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MAP sensor wiring diagram - SL2 Saturn Cars & Trucks

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  • annep85 Jan 24, 2009

    just pulled and replaced engine and cant remember where all the sensor wiring goes, looking for a diagram to help me out. Thanks

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Please use this link to get the wiring diagram:

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528017eacc


Good luck...

Posted on Jul 31, 2008

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SOURCE: MAP or MAF Sensor Diagram for 2005 Town&Country Touring Van 3.8l.

Yes it has a sensor and they are color coded however I don't think it's called a maf or map sensor that’s a GM name, there would be three wires on it on ground one 5 volts reference and one for connection to the computer to tell the computer how much air flow there is, and the reading would be from 1.5 volts to 4 volts.

Posted on Jun 22, 2009

  • 373 Answers

SOURCE: map sensor

Hi...

On a 2.2 L. the map sensor is located Near the throttle body assemble. on intake manifold.

On a 3.0 L. Is located near the ECM on top of the intake manifold..

OK.. I hope you found if Not. Let me know .
I will looking for diagram to send.


Thank you for use fixya.

Posted on Jul 27, 2008

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SOURCE: MAP sensor location

Check this link for your concern, its has the location and how to test the MAP sensor http://www.autozone.com/az/cds/en_us/0900823d/80/04/f7/cf/0900823d8004f7cf/repairInfoPages.htm

Hope that helps..........

Posted on Aug 24, 2008

HellPoolHall
  • 74 Answers

SOURCE: not a 99 but an 04 wiring diagram for map sensor

All wires on the sensor go to the computer, one will be a standard power wire going to the sensor, and the other 2/3 will be resisted signals going from the sensor to the computer

Posted on Aug 05, 2008

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MAP Sensor TESTING
See Figures 3, 4 and 5
  1. Backprobe with a high impedance voltmeter at MAP sensor terminals A and C.
  2. With the key ON and engine off, the voltmeter reading should be approximately 5.0 volts.
  3. If the voltage is not as specified, either the wiring to the MAP sensor or the ECM may be faulty. Correct any wiring or ECM faults before continuing test.
  4. Backprobe with the high impotence voltmeter at MAP sensor terminals B and A.
  5. Verify that the sensor voltage is approximately 0.5 volts with the engine not running (at sea level).
  6. Record MAP sensor voltage with the key ON and engine off.
  7. Start the vehicle.
  8. Verify that the sensor voltage is greater than 1.5 volts (above the recorded reading) at idle.
  9. Verify that the sensor voltage increases to approximately 4.5. volts (above the recorded reading) at Wide Open Throttle (WOT).
  10. If the sensor voltage is as specified, the sensor is functioning properly.
  11. If the sensor voltage is not as specified, check the sensor and the sensor vacuum source for a leak or a restriction. If no leaks or restrictions are found, the sensor may be defective and should be replaced.



jturcotte_512.jpg

Fig. Fig. 3: Location of the MAP sensor-TBI system shown


jturcotte_513.jpg

Fig. Fig. 4: Probe the terminals of the MAP sensor to check for proper reference voltage


jturcotte_1792.gif

Fig. Fig. 5: Manifold Absolute Pressure (MAP) sensor wiring diagram








TPS TESTINGSee Figures 2, 3 and 4

  1. Backprobe with a high impedance voltmeter at TPS terminals A and B.
  2. With the key ON and engine off, the voltmeter reading should be approximately 5.0 volts.
  3. If the voltage is not as specified, either the wiring to the TPS or the ECM may be faulty. Correct any wiring or ECM faults before continuing test.
  4. Backprobe with a high impedance voltmeter at terminals C and B.
  5. With the key ON and engine off and the throttle closed, the TPS voltage should be approximately 0.5-1.2 volts.
  6. Verify that the TPS voltage increases or decreases smoothly as the throttle is opened or closed. Make sure to open and close the throttle very slowly in order to detect any abnormalities in the TPS voltage reading.
  7. If the sensor voltage is not as specified, replace the sensor.



jturcotte_514.jpg

Fig. Fig. 2: Using a DVOM, backprobe terminals A and B of the TPS sensor to check for proper reference voltage


jturcotte_515.jpg

Fig. Fig. 3: Using the DVOM, backprobe terminals C and B of the TPS sensor, open and close the throttle and make sure the voltage changes smoothly


jturcotte_1793.gif

Fig. Fig. 4: Throttle Position Sensor (TPS) wiring diagram

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Hi...

On a 2.2 L. the map sensor is located Near the throttle body assemble. on intake manifold.

On a 3.0 L. Is located near the ECM on top of the intake manifold..

OK.. I hope you found if Not. Let me know .
I will looking for diagram to send.


Thank you for use fixya.

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