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Home >> Chevrolet >> 1998 >> Lumina Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System - Remote >> System Testing >> All Doors Do Not Lock

All Doors Do Not Lock

  1. Reprogram all transmitters. See TRANSMITTER PROGRAMMING  under PROGRAMMING - PROCEDURES. Retry unlock function. If lock function worked on all doors after reprogramming transmitters, system okay. Verify system operation. If lock function did not work on all doors after reprogramming transmitters, go to next step.
  2. Turn ignition to OFF position. Disconnect remote control door lock receiver (RCDLR) Black 16-pin connector. Disconnect door lock relay connector. Using DVOM, measure resistance of Light Blue wire between RCDLR and door lock relay. If resistance is less than 2 ohms, go to next step. If resistance is not less than 2 ohms, go to step 4).
  3. Reconnect door lock relay. Using (10-amp) fused jumper, momentarily connect between battery voltage and RCDLR connector terminal "R" (Light Blue wire). If all doors lock, go to step 5). If all doors do not lock, go to step 6).
  4. Repair open in Light Blue wire between RCDLR and door lock relay.
  5. Check RCDLR connector for poor terminal contact. If connector is okay, replace RCDLR. Verify system operation.
  6. Check door lock relay connector for poor terminal contact. If connector okay, replace door lock relay. Verify system operation.
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