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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> Heated and Cooled Seat Malfunction >> Circuit System Verification

Circuit System Verification

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. If both, the driver and passenger heated and cooled seats are inoperative, refer to Circuit/System Testing  for Driver and Passenger Heated/Cool Seats Inoperative.
  2. Ignition ON, observe the scan tool Driver Door Switch parameters listed below while pressing and releasing the appropriate switch. The readings should change between Inactive and Active or Off and ON.
    • Seat Back Heat Mode Sw.
    • Seat Cool Mode Switch
    • Seat Heat Mode Sw.
    • If the reading does not change between Inactive and Active or Off and ON, refer to the Seat Temperature Control Switch Component Testing . If the switch tests normal, replace the driver door module.
  3. Operate the driver heated/cooled seat in the three modes listed below for greater than 1.5 minutes each. Verify that no DTCs are set between each test, and the appropriate heat or cool seat mode operates.
    • Seat Back and Cushion Heat Mode
    • Seat Back Only Heat Mode
    • Seat Cool Mode
  4. Observe the scan tool Passenger Door Switch parameters listed below while pressing and releasing the appropriate switch. The readings should change between Inactive and Active or Off and ON.
    • Seat Back Heat Mode Sw.
    • Seat Cool Mode Switch
    • Seat Heat Mode Sw.
    • If the reading does not change between Inactive and Active or Off and ON, refer to the Seat Temperature Control Switch Component Testing . If the switch tests normal, replace the front passenger door module.
  5. Operate the passenger heated/cooled seat in the three modes listed below for greater than 1.5 minutes each. Verify that no DTCs are set between each test, and the appropriate heat or cool seat mode operates.
    • Seat Back and Cushion Heat Mode
    • Seat Back Only Heat Mode
    • Seat Cool Mode
  6. If all heated and cooled seat functions operate normal, but the heated/cooled seat switch indicators do not illuminate or are always ON, refer to the Seat Temperature Control Switch Component Testing . If the switch tests normal, replace the appropriate door module.
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