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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Heated Seat Inoperative - Rear >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, use a scan tool to observe the Rear Heated Seat Module Rear Seat HVC Mode parameter while pressing the heated seat back and cushion switch. The reading should change between Off and Back and Cushion.
    • If not Back and Cushion, perform the Circuit/System Testing.
  2. While observing the Rear Seat HVC Mode parameter, press the heated seat back only mode switch. The reading should change between Back and Cushion and Back Only.
    • If not Back Only, perform the Circuit/System Testing.
  3. If both Rear Seat HVC Mode parameters displayed correctly and there are no DTCs set, replace the heated seat module.
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