OBD1 Computers.

[SIKCVC]

Hey guys, what are the different Types of OBD1 computers? And how can you tell which is which?

[McChook]

Hey guys, what are the different Types of OBD1 computers? And how can you tell which is which?

Ugh

http://www.hondata.com/ecus.html


1989-2001

ECU Connectors Country Vehicle VTEC IAB Knock Hondata Systems Notes
PR3 OBD0 JDM 89-91 Integra XSi Y Y Stage 2/3/4 9
PW0 OBD0 JDM 89-91 Civic/CRX SiR Y Y Stage 2/3/4 9
PR4 OBD1 US 92-93 Integra LS/GS s100/s200 1,2
P06 OBDI US 92-95 Civic DX s100/s200 1,2
P08J OBDI JDM 92-95 Civic D15z Y s100/s200 1,2
P28 OBDI US 92-95 Civic Si/EX Y s100/s200 1,2
P30-A OBDI US 92-95 Del Sol VTEC Y Y s100/s200 1,2
P30-O OBDI JDM 92-95 Civic/CRX Y Y s100/s200 1,2
P30-G OBDI Asia/Euro 92-95 Civic/CRX Y s100/s200 2
P61 OBDI US 93 Integra GSR Y Y s100/s200 1,2
P72 OBDI US 94-95 Integra GSR Y Y Y s100/s200 1,2
P72J OBDI JDM 92-95 Integra VTEC Y Y Y s100/s200 1,2
P74 OBDI US 94 Integra LS/GS s100/s200 1,2
P75 OBDI US 95 Integra LS/GS s100/s200 1,2



2002-2004 (K-Series)

ECU Connectors Country Vehicle VTEC IAB Knock Hondata Systems Notes
PRB OBD2 US 02-04 RSX Type-S Y Y K-Pro/Reflash 16
PND OBD2 US 02-04 RSX Base Y Y Y K-Pro/Reflash 12,13,16
PNF OBD2 US 02-04 Civic SI Y Y K-Pro/Reflash 12,16
PRA OBD2 UK 02-04 Euro Civic Type R Y Y Reflash 15,16
PRC OBD2 JDM 02-04 Integra Type R Y Y K-Pro/Reflash 16
PRD OBD2 JDM 02-04 Civic Type R Y Y K-Pro/Reflash 16
PPA OBD2 US 02-04 CRV Y Y Y K-Pro 12,14,16

[Nuttz]

yeah you'll find a barcode and a big number on your ECU and it'll have the 3 letter number from that list there somewhere,

[SIKCVC]

ECU Connectors Country Vehicle VTEC IAB Knock Hondata Systems Notes
PR3 OBD0 JDM 89-91 Integra XSi Y Y Stage 2/3/4 9
PW0 OBD0 JDM 89-91 Civic/CRX SiR Y Y Stage 2/3/4 9
PR4 OBD1 US 92-93 Integra LS/GS s100/s200 1,2
P06 OBDI US 92-95 Civic DX s100/s200 1,2
P08J OBDI JDM 92-95 Civic D15z Y s100/s200 1,2
P28 OBDI US 92-95 Civic Si/EX Y s100/s200 1,2
P30-A OBDI US 92-95 Del Sol VTEC Y Y s100/s200 1,2
P30-O OBDI JDM 92-95 Civic/CRX Y Y s100/s200 1,2
P30-G OBDI Asia/Euro 92-95 Civic/CRX Y s100/s200 2
P61 OBDI US 93 Integra GSR Y Y s100/s200 1,2
P72 OBDI US 94-95 Integra GSR Y Y Y s100/s200 1,2
P72J OBDI JDM 92-95 Integra VTEC Y Y Y s100/s200 1,2
P74 OBDI US 94 Integra LS/GS s100/s200 1,2
P75 OBDI US 95 Integra LS/GS s100/s200 1,2


If it is on the barcode, then theres an ECU missing off that list.

P29... ZC civic.

But I know that Hondata dont have any products for this computer hence the reason its not on that list. But damn, looks like it would have to be one of only a few theres a lot of computers there!

[crx_16x]

P29 is OBD0.

[SIKCVC]

So do OBD0 and OBD1 use the same sockets and looms?

[ECU-MAN]

NO. OBD0 have two connectors going into the ecu not 3. I could be wrong here But that is what I have been leed to belive

[acongdon]

P29 is OBD1 not OBD0.
They are from an EG Civic. In Australia: P29-Q0x are manual P29-Q5x are auto.
They are a small square style ECUs often referred to as 'JDM' style.

OBD0 has 3plugs on the car (2 sockets on the ECU).
OBD0 and OBD1 have quite different looms.

[crx_16x]

duh stupid me....

yes P29 is obd1 out of 92-95 ZC civic.

[SIKCVC]

91-95. civic :P but same diff.