P70 : 92-95 OBD-1 Domani (sohc vtec zc - no oil pressure sensor reading)

P71 : 92-95 OBD-1 Integra (sohc vtec d16a)

P72 : 94-95 OBD-1 Integra GSR

P74/75 : 94-95 OBD-1 Integra RS/LS/GS

P76: 94-95 OBD-1 JDM Integra (sohc zc)

P84 : 92-95 OBD-1 JDM Civic ETi (VTEC-E auto)

P91 : 92-95 OBD-1 JDM Civic Coupe (sohc vtec 1.6)

P11 : 92-95 OBD-1 Prelude 2.0i BB3 (F20A4 non-vtec)

P0 A : 94-95 OBD-1 Accord EX (F22B)

P0 C : 92-95 OBD-1 Accord 2.2L (??? F22B DOHC non-vtec)

P39 : 92-95 OBD-1 JDM Accord SOHC VTEC

P13 : 93-95 OBD-1 Prelude Vtec (H22A)

P14 : 93-95 OBD-1 Prelude Si (non Vtec - H23A)

PT3 : 90-93 OBD-1 Accord SOHC F22A non-vtec OBD-1

PK2 : 88-91 OBD-0 Prelude (B20A5 motor) OBD-0 Plugs

PK3 : 90-91 OBD-1 Prelude (B21a1 motor) OBD-1 Plugs

PR7 : 92-95 OBD-1 NSX C-series V6