LEMON Manuals: Even more car manuals for everyone
Home >> Oldsmobile >> 1999 >> Intrigue GL, 3.5 H >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Body Control Modules) >> Diagnostic Tests >> DTC B2559: Theater Dimming Ground Circuit (Open) >> Testing

DTC B2559: Theater Dimming Ground Circuit (Open): Testing

WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. If BCM diagnostic system check was performed, go to next step. If BCM diagnostic system check was not performed, go to BCM DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS.
  2. Turn ignition off. Disconnect BCM Natural 10-pin connector C3. Turn ignition on. Connect test light between battery voltage and BCM harness connector C3, terminal "E" (Black wire). See WIRING DIAGRAMS  . See Figure . If test light comes on, go to next step. If test light does not come on, go to step  5 .
  3. Turn ignition off. Reinstall all components and connectors. Turn ignition on. Using scan tool, clear DTCs. Check for DTCs. If DTC B2559 is set, go to next step. If DTC B2559 is not set, go to step  6 .
  4. Check for poor connection at BCM connector C3, terminal "E" (Black wire). If connection is okay, replace BCM. See BODY CONTROL MODULE (BCM)  under REMOVAL & INSTALLATION. Reprogram BCM. See NEW BCM SETUP  under PROGRAMMING. Go to step  7 .
  5. Repair poor connection or open in Black wire between BCM connector C3 and ground. Go to step  7 .
  6. System is operating properly at this time. After any repairs are made, go to next step.
  7. Turn ignition off. Reinstall all components and connectors. Turn ignition on. Using scan tool, clear DTCs. Check for DTCs. If any DTCs are current, perform BCM DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS. If no DTCs are current, system is operating properly.
scientia non olet · About LEMON Manuals