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Chime Sounds With Driver's Seat Belt Fastened

  1. Ensure driver's seat belt is fastened. Using scan tool, select BODY, BODY COMPUTER and INPUT/OUPUT. Turn ignition on. Read SEAT BELT SW status on scan tool. If scan tool indicates SEAT BELT SW: CLOSED, go to next step. If scan tool does not indicate SEAT BELT SW: CLOSED, replace Body Control Module (BCM). See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  2. Disconnect seat belt switch 2-pin connector located at base of driver's seat belt buckle. Monitor scan tool display. If scan tool indicates SEAT BELT SW: CLOSED, go to next step. If scan tool does not indicate SEAT BELT SW: CLOSED, replace seat belt switch. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  3. Turn ignition off. Remove BCM from rear of junction block. See Figure . Using DVOM, measure resistance between seat belt switch connector terminal No. 1 (Light Green/Red wire) and ground. If resistance is less than 100 ohms, go to next step. If resistance is greater than 100 ohms, replace BCM. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  4. Disconnect junction block C1 connector. See Figure . Using DVOM, measure resistance between seat belt switch connector terminal No. 1 (Light Green/Red wire) and ground. If resistance is less than 100 ohms, repair short to ground in Light Green/Red wire. If resistance is greater than 100 ohms, replace junction block. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
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