Ambient Air Temperature Calculation Reset (with Ambient Air Temperature Sensor Wired to ECM)
Diagnostic Instructions
Description
This procedure resets the control module learned values of the component/system: B9 Ambient Air Temperature Sensor Hardwired: K20 Engine Control Module.
When to Perform the Procedure
NOTE: Failure to perform this procedure may result in poor system performance, DTCs being set, or customer dissatisfaction.
Perform this procedure when the following component has been serviced: B9 Ambient Air Temperature Sensoror K20 Engine Control Module or Battery - Replaced.
Conditions for Running the Procedure
Engine = Off
Ignition = Run/Crank
Reference Information
Scan Tool Reference
Control Module References
With Scan Tool
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair:Diagnostic Repair Verification.
AMBIENT AIR TEMPERATURE SENSOR REPLACEMENT
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Preliminary Procedure
Front Bumper Fascia Replacement.
HEAD UP DISPLAY SWITCH REPLACEMENT
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Preliminary Procedure
Steering Column Upper Trim Cover Replacement.
HEAD-UP DISPLAY REPLACEMENT
Removal Procedure
1. Battery Negative Cable - Disconnect.
2. Instrument Panel Assembly - Remove.
3.
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Head-Up Display Bolt(1) - Remove[4x].
4. Electrical Connector(3)Disconnect[2x].
5. Head-Up Display(2) - Remove.
Installation Procedure
1.
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Install 3 new foam pads (1) to the head-up display (2) as shown in the graphic.
2.
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Head-Up Display(2) - Install.
3. Electrical Connector(3)Connect[2x].
4. Head-Up Display Bolt(1) - Install, but do NOT tighten[4x].
5.
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CAUTION: Fastener Caution.
Head-Up Display Bolt(1) - Tighten in sequence[4x] 2.5 N.m (22 lb in).
6. Instrument Panel Assembly - Install - Instrument Panel Assembly Replacement.
7. Battery Negative Cable - Connect.
8. Head-Up Display - Programming and Setup.
INSTRUMENT CLUSTER REPLACEMENT
Removal Procedure
1. Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG) - Disconnect.
2. Steering Column Upper Trim Cover Replacement - Remove.
3. Instrument Panel Center Trim Plate Applique Replacement - Remove.
4.
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Remove the instrument panel center air outlet bezel (1).
5. Unlock the retaining tabs.
6.
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Instrument Cluster Bolt(1) - Remove[2x].
7. Instrument Cluster(2) - Remove.
8. Unlock the retaining tabs.
9. Disconnect the electrical connector.(3)
Installation Procedure
1.
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CAUTION: Fastener Caution.
Instrument Cluster(2) - Install.
2. Connect the electrical connector.(3).
3. Instrument Cluster Bolt(1) - Install and tighten[2x] 2.5 N.m (22 lb in).
4.
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Install the instrument panel center air outlet bezel (1).
5. Instrument Panel Center Trim Plate Applique Replacement - Install.
6. Steering Column Upper Trim Cover Replacement - Install.
7. Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG) - Connect.
8. Control Module References - Programming and Setup.
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