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Old 01-28-2011, 11:02 AM   #1
acidcrakker
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OBD2 P13 pin out location

Hey, need to know the pinout locations on the p13 obd2 ecu.
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Old 01-28-2011, 11:23 AM   #2
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Originally Posted by acidcrakker View Post
Hey, need to know the pinout locations on the p13 obd2 ecu.
Not from a p13, but i guess it will do it.

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Old 01-28-2011, 11:33 AM   #3
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Is that the 96 obd2 ecu. I need that one in particular because they differ from the 97 and up ecu's
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Old 01-28-2011, 11:35 AM   #4
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Originally Posted by acidcrakker View Post
Is that the 96 obd2 ecu. I need that one in particular because they differ from the 97 and up ecu's
This is from an obd2-A.. not B... BUT... i know p13 from 96 4th gens may differ a little... Print that in colour, and inspect the wires colours... if they match then you are good to go. Im preety sure this pinout location i posted will do it. Maybe with the pins you need...

Compare it and let me know...
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Old 01-28-2011, 11:40 AM   #5
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Here you go... it has some extra pins.. but its the same.

OBDII H22a 96

Layout
A1->A11----Blank--C1->C10---D1->D5
A12->A24--Blank--C11->C22--D6->D12
A25->A32--Blank--C23->C31--D13->D16

Pin---Color ---------Desc.
A1----yel------------Injector #4
A2----blu------------Injector #3
A3----red------------Injector #2
A4----brn------------Injector #1
A5----orn/blu-------Secondary O2 heater
A6----blk/wht-------HO2S heater
A7----orn------------EGR Control Solenoid Valve
A8----grn/yel-------VTEC Solenoid Valve
A9----brn/blk-------GND (dig)
A10---blk------------GND (power)
A11---yel/blk-------PGM-FI Power
A12---blk/blu-------Idle Air Control Valve
A13
A14
A15---red/yel-------Evap Purge Control Solenoid Valve
A16---grn/orn-------Fuel Pump Relay
A17---pnk/blu-------A/C Clutch Relay
A18---gry/red-------MIL
A19---wht/grn-------ALT
A20---yel/grn--------ICM
A21
A22---brn/blk--------GND (dig)
A23---blk------------GND (power)
A24---yel/blk--------PGM-FI Power
A25---wht-----------Intake Control Solenoid Valve
A26---red/blu-------IAB Control Solenoid Valve
A27---grn-----------Radiator Fan Relay
A28---grn/wht------EVAP Bypass Solenoid Valve
A29---orn/grn------Evap control cansiter vent shut valve
A30
A31-
A32-

C1---lt grn/blk------Ref. Voltage for ATTS or TCM (not used)
C2---blu------------CKP Detect
C3---grn------------TDCP Detect
C4---yel------------CKP Detect
C5---blu/orn-------A/C Switch Signal Input
C6---blu/red-------Starter Switch Input
C7---red/wht-------SCS
C8---lt grn ---------K Line (scan tool)
C9-- -
C10---wht/yel------ECM Backup Power
C11-- -
C12---wht----------CKP GND
C13---red----------TDC M Side
C14---blk----------CYP M Side
C15---blu/blk------VTEC Pressure Switch
C16---grn----------P/S Pressure Switch
C17---wht/grn-----ALT Detect signal
C18---blu/wht------VSS Signal
C19 -
C20 - -
C21 - -
C22---brn/yel------IMO Immobilizer Code Signal
C23- -
C24 - -
C25 - -
C26 - -
C27 - -
C28 - -
C29 - -
C30 - -
C31 - -

D1----red/blk----------TPS Detect
D2----red/wht---------ECT Engine Coolant Temp. Detect
D3----red/grn---------MAP Detect
D4----yel/red----------Vcc1 (Power for MAP)
D5----wht/blk----------BKSW Brake Switch Detect
D6----red/blu----------KS (Knock Sensor Detect)
D7----wht--------------HO2S Detect
D8----red/yel----------IAT Intake Air Temp Detect
D9----wht/blk----------EGR Valve Lift Sensor
D10---yel/blu----------Vcc2 (Provides Sensor Voltage)
D11---grn/blk----------SG2 (Sensor Ground)
D12---grn/wht---------SG1 (Sensor Ground)
D13- -
D14---wht/red---------SHO2S (Secondary O2 Sensor Detect)
D15---wht/blu---------PTANK (Detects fuel tank pressure signal)
D16---grn/red---------EL (Detects ELD Signal)

Note: some of the pins listed for OBDII don't apply to te 96 and were only added in 97 but the layout is the same.
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Old 01-29-2011, 08:58 AM   #6
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Would you happen to know the pin sizes of the following pins?

A8
C15
D6

I might have to do a small harness for someone with this ECU, Ive never done a harness for the ecu before. He has got like a Honda accord and is puttin in an obd2 motor with the obd2 P13. So I need to know what pin sizes to make with the ecu.
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Old 01-29-2011, 10:17 AM   #7
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Quote:
Originally Posted by acidcrakker View Post
Would you happen to know the pin sizes of the following pins?

A8
C15
D6

I might have to do a small harness for someone with this ECU, Ive never done a harness for the ecu before. He has got like a Honda accord and is puttin in an obd2 motor with the obd2 P13. So I need to know what pin sizes to make with the ecu.
Sizes? No man, sorry im clueless about that.
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Old 01-29-2011, 10:30 AM   #8
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OBD1 ecus have 2 different size pins.

Another question because I can just go to the junk yard and pull these.

Are these OBD2 pins the same as the other obd2 ecu's for the 97's and up?
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1995 Prelude Se (Luding Around)
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2013 F150 (Its a truck, run it over! LOL Can't do that in a Lude)
I got Vtec Sub Harnesses Again
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Old 01-29-2011, 12:13 PM   #9
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Quote:
Originally Posted by acidcrakker View Post
OBD1 ecus have 2 different size pins.

Another question because I can just go to the junk yard and pull these.

Are these OBD2 pins the same as the other obd2 ecu's for the 97's and up?
Sorry Jim, I never saw a 96 lude in my life. I wouldnt know... And it would be preety foolish from my part, to give erroneous information just to be repped. From my research, what i know is that all obd2 pins are the same. No matter if its REAL obd2... or a prelude 96obd2... But i cant tell you for sure, cause ive never saw one. Blake should know this, i guess.
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