Circuit System Verification
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- If both, the driver and passenger heated and cooled seats are inoperative, refer to Driver and Passenger Heated/Cool Seats Inoperative in Circuit/System Testing .
- 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 test in Circuit/System Testing . If the switch tests normal, replace the driver door module.
- 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
- If DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If a heated and cooled seat mode is inoperative, refer to Heated and Cooled Seat Malfunction in Circuit/System Testing .
- 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 test in Circuit/System Testing . If the switch tests normal, replace the front passenger door module.
- 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
- If DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If a heated or cooled seat mode is inoperative, refer to Heated and Cooled Seat Malfunction in Circuit/System Testing .
- 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 test. If the switch tests normal, replace the appropriate door module.