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Home >> Plymouth >> 1992 >> Voyager Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Vehicle Communications Tests >> Test 1A - Blank DRB-II Message Screen
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Test 1A - Blank DRB-II Message Screen

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For appropriate wiring diagram, see WIRING DIAGRAMS .
  1. Disconnect DRB-II. Using an external voltmeter, check voltage at terminal No. 5 (Red wire) at Chrysler Collision Detection (CCD) bus diagnostic connector. Connector is located underneath dash at left side of steering column. If voltage is more than 10 volts, perform TEST 1B . If voltage is less than 10 volts, go to next step.
  2. Remove fuse No. 23 from fuse block. Inspect fuse. If fuse is blown, go to next step. If fuse is not blown, using an external voltmeter, check voltage available to fuse that was removed. If voltage is more than 10 volts, repair open wire between fuse block and CCD bus diagnostic connector. Perform VERIFICATION TEST - VERIFICATION OF REPAIRS . If voltage is less than 10 volts, repair open wire to fuse block. Perform VERIFICATION TEST - VERIFICATION OF REPAIRS .
  3. Using an external ohmmeter, check resistance between fuse output terminal (at fuse block) and ground. If resistance is less than 5 ohms, repair short to ground in wiring. Perform VERIFICATION TEST - VERIFICATION OF REPAIRS . If resistance is more than 5 ohms, replace blown fuse. Perform VERIFICATION TEST - VERIFICATION OF REPAIRS .
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