LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> DTC B1405 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2 and the X1 harness connector at the K9 Body Control Module.
  2. Test for less than 5 Ω between the X2 harness connector ground circuit terminal 2 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Test for less than 5 Ω between the X1 harness connector ground circuit terminal 1 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  4. Ignition ON, test for more than 11 V between the X2 harness connector terminal 1 and ground.
    • If less than the specified value test the control circuit for an open/high resistance.
  5. If all circuits test normal, replace the K9 Body Control Module.
scientia non olet · About LEMON Manuals