LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2020 >> CT6 V >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel And Console Trim >> Diagnostic Information And Procedures >> DTC B324D >> Circuit/System Testing

Circuit/System Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: X1 @ K9 Body Control Module
  3. Ignition - On / Vehicle - In Service Mode
  4. Test for less than 1 V between the test points: Control circuit terminal 6 X1 @ Control module harness & Ground
    • If 1 V or greater 
    • Replace the component: X51A Fuse Block - Instrument Panel
    • Go to next step: If less than 1 V 
  5. Momentarily connect a 3 A fused jumper wire between the test points: Control circuit terminal 6 X1 & B+
  6. Verify a click can be heard or felt at the component when the scan tool control function was commanded: M91 Instrument Panel Compartment Door Unlatch Actuator
    • If a click cannot be heard or felt 
    • Replace the component: X51A Fuse Block - Instrument Panel
    • Go to next step: If a click can be heard or felt 
  7. Replace the component: K9 Body Control Module