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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Configurable Customer Control System) >> Diagnostic Information and Procedures >> DTC B1529 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Pontiac G8. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X3 harness connector at the BCM.
  2. Verify that a test lamp illuminates between the BCM F9 fuse B+ circuit terminal 3 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  3. Ignition OFF, connect the X3 harness connector at the BCM.
  4. Disconnect the harness connector at the turn signal/multifunction switch.
  5. Ignition ON, test for B+ between the B+ circuit terminal 6 and ground.
    • If less than the specified value, test the B+ circuit for a short to ground or an open/high resistance.
  6. Ignition OFF, connect the turn signal/multifunction switch.
  7. Disconnect the harness connector at the automatic transmission shift lock lever.
  8. Ignition ON, test for B+ between the B+ circuit terminal 2 and ground.
    • If less than the specified value, test the B+ circuit for a short to ground or an open/high resistance.
  9. If all circuits test normal, replace the BCM.
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