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Home >> Saab >> 2003 >> 9-3 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Automatic A/C-Heater Systems) >> Diagnostic Tests >> DTC B2495 & B2496: Mixed-Air Damper Stepping Motor (Loose Or Jammed Damper) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2001 Saab 9-3 and 2000 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove mixed-air stepping motor without disconnecting 6-pin connector. See Figure . Simultaneously press AUTO and OFF buttons on ACC control panel to activate ACC system calibration. See Figure . If stepping motor operates, go to next step. Replace stepping motor if it does not operate. When repairs are complete, go to step  3 .
  2. Manually operate mixed-air damper to ensure that damper is not sticking, loose or damaged. Repair mixed-air damper as necessary. If damper is okay, install mixed-air damper stepping motor and calibrate ACC control module. After repairs and calibration, go to next step.
  3. Using scan tool, clear all DTCs from all systems. Recheck A/C system operation for original complaint. If A/C system is operating properly and no DTC has been detected, repair is complete. If a DTC has been detected, a control module may need to be replaced. See CONTROL MODULES  under COMPONENT TESTS.
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