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A/C Status Indicator Flashing

NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
NOTE: The evaporator temperature must be more than 55°F (12.7°C) and the work area ambient temperature must be more than 70°F (21.1°C) to test A/C operation.
  1. Turn the ignition on. If the A/C status indicator is flashing on the A/C-Heater Control Module, go to the next step. If the RECIRC Status Indicator is flashing on the A/C-Heater Control Module, go to step  3.
  2. The A/C status indicator will flash twice per second to indicate that the AC Cooldown Test needs to be run. The A/C status indicator will stop flashing twice per second if either the AC Cooldown Test returns passed, or if any button on the control is pressed, or by driving the vehicle more than eight miles during the current ignition cycle. The Power and A/C status indicators will flash alternately while the A/C Cooldown Test is running. Start the engine. Turn the Blower control to the high speed position. With the DRBIII® in HVAC, System Tests, actuate the AC Cooldown Test. If the DRBIII® displays: Cooldown Test Passed, the test is complete. If the DRBIII® does not display: Cooldown Test Passed, return to the symptom list and choose the symptom(s). See DIAGNOSTIC TROUBLE CODE IDENTIFICATION  table.
  3. The RECIRC status indicator will flash twice per second to indicate that the HVAC Door Recalibration Test needs to be run. The RECIRC status indicator will stop flashing twice per second if either the HVAC Door Recalibration Test returns passed, or any button on the control is pressed, or by driving the vehicle more than eight miles during the current ignition cycle. The Power and RECIRC status indicators will flash alternately while the HVAC Door Recalibration Test is running. With the DRBIII® in HVAC, System Tests, actuate the HVAC Door Recalibration Test. If the DRBIII® displays: Recalibration Test Passed, the test is complete. If the DRBIII® does not display: Recalibration Test Passed, return to the symptom list and choose the symptom(s). See DIAGNOSTIC TROUBLE CODE IDENTIFICATION  table.
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