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

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Tuning Guide

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

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

Coolant Temp Fail Max:
This Coolant 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.
Coolant Temp Fail Max must be > Coolant Temp Fail Min.
User entries that do not meet this criteria are not allowed.
Min value = -50, Max value = 300

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

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

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