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Test G: Scan Tool Does Not Power Up

NOTE: Data Link Connector (DLC) is unable to provide battery voltage or ground to scan tool.
  1. Test Orange wire between RADIO, HVAC, RFA, CLUSTER, DATA LINK fuse (15-amp) located in instrument panel fuse block and Data Link Connector (DLC) terminal No. 16 for an open or short to ground. See Figure . DLC is located below left side of instrument panel, to right of steering column. See Figure If open or short to ground is not found, go to next step. If open or short to ground is found, repair as necessary. After repair, perform BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Test Black wire between DLC terminal No. 4 and ground point located behind right side of glove box. If an open is not found, go to next step. If an open is found, repair as necessary. After repair, perform BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  3. Check for poor connections at DLC terminals No. 4 and No. 16. If poor connections are not found, go to next step. If for poor connections are found, repair as necessary. After repair, perform BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  4. Scan tool may be defective. Refer to scan tool operator's manual. Replace scan tool. After repair, perform BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
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