converting to obd1

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Jun 14, 2007 | 02:35 PM

hatch96y7

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Joined: Aug 2006

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From: montebello, ca, us

converting to obd1

if i were to conver to obd 1 from obd2a
what exactly do i need to do.
i know i need a jumper harness.
but do i need to modify my harness at all or just an ecu and a jumper

Jun 14, 2007 | 03:33 PM

Mr.EM1_EK

Junior Member

Joined: Apr 2007

Posts: 780

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From: west palm beach, us

Re: converting to obd1 (hatch96y7)

yeah just the jumper harness and ecu.

Jun 14, 2007 | 04:43 PM

hatch96y7

Thread Starter

Joined: Aug 2006

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From: montebello, ca, us

Re: converting to obd1 (Mr.EM1_EK)

so i wouldnt need to get any extra wiring done just the jumper and also how many o2 sensors do u need

Jun 19, 2007 | 03:10 PM

rippinitup01

Honda-Tech Member

Joined: Feb 2007

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From: orange park,fl

Re: converting to obd1 (hatch96y7)

the obd1 ecu doesnt read all the sensors that an obd2 motor has and obd1 only uses the primary(1st) o2 sensor

Jun 19, 2007 | 03:26 PM

Relic1

Honda-Tech Member

Joined: Oct 2002

Posts: 5,152

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From: chicago burbs, Il, USA

it depends on which car you have and which engine/ECU. if you have a three wire IACV then you'll need to convert to a two wire. Otherwise it's pretty much plug and play.