auto obd2a to obd1 questions,
06-29-2008, 10:06 AM
#1
Honda-Tech Member
Thread Starter
auto obd2a to obd1 questions,
sup, i need some help/advice on this one.
my friend asked me to tune his 98 automatic turbod D.
so i got a random obd2a to obd1 harness and its missing the AT related wires,
i looked at FFSQUAD and the missing wires on the obd2 side are:
connector C:
TMB (AT related to tcm)
ATP (park and N or clutch switch)
ATCHK (detects tcm signal)
AFSA (AT tcm related)
AFSB (AT tcm related)
connector A:
SLU (brake lock)
any one know how/where to wire them on the obd1 side?
thanks
my friend asked me to tune his 98 automatic turbod D.
so i got a random obd2a to obd1 harness and its missing the AT related wires,
i looked at FFSQUAD and the missing wires on the obd2 side are:
connector C:
TMB (AT related to tcm)
ATP (park and N or clutch switch)
ATCHK (detects tcm signal)
AFSA (AT tcm related)
AFSB (AT tcm related)
connector A:
SLU (brake lock)
any one know how/where to wire them on the obd1 side?
thanks
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07-04-2008, 12:24 PM
#8
Honda-Tech Member
Re: auto obd2a to obd1 questions, (RACEPAK)
So what are you trying to tune? Automatic what? What ecu are you trying to use? The standard harnesses do not work. I make the automagic ones, but need more info.
07-04-2008, 05:50 PM
#10
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Re: auto obd2a to obd1 questions, (RACEPAK)
96+ auto trannys are a fair bit different than the older '92 - '95s electronically, so far as i can tell anyway, the old trannys had 2 solinoids, the 96+ have at least 3, its been a while since i've looked at one, but there are definately more solinoids, and i've got a strong suspicion that P28 isn't gonna be able to do anything with them either. Basically i think you might be SOL on this one. At the end of the day though it rarely makes any sense to put an automatic in a performance oriented civic.
07-05-2008, 07:46 AM
#11
Honda-Tech Member
Re: auto obd2a to obd1 questions, (94EG8)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94EG8 »</TD></TR><TR><TD CLASS="quote">96+ auto trannys are a fair bit different than the older '92 - '95s electronically, so far as i can tell anyway, the old trannys had 2 solinoids, the 96+ have at least 3, its been a while since i've looked at one, but there are definately more solinoids, and i've got a strong suspicion that P28 isn't gonna be able to do anything with them either. Basically i think you might be SOL on this one. At the end of the day though it rarely makes any sense to put an automatic in a performance oriented civic.</TD></TR></TABLE>
Fosho. The P28 operates two sensors/solenoids and the rest are controlled thru linkages. The OBD2 d-civic uses all electronically controlled sensors/solenoids. You will not be able to run the OBD2 tranny/sensors/solenoids and use the P28 ecu as a plug in and go setup. I have built some harnesses for people who have tried to use an OBD1 auto LS ecu and TCM and used Crome to tune the car for the d-series setup.
Fosho. The P28 operates two sensors/solenoids and the rest are controlled thru linkages. The OBD2 d-civic uses all electronically controlled sensors/solenoids. You will not be able to run the OBD2 tranny/sensors/solenoids and use the P28 ecu as a plug in and go setup. I have built some harnesses for people who have tried to use an OBD1 auto LS ecu and TCM and used Crome to tune the car for the d-series setup.
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