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Home >> Dodge and Ram >> 2002 >> Durango Base, 5.9 Z, 4WD, Part Time >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> Symptom Tests >> Communication System >> No Response From Overhead Console
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No Response From Overhead Console

Possible Causes:

CAUTION: Always turn ignition off before disconnecting or connecting any control module connector. Failure to do so could result in damage to control module.
NOTE: Ensure vehicle being tested has a fully charged battery. If it does not, false symptoms may occur.
NOTE: For component location, see appropriate illustration under COMPONENT LOCATIONS  . For terminal identification, see appropriate illustration under CONNECTOR IDENTIFICATION  . For circuit and wire color identification, see WIRING DIAGRAMS  . For component removal and installation procedures, see appropriate component under REMOVAL & INSTALLATION  .
NOTE: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, see PCI BUS COMMUNICATION FAILURE  .

Testing:

  1. Turn ignition off. Connect DRBIII(R) to DLC. Turn ignition on. Disconnect the Overhead Console harness connector. Using a 12-volt test light connected to 12 volts, probe Overhead Console harness connector terminal No. 12. Does test light illuminate? If yes, go to next step. If no, repair open in Ground circuit. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  2. Turn ignition on. Using 12-volt test light connected to ground, probe Overhead Console harness connector terminal No. 6. Does test light illuminate? If yes, go to next step. If no, repair open in Fused Ignition Switch Output circuit. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
    3. NOTE: Ensure there is PCI Bus communication with other modules on the vehicle before proceeding. If not, see PCI BUS COMMUNICATION FAILURE  .
  3. Connect Scope Input Cable (CH7058) to channel one connector on DRBIII(R). Connect Cable-To-Probe Adapter (CH7062) and Black and Red test probes to scope input cable. Using the DRBIII(R), select PEP MODULE TOOLS, LAB SCOPE, LIVE DATA and 12 VOLT SQUARE WAVE. Press F2 for SCOPE. Press F2 and use DOWN arrow to set voltage scale to 20 volts. Set probe to x10. Press F2 again when complete. Connect Black test probe to ground. Connect Red test probe to Overhead Console harness connector terminal No. 5. Turn ignition on. Observe DRBIII(R) lab scope. Does voltage toggle from zero to approximately 7.5 volts? See Figure -Figure . If yes, go to next step. If no, repair open in PCI Bus circuit. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  4. If there are no possible causes remaining, replace Overhead Console. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
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