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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Manual HVAC Systems - Except Coupe >> Diagnostic Tests >> Test N: Common Output Shorted To Ground >> Test Procedure

Test Procedure

  1. Start engine. Using scan tool, erase BCM DTCs. Turn blower switch to low setting. Place temperature control switch to full heat for 30 seconds, then full cold for 30 seconds, then back to full heat for 30 seconds. Place mode selector switch in each position, pausing for 20 seconds in each detent position. Place mode selector switch in defogger position for 20 seconds, then recirculation position for 20 seconds, then back to defogger position for 20 seconds. Using scan tool, read BCM DTCs. If scan tool displays COMMON OUTPUT SHORTED TO GROUND, go to next step. If COMMON OUTPUT SHORTED TO GROUND does not appear in scan tool display, go to step  7.
  2. Turn ignition switch to OFF position. Disconnect BCM C2 connector. Close all doors and ensure all lights and courtesy lighting is off. Using DVOM, measure resistance between ground and BCM C2 connector terminal No. 15 (Dark Blue/White wire). See Figure. If reading is 100 ohms or more, go to next step. If reading is less than 100 ohms, repair short to ground in Dark Blue/White wire. See WIRING DIAGRAMS . After repair, go to step  7.
  3. Measure resistance between BCM C2 connector terminal No. 15 (Dark Blue/White wire) and terminal No. 10 (Dark Blue/Gray wire). See Figure. If reading is less than 100 ohms, go to next step. If reading is 100 ohms or more, replace and program BCM. See BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT. After repair, go to step  7.
  4. Disconnect blend door actuator connector. Using DVOM, measure resistance between BCM C2 connector terminal No. 10 (Dark Blue/Gray wire) and terminal No. 15 (Dark Blue/White wire). See Figure. If resistance is 100 ohms or more, replace blend door actuator. If resistance is less than 100 ohms, repair short between Dark Blue/Gray wire and Dark Blue/White wire. See WIRING DIAGRAMS . After repair, go to step  7.
  5. Connect blend door actuator harness connector. Disconnect mode door actuator connector. Using DVOM, measure resistance between BCM C2 connector terminal No. 10 (Dark Blue/Gray wire) and terminal No. 15 (Dark Blue/White wire). See Figure. If resistance is 100 ohms or more, replace mode door actuator. If resistance is less than 100 ohms, repair short between Dark Blue/Gray wire and Dark Blue/White wire. See WIRING DIAGRAMS . After repair, go to step  7.
  6. Turn ignition switch to OFF position. Visually inspect related wiring harness, connectors and components. Check for damaged or chafed wiring, damaged or broken connectors and/or components. Check for Technical Service Bulletins (TSBs) from manufacturer that may apply. Repair any faulty condition found as necessary. After repair, go to next step. If no faults are found, test is complete.
  7. After repair is complete, perform calibration test. See CALIBRATION TEST - HVAC DOOR MOTORS  under ADJUSTMENTS. Perform verification test. See BODY VERIFICATION TEST VER-1  under VERIFICATION TESTS.
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