Diagnostic Procedure
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
A/C STATUS INDICATOR FLASHING - DIAGNOSTIC PROCEDURE
| TEST | ACTION |
|---|---|
| 1 | Turn the ignition on. Which status indicator is flashing on the A/C-Heater Control Module?
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| 2 |
CAUTION:
The evaporator temperature must be above 18.3°C (65°F) and the work area ambient temperature must be above 21.1°C (70°F) to test A/C system operation.
NOTE:
The A/C status indicator can flash at two different rates, twice per second (fast rate) when the control is indicating that the AC Cooldown Test needs to be run, and once every two seconds (slow rate) when the AC Cooldown Test is in progress.
NOTE:
When the A/C status indicator is flashing, it will not indicate A/C operating status. However, the A/C switch will continue to function normally.
NOTE:
When the A/C status indicator is flashing, the EBL status indicator will not function. However, the EBL switch will continue to function normally. Start the engine.Turn the Blower control to the High position.With the DRBIII(R) in HVAC, System Tests, actuate the AC Cooldown Test. Allow one minute for test to complete.Does the DRBIII(R) display: Cooldown Test Passed?
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| 3 |
NOTE:
The EBL status indicator can flash at two different rates, twice per second (fast rate) when the control is indicating that the HVAC Door Recal needs to be run, and once every two seconds (slow rate) when the HVAC Door Recal is in progress.
NOTE:
When the EBL status indicator is flashing, it will not indicate EBL operating status. However, the EBL switch will continue to function normally.
NOTE:
When the EBL status indicator is flashing, the A/C status indicator will not function. However, the A/C switch will continue to function normally. With the DRBIII(R) in HVAC, System Tests, actuate the HVAC Door Recalibration Test.Does the DRBIII(R) display: Recalibration Test Passed?
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