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HOMESERVICE MANUALSDODGE AND RAM1995PICKUP R3500, 2D PICKUP, 8.0 W, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTERSELF DIAGNOSTIC TESTSTEST 8A - SHORT TO 5 VOLTS
1995 Dodge and Ram Pickup R3500, 2D Pickup, 8.0 W, RWD, Automatic

Test 8A - Short To 5 Volts

1995 Dodge and Ram Pickup R3500, 2D Pickup, 8.0 W, RWD, AutomaticSECTION Test 8A - Short To 5 Volts
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION in appropriate TESTS W/CODES article below. For appropriate wiring diagram, see WIRING DIAGRAMS  section. Perform TEST VER-1 after each repair.
  • TESTS W/CODES - 3.9L
  • TESTS W/CODES - 5.2L GASOLINE
  • TESTS W/CODES - 5.9L GASOLINE
    CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
    1. Using scan tool, indicate whether vehicle is equipped with specific module. For module/system options available, refer to MODULE APPLICATIONS table under IDENTIFICATION. Turn ignition off. Disconnect Transmission Control Module (TCM) connector, if equipped. Turn ignition to RUN position. If scan tool does not display BUS SHORT TO 5 VOLTS, replace TCM. Perform TEST VER-1.
    2. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Powertrain Control Module (PCM) connector. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, go to TEST 8B.
    3. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Controller Anti-Lock Brake (CAB) module connector, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, replace CAB module. Perform TEST VER-1.
    4. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Mechanical Instrument Cluster (MIC) or Electronic Instrument Cluster (EIC) connector. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, go to TEST 8E.
    5. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Vehicle Theft Security System (VTSS) module connector, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, replace VTSS module. Perform TEST VER-1.
    6. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect compass/mini-trip module connector, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, replace compass/mini-trip module. Perform TEST VER-1.
    7. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Infinity premium radio, if equipped. Turn ignition on. If scan tool 6does not display BUS SHORT TO 5 VOLTS, replace radio/CD player. Perform TEST VER-1.
    8. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Automatic Temperature Control (ATC) module connector, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, go to TEST 8F.
    9. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Wait 5 minutes before proceeding. Disconnect Air Bag Control Module (ACM) connector, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, replace ACM. Perform TEST VER-1.
    10. If scan tool displays BUS SHORT TO 5 VOLTS, turn ignition off. Disconnect Body Control Module (BCM) connectors, if equipped. Turn ignition on. If scan tool does not display BUS SHORT TO 5 VOLTS, go to TEST 8G. If scan tool displays BUS SHORT TO 5 VOLTS, disconnect scan tool from Data Link Connector (DLC).
    11. Using an external voltmeter, check voltage between DLC, CCD BUS positive circuit (Violet/Brown wire) and ground. If voltage is more than 4 volts, repair short to voltage in CCD BUS positive circuit. Perform TEST VER-1.
    12. If voltage is less than 4 volts, check voltage between DLC, CCD 6BUS negative circuit (White/Black wire) and ground.
    13. If voltage is more than 4 volts, repair short to voltage in CCD BUS negative circuit. Perform TEST VER-1. If voltage is less than 4 volts, 6replace scan tool cable or cartridge as necessary. Perform TEST VER-1.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.