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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1104 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> Power Door Latch System Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Driver Door Open Sw. parameter located in the Driver Door Switch Data Display Inputs menu while opening and closing the driver door. The reading should toggle between ACTIVE and INACTIVE.
  2. Observe the scan tool front Passenger Door Open Sw. parameter located in the Passenger Door Switch Data Display Inputs menu while opening and closing the passenger door. The reading should toggle between ACTIVE and INACTIVE.
  3. Observe the interior lights while opening and closing the left rear passenger door. The interior lights should illuminate as the left rear door is opened.
  4. Observe the interior lights while opening and closing the right rear passenger door. The interior lights should illuminate as the right rear door is opened.