MAP Sensor Question/Problem...
#1
Honda-Tech Member
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MAP Sensor Question/Problem...
I'm in the process of putting OBD1 B20Vtec into my 97 Civic CX, I've got everything wired up pretty much but I'm lost of what to do about the MAP Sensor. I'm running a B16 Intake Manifold and it has a 2-Wire MAP Sensor, but my CX/OBD2a Wiring Harness has a plug for a 3-wire MAP Sensor..
I figured out that the Red/Green Wire is the Manifold Absolute Pressure Sensor (MAP), the Green/White wire is Sensor Ground (SG1), and the Yellow/Red wire is Sensor Voltage for MAP (VCC1) According to the OBD2a ECU Pin out Schematics. But I can't figure out which 2 of the 3 wires I should use on the 2-Wire MAP Sensor.
My b20vtec was in my 93 Integra which is OBD1 and I looked at the Wiring Diagram from the Haynes Manual and the OBD1 MAP Sensor is 3-Wire as well, So I'm guessing I'm using an OBD0 MAP Sensor?
Does anyone know what I should do or can anyone point me towards a How-To or Diagram?
I figured out that the Red/Green Wire is the Manifold Absolute Pressure Sensor (MAP), the Green/White wire is Sensor Ground (SG1), and the Yellow/Red wire is Sensor Voltage for MAP (VCC1) According to the OBD2a ECU Pin out Schematics. But I can't figure out which 2 of the 3 wires I should use on the 2-Wire MAP Sensor.
My b20vtec was in my 93 Integra which is OBD1 and I looked at the Wiring Diagram from the Haynes Manual and the OBD1 MAP Sensor is 3-Wire as well, So I'm guessing I'm using an OBD0 MAP Sensor?
Does anyone know what I should do or can anyone point me towards a How-To or Diagram?
#3
Honda-Tech Member
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Re: MAP Sensor Question/Problem...
Yeaah I was the map sensor wasn't mounted on the motor at all it was mounted on the firewall. It's all good im using the map from my DA Integra
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