AEM 30-6821 Series 2 Plug & Play EMS User Manual
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2. EMS Calibration
a. Connect to the EMS using AEMTuner.
b. Edit the Idle% vs. Target table, such that all cells are set to zero (0) percent.
c. Edit A/C Idle Load Comp and/or Idle Extra <12 Volt Options, to zero (0) percent.
d. Verify that the EMS parameter Idle Position parameter is zero (0) percent.
e. Select Wizards >> Set Throttle Range Wizard in the AEMTuner software and complete the procedure.
f.
Restore the above Options to their original values to ensure proper idle control functionality.
Re-calibrating the Electronic Throttle Control System (ETC) Calibration
Once the ETC system calibration procedure has been performed, it should not need to be re-calibrated unless
one or more of the following is true:
The APP sensor, TPS, or throttle body have been removed, replaced, or adjusted.
The EMS has been removed and installed in a different vehicle.
AEM Technical Support has requested it to be performed.
The following procedure describes the steps to re-activate calibration mode on a system that has already been
calibrated.
Activate Calibration Mode
a. Ensure the ignition key is in the OFF position.
b. Press and HOLD both the CRUISE and SET/COAST buttons. Please note that the CRUISE button is
activated by pressing the end of the Cruise Control Steering Column Stalk and the SET/COAST button
is activated by pulling the entire stalk downward as depicted in Figure 5. Both buttons must be
depressed and held prior to moving on to the next step.
c. Turn the ignition key to the ON position.
d. Keep holding both the CRUISE and SET/COAST buttons for approximately ten (10) seconds until the
CRUISE and SET indicator lights (Figure 3) begin flashing in unison at a medium rate.
e. Release the CRUISE and SET/COAST buttons.
f.
Calibration mode has now been activated. Follow the steps in Electronic Throttle Control System
Calibration Procedure
– Initial Calibration Procedure to complete the process.
Figure 5 -
Pressing the “SET/COAST” and “CRUISE” buttons