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Home >> Mazda >> 2017 >> 5 GT, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Symptom Troubleshooting - Keyless Entry System >> No. 1 Keyless Entry System Does Not Operate Normally >> Notes
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No. 1 Keyless Entry System Does Not Operate Normally: Notes

NO. 1 KEYLESS ENTRY SYSTEM DOES NOT OPERATE NORMALLY (KEYLESS ENTRY SYSTEM) DESCRIPTION AND POSSIBLE CAUSE

1 Keyless entry system does not operate normally
DESCRIPTION
  • Malfunction in door lock linkage system, or BCM
POSSIBLE CAUSE
  • Malfunction in BCM power supply
    • Open circuit in IG1 and/or B+ power supply circuit
    • Open or short circuit in ground circuit
      • BCM malfunction
  • Malfunction in key reminder switch related circuit
    • Key reminder switch malfunction
  • Malfunction in door latch switch/sliding door switch signal circuit
    • Open or short circuit in wiring between BCM and door latch switch
    • Open or short circuit in wiring between BCM and sliding door switch
    • Door latch switch malfunction
      • Sliding door switch malfunction
  • Malfunction in liftgate latch switch signal circuit
    • Open or short circuit in wiring between BCM and liftgate latch switch
      • Liftgate latch switch malfunction
  • Malfunction in door lock/unlock signal circuit
    • Door lock actuator malfunction
      • Open or short circuit in wiring between BCM and door lock actuator
  • Malfunction in turn light signal circuit
    • BCM malfunction
      • Open or short circuit wiring between BCM and each turn signal light
G13727800Courtesy of MAZDA MOTORS CORP.