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what color wire on MAP sensor goes where? obd1

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Old Jan 5, 2004 | 05:25 AM
  #1  
civicracer1993's Avatar
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Joined: Feb 2002
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From: Reading, PA
Default what color wire on MAP sensor goes where? obd1

i know where they go on ecu but which color goes to what? i have a 93 DX harness?
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Old Jan 5, 2004 | 09:07 AM
  #2  
xenocron's Avatar
 
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From: Hillburn, NY, USA
Default Re: what color wire on MAP sensor goes where? obd1 (civicracer1993)

On my ODB0 MAP:

Black wire = ground (constant 0 volts)
Red wire = constant 5v power (constant 5 volts)
Green wire = MAP output voltage (variable voltage)

Im pretty sure all Honda MAP sensors follow the same principle tho...regardless of OBD version
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Old Jan 5, 2004 | 09:42 AM
  #3  
turboxsi's Avatar
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Joined: Jun 2003
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From: Northern VA, USA
Default Re: what color wire on MAP sensor goes where? obd1 (xenocron)

The '93 harness is a obd-1 harness and i believe the colors are different from the obd0 harness plug for the map sensor.

Here's my obd-1 MAP sensor plug wire colors and there pinouts:

white--> D17 MAP Sensor Input About 3v
yellow/green--> D19 Reference Voltage About 5v With key on, engine off
green/blue--> D21 Sensor Ground Less Than 1v
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Old Apr 25, 2010 | 06:13 PM
  #4  
evo500's Avatar
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From: keyser, wv
Default Re: what color wire on MAP sensor goes where? obd1

this helped me out!
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