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Scan Tool Inoperative

  1. Remove scan tool from DLC. Connect test light between ground and DLC terminal No. 16 (Orange wire). See WIRING DIAGRAMS  . Also see DATA LINK CONNECTORS article in WIRING DIAGRAMS. If test light comes on, go to step  3 . If test light does not come on, go to next step.
  2. Repair open in Orange wire between DLC and CIGAR LTR fuse (15-amp), located in instrument panel fuse block. Reconnect scan tool. If scan tool does not power up, go to next step.
  3. Connect test light between DLC terminals No. 5 (Black/White wire) and No. 16 (Orange wire). If test light comes on, go to step  5 . If test light does not come on, go to next step.
  4. Repair open in Black/White wire between left instrument panel junction block and DLC. Reconnect scan tool. If scan tool does not power up, go to next step.
  5. Connect test light between DLC terminals No. 4 (Black wire) and No. 16 (Orange wire). If test light comes on, go to next step. If test light does not come on, go to step  7 .
  6. Scan tool may be inoperative. Check scan tool operator's manual.
  7. Repair open in Black wire between DLC and ground. Reconnect scan tool. If scan tool does not power up, go to step  6 .
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