ECU Identification
All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. e.g. 37820-P72-A01
The part number consists of three components: Honda's part number for ECU, which is always 37820 Three characters (which are loosely related to the model of car/engine). e.g P72 Three characters (which are the revision of the ECU) e.g. A01 or G52 The middle three characters are the most useful to identify what the ECU is. Different generation ECUs may use the same characters. e.g. a P72 OBD I ECU is different from a P72 OBD II ECU. Here is a list of common ECUs: The last 3 characters are broken down into 3 parts. "A" generally is used for US ECUs. "G" is European, and "J" is Japanese. There are other versions of this, but you get the idea. The second digit "0" typically means manual transmission, where a "5" means automatic transmission, and the last digit "1" is the version number. PG7 : 86-89 Integra (86-87 vac advance, 88-89 electronic advance) PM5 : 88-91 Civic/CRX DX PM6 : 88-91 Civic/CRX SOHC Si PM7 : 89-91 DOHC ZC (JDM 'EF' ECU) PM8 : 88-91 CRX HF PR2 : 89-91 ZC (Euro) PR3 : 89-91 JDM B16A EF8/9 PR3 -J00 or J51 : 92 JDM Integra B16A EF8/9 PW0 : 89-91 JDM B16A EF8/9 DA6-XSi PR4 : 90-91 Integra LS/GS PS9 : 88-91 4 door Civic EX Auto P05 : 92-95 OBD-1 Civic CX P06 : 92-95 OBD-1 Civic DX P07 : 92-95 OBD-1 Civic VX P08 : 92-95 OBD-1 Civic D15 JDM P0A : 94-95 OBD-1 Accord EX P13 : 93-95 OBD-1 Prelude Vtec P14 : 93-95 OBD-1 Prelude Si (non Vtec) P27 : 92-95 OBD-1 EG JDM Civic 1600 sohc P28 : 92-95 OBD-1 Civic Si/Ex P30 : 92-95 OBD-1 DelSol DOHC Vtec Si/EG SiR P54-G31 : 1997 Honda Accord 1.8 LS P61 : 92-93 OBD-1 Integra GSR P72 : 94-95 OBD-1 Integra GSR P72 : 96-00 OBD-2 Integra GSR P73 : 96-00 OBD-2 Integra Type-R (JDM & USDM) P74/75: 92-95 OBD-1 Integra LS/GS P75 : 96-00 OBD-2 Integra LS/GS P2N : 96+ OBD-2 Civic HX Coupe P2P : 96+ OBD-2 Civic EX Coupe P2E : 96+ OBD-2 Civic DX Coupe P2M : 96+ OBD-2 NZ Civic SOHC VTEC P2T : 99+ OBD-? Civic Si Coupe P5P : 97-00 OBD-2 Prelude Type-S (JDM ECU) PBA : 97+ US Acura 1.6EL PCT : 98+ JDM ITR / CTR PCX : 99+ OBD-? S2000 |
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