Differences
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techtalk:evo:engctl03 [2020/08/06 02:15] ixl2relax [Low Fuel Sensor] |
techtalk:evo:engctl03 [2020/08/11 22:29] hippysmack [TMAP - Temperature/Manifold Absolute Pressure] |
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| - (Input Power) Probe the R/W wire ((Hippysmack)) lead and verify it has +5 volts. | - (Input Power) Probe the R/W wire ((Hippysmack)) lead and verify it has +5 volts. | ||
| - (Signal Out) Remove the hose from intake manifold and if needed add an extension to it so you can easily apply a vacuum with with a vacuum gauge or your mouth. | - (Signal Out) Remove the hose from intake manifold and if needed add an extension to it so you can easily apply a vacuum with with a vacuum gauge or your mouth. | ||
| - | - Draw as much vacuum as you can and seal it (with your tongue) while probing the V/W wire ((Hippysmack)) to read between 1.5-3.0 volts.((original value was 3.5 to 4.5 volts in thread footnoted - but 2005 EDM says higher vacuum = lower voltage)) | + | - Draw as much vacuum as you can and seal it (with your tongue) while probing the V/W wire ((Hippysmack)) to read between 1.5-3.0 volts.((original value was 3.5 to 4.5 volts in thread footnoted - but 2005 EDM says higher vacuum = lower voltage)) \\ You can also use a MityVac to create vacuum instead. See [[techtalk:ref:tools160#mityvac_vacuum_pump_function_and_usage|MityVac Vacuum Pump Function and Usage]] in the Sportsterpedia. |
| - Then release the vacuum slowly and see the voltage increase((footnoted thread says voltage drops - but 2005 EDM says less vacuum = higher voltage)) as you do, confirming the lead signal functions. | - Then release the vacuum slowly and see the voltage increase((footnoted thread says voltage drops - but 2005 EDM says less vacuum = higher voltage)) as you do, confirming the lead signal functions. | ||
| * This will confirm the functionality of the MAP sensor. | * This will confirm the functionality of the MAP sensor. | ||
