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Chart No. 9, Cannot Enter Diagnostics

  1. Turn ignition switch to LOCK position. Disconnect BCM 8-pin connector C1. Using a test light, backprobe between BCM harness connector C1 terminal "D" (Black wire) and battery. If test light illuminates, go to next step. If test light does not illuminate, go tostep 3).
  2. Using a test light, backprobe between BCM harness connector C1 terminal "G" (Orange wire) and ground. If test light illuminates, go to step 4). If test light does not illuminate, go to step 5).
  3. Repair poor connection or open in Black wire between BCM connector C1 and ground. Recheck system operation.
  4. Using a test light, backprobe between BCM harness connector C1 terminal "H" (Orange wire) and ground. If test light illuminates, go to step 6). If test light does not illuminate, go to step 7).
  5. Repair poor connection or open in Orange wire between BCM connector C1 terminal "G" and instrument panel fuse block. Recheck system operation.
  6. Disconnect BCM 32-pin connector C2. Using a test light, backprobe between BCM harness connector C2 terminal C13 (Pink wire) and ground. If test light illuminates, go to step 8). If test light does not illuminate, go to step 9).
  7. Repair poor connection or open in Orange wire between BCM connector C1 terminal "H" and instrument panel fuse block. Recheck system operation.
  8. Repair short to voltage in Pink wire between BCM connector C2 and instrument panel fuse block. Recheck system operation.
  9. Turn ignition on. Using a test light, backprobe between BCM harness connector C2 terminal D4 (Yellow wire) and ground. If test light illuminates, go to next step. If test light does not illuminate, go to step 11).
  10. Using a test light, backprobe between BCM harness connector C2 terminal C9 (Orange/Black wire) and ground. If test light illuminates, go to step 12). If test light does not illuminate, go to step 13).
  11. Repair poor connection or open in Yellow wire between BCM connector C2 and instrument panel fuse block. Recheck system operation.
  12. Check for poor connections at BCM. If connections are okay, replace BCM. See REMOVAL & INSTALLATION  . Recheck system operation.
  13. Repair poor connection or open in Orange/Black wire between BCM connector C2 and instrument panel fuse block. Recheck system operation.
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