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Bus (+) &/Or Bus (-) Open

  1. Ensure ignition off. Disconnect scan tool. Using a DVOM, measure voltage between ground and Data Link Connector (DLC) terminal No. 3 (Violet/Brown wire). If voltage is 2.3-2.6 volts, go to next step. If voltage is not 2.3-2.6 volts, go to step  3 .
  2. Measure voltage between ground and DLC terminal No. 11 (White/Black wire). If voltage is not 2.3-2.6 volts, go to next step. If voltage is 2.3-2.6 volts, replace scan tool cable or scan tool. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  3. Remove instrument cluster. Connect a jumper wire between ground and DLC connector terminal No. 11 (White/Black wire). Using DVOM, measure resistance between ground and instrument cluster connector C2 terminal No. 1 (White/Black wire). See Figure . If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, repair open in White/Black wire. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  4. Disconnect jumper wire. Connect a jumper wire between ground and terminal No. 3 on DLC connector. Measure resistance between ground and instrument cluster connector C2 terminal No. 2 (Violet/Brown wire). If resistance is less than 5 ohms, replace instrument cluster. See appropriate INSTRUMENT PANELS article. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS. If resistance is 5 ohms or greater, repair open in Violet/Brown wire. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
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