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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 8A - No Chime With Seat Belt Unfastened & Key On For 6 Seconds

Test 8A - No Chime With Seat Belt Unfastened & Key On For 6 Seconds

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Always turn ignition off prior to disconnecting or connecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  section at the end of this article. Perform TEST VER-1B after each repair.
  1. Turn ignition off. Ensure left front door is closed. Unbuckle driver's seat belt. Turn ignition on, engine off. If chime sounds, system is okay at this time. If chime does not sound, go to next step.
  2. Using scan tool, read seat belt switch status. If scan tool does not display SEAT BELT CLOSED, go to TEST 93B. If scan tool displays SEAT BELT CLOSED, go to next step.
  3. Using scan tool, read ignition voltage. If voltage is more than 10 volts, go to TEST 3A. If voltage is less than 10 volts, go to next step.
  4. Disconnect Body Control Module (BCM) Blue connector. BCM is located behind left side knee panel. Check condition of connector, and clean or repair connector as necessary. If connector is okay, go to next step.
  5. Using scan tool in voltmeter mode, check voltage on BCM Blue connector terminal No. 6 (Dark Blue wire). If voltage is less than 10 volts, repair open Dark Blue wire. If voltage is more than 10 volts, replace BCM.