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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1193 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B1474 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, scan tool OFF, doors closed, disconnect the harness connector at the exterior passenger door handle switch.
  2. After 10 minutes, test for less than 10 Ω between the ground circuit terminal C and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Disconnect the X6 harness connector at the passenger door lock/window switch.
  4. Ignition ON, verify that the scan tool Remote Control Door Lock Receiver Ext. Psgr. Door Handle Switch parameter is Inactive.
    • If not the specified value, test the signal circuit terminal listed below for a short to ground. If the circuit tests normal, replace the remote control door lock receiver.
    • Terminal B-exterior passenger door handle switch Sedan/Wagon
    • Terminal D-exterior passenger door handle switch Coupe
  5. Ignition OFF, connect the X6 harness connector at the passenger door lock/window switch.
  6. Ignition ON, verify that the scan tool Remote Control Door Lock Receiver Ext. Psgr. Door Handle Switch parameter is Inactive.
    • If not the specified value, replace the passenger door lock/window switch.
  7. If all circuits test normal, test or replace the exterior passenger door handle switch.
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