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Test 69A - Body Control Module No Response

NOTE: For connector terminal identification, see CONNECTOR  IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Turn ignition switch to OFF position. Disconnect Body Control Module (BCM) Black connector. Body controller is located behind right side kick panel. Check connector condition and clean or repair connector as necessary. Turn ignition switch to ON position. Put DRB in voltmeter mode. Measure voltage at BCM Black connector terminal No. 12 (Dark Blue/White wire). If voltage is less than 10 volts, go to step 6). If voltage is more than 10 volts, go to next step.
  2. Measure voltage at BCM Black connector terminal No. 16 (Pink wire). If voltage is less than 10 volts, repair open Pink wire. If voltage is more than 10 volts, go to next step.
  3. Turn ignition switch to OFF position. Put DRB in ohmmeter mode. Measure resistance at BCM Black connector terminal No. 13 (Blue/Light Green wire). If resistance is more than 15 ohms, repair open Blue/Light Green wire. If resistance is less than 15 ohms, go to next step.
  4. Using an external ohmmeter, with DRB connected to Data Link Connector (DLC), measure resistance of Violet/Brown wire between BCM Black connector terminal No. 14 and DLC terminal No. 4. If resistance is more than 5 ohms, repair open Violet/Brown wire. If resistance is less than 5 ohms, go to next step.
  5. Measure resistance of White/Black wire between BCM Black connector terminal No. 15 and DLC connector terminal No. 3. If resistance is more than 5 ohms, repair open White/Black wire. If resistance is less than 5 ohms, replace BCM.
  6. If voltage is less than 10 volts in step 1), remove and inspect fuse No. 14. See Figure . If fuse is open, go to step 8). If fuse is okay, reinstall fuse and go to next step.
  7. Ensure ignition switch is in ON position. Put DRB in voltmeter mode. Measure voltage at fuse No. 14 Dark Blue wire. If voltage is more than 10 volts, repair open Dark Blue wire between fuse panel and BCM. If voltage is less than 10 volts, repair open Dark Blue wire between fuse panel and ignition switch.
  8. If fuse is open in step 6), turn ignition switch to OFF position. Put DRB in ohmmeter mode. Measure resistance at fuse No. 14 Dark Blue/White wire. If resistance is less than 5 ohms, repair Dark Blue/White wire for short to ground and replace fuse No. 14. If resistance is more than 5 ohms, go to next step.
  9. Reconnect BCM Black connector. Measure resistance at fuse No. 14 Dark Blue/White wire. If resistance is less than 5 ohms, replace BCM and replace fuse No. 14. If resistance is more than 5 ohms, replace fuse No. 14.
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