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Chime Inoperative With Drivers Seat Belt Unfastened

WARNING: This page is about a different car, the 2002 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Possible Causes are:

  1. Ensure the Drivers Seat Belt is not fastened. Using the DRBIII(R), select Body Computer and then Input/Output. Turn ignition on. Read the Seat Belt Sw Status on the DRBIII(R). Does the DRBIII(R) display Seat Belt Sw Closed? If yes, replace the Body Control Module. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
  2. Disconnect the Seat Belt Switch connector. Connect a jumper wire between Seat Belt Switch Sense circuit and the Ground circuit in the Seat Belt Switch connector. Using the DRBIII(R), select Body, Body Computer and then Inputs/Outputs. Turn ignition on. Read the Seat Belt Sw Status. Does the DRBIII(R) display Seat Belt Sw Closed? If yes, replace the Seat Belt Switch. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
  3. Disconnect the Seat Belt Switch connector. Connect a jumper wire between the Seat Belt Switch Sense circuit and chassis ground. Using the DRBIII(R), select: Body, Body Computer, Input/Output. Read the Seat Belt Sw, status. Does the DRBIII(R) show Seat Belt Sw: CLOSED? If yes, repair the open Ground wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, go to next step.
  4. Turn ignition off. Lower the Junction Block and gain access to the Junction Block C1 connector, but do not disconnect. Back probe a jumper wire between the Seat Belt Switch Sense circuit in the Junction Block C1 connector cavity No. 19 in the upper right corner to ground. Remove the Body Control Module from the Junction Block. Measure the resistance between ground and the Seat Belt Switch Sense circuit in the Junction Block to Body Control Module connector. Is the resistance less than 5 ohms? If yes, go to next step. If no, replace the junction block. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.
  5. Lower the Junction Block and gain access to the Junction Block C1 connector, but do not disconnect. Back probe a jumper wire between the Seat Belt Switch Sense circuit in the Junction Block C1 connector cavity No. 19 in the upper right corner to ground. Using the DRBIII(R), select: Body, Body Computer, Input/Output. Read the Seat Belt Sw status. Does the DRBIII(R) show Seat Belt Sw: CLOSED? If yes, repair the open Seat Belt Switch Sense wire. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, test is complete.
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