Actuator Recalibration
Actuator Recalibration |
Note | ||
Do not adjust any controls on the HVAC control module while it is performing self-calibration. Interruption could cause the HVAC system to malfunction. |
When replacing the HVAC control module it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC control module be sure to perform the following:
1. |
Place the ignition switch to the OFF position.
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2. |
Disconnect the scan tool.
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3. |
Install the HVAC control module.
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4. |
Connect all previously disconnected components.
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5. |
Ignition ON.
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6. |
Wait 40 s for the HVAC control module to self-calibrate.
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7. |
Verify that no DTCs have set as current DTCs.
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When replacing the HVAC actuator it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC actuator be sure to perform one of the following:
Preferred Method (with Scan Tool)
1. |
Clear all DTCs. |
2. |
Place the ignition switch in the OFF position.
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3. |
Install the HVAC actuator.
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4. |
Connect all previously disconnected components.
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5. |
Start the vehicle.
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6. |
With the scan tool, initiate the HVAC Actuators re-calibration feature of the Remote Heater and Air Conditioning Control Module Special Functions menu.
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7. |
Verify that no DTCs have set as current DTCs.
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Alternate Method (without Scan Tool)
1. |
Clear all DTCs. |
2. |
Place the ignition switch to the OFF position.
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3. |
Install the HVAC actuator.
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4. |
Connect all previously disconnected components.
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5. |
Remove the HVAC control module fuse for a minimum of 10 s.
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6. |
Install the HVAC control module fuse.
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7. |
Ignition ON.
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8. |
Wait 40 s for the HVAC control module to self-calibrate.
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9. |
Verify that no DTCs have set as current DTCs.
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