LEMON Manuals: Even more car manuals for everyone
Home >> Oldsmobile >> 1997 >> Cutlass Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> Diagnosis & Repair >> DTC B2585, ALC Parking Light System Fault

DTC B2585, ALC Parking Light System Fault

  1. If BFC diagnostic system check was performed, go to next step. If BFC diagnostic system check was not performed, go to BFC DIAGNOSTIC SYSTEM CHECK  .
  2. If no other ALC DTCs exist, go to next step. If any other ALC DTCs exist, repair those DTCs first.
  3. Turn parking lights on. If all parking lights illuminate, go to next step. If all parking lights do not illuminate, go to step 5).
  4. Toggle parking lights on and off. Using scan tool, read BFC INPUT for PARK LAMP INPUT. If scan tool display toggles, go to step 12). If scan tool display does not toggle, go to next step.
  5. If scan tool displays INACTIVE, go to next step. If scan tool does not display INACTIVE, go to step 7).
  6. Locate and repair problem in audible warning system. See appropriate wiring diagram in WARNING SYSTEMS article. Go to step 12).
  7. Disconnect right I/P bussed electrical center 30-pin, Brown connector C2. Disconnect BFC 24-pin, Gray connector C2. Using DVOM, check resistance between right I/P bussed electrical center harness connector C2, terminal C10 (Brown wire) and BFC harness connector C2, terminal B8 (Brown wire). If resistance is 0-2 ohms, go to next step. If resistance is not 0-2 ohms, go to step 9).
  8. Using DVOM, check resistance between right I/P bussed electrical center harness connector C2, terminal C10 (Brown wire) and ground. If resistance is infinite, go to step 11). If not infinite, go to step 10).
  9. Repair open in Brown wire between BFC connector C2 and right I/P bussed electrical center connector C2. Go to step 12).
  10. Repair short to ground in Brown wire between BFC connector C2 and right I/P bussed electrical center connector C2. Go to step 12).
  11. Replace BFC. See REMOVAL & INSTALLATION  . Go to next step.
  12. Clear DTCs. Perform BFC DIAGNOSTIC SYSTEM CHECK  .
scientia non olet · About LEMON Manuals