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Home >> Oldsmobile >> 2000 >> Intrigue GL >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Remote Keyless Entry Systems >> Diagnostic Tests >> DTC B3103: Keyless Entry Data Link Circuit High >> Diagnostic Procedure
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Diagnostic Procedure

  1. If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, see DIAGNOSTIC SYSTEM CHECK  .
  2. Turn ignition off. Disconnect RCDLR. Connect a test light between terminal "E" and ground. See Figure . Turn ignition on, engine off. If test light is on, go to next step. If test light is off, go to step  4 .
  3. Check Light Green wire or Black wire between RCDLR connector terminal "E" and BCM connector C3 terminal A1 for short to power. See WIRING DIAGRAMS  . If problem was found, repair as necessary, and go to step  6 . If problem was not found, go to step  5 .
  4. Check RCDLR connector for poor connections. If connector is okay, replace RCDLR. See REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR)  under REMOVAL & INSTALLATION. Reprogram transmitters. See TRANSMITTER PROGRAMMING  under PROGRAMMING. Go to step  6 .
  5. Check BCM connectors for poor connections. If connectors are okay, replace BCM. See appropriate BODY CONTROL MODULES article. Go to next step.
  6. Using scan tool, clear DTCs. Operate system to verify repair.