AEM 30-71XX Infinity Stand-Alone Programmable Engine Mangement System Full Manual User Manual

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Tuning Guide

Air Temp Sensor Input:
Select appropriate input for temperature sensor.

Air Temp Fail Min:
This Air Temp Fail Min should be set to a value that is just above the air temperature value when
the sensor is unplugged.
Air Temp Fail Max must be > Air Temp Fail Min.
User entries that do not meet this criteria are not allowed.
Min value = -50, Max value = 300

Air Temp Fail Max:
This Air Temp Fail Max should be set to a value that is just below the air temperature value when
the sensor is shorted. This will trigger the failsafe feature. This can be tested and entered by
carefully inserting each leg of a paper clip into each terminal of the wiring harness.
Air Temp Fail Max must be > Air Temp Fail Min.
User entries that do not meet this criteria are not allowed.
Min value = -50, Max value = 300

Air Temp Failsafe On:
When clicking, the failsafe feature is enabled. This is typically used when the sensor is
mistakenly unplugged or has failed.

Air Temp Failsafe:
The value entered here will be displayed and used for the air temperature corrections when the
sensor has failed or is simply unplugged. Min value = -50, Max value = 300

Air Temp Smoothing:
Value used to smooth signal. Min value = 0, Max value = 98