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Home >> Mazda >> 2016 >> 5 GS, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Symptom Troubleshooting - Keyless Entry System >> No. 2 All Keyless Entry System Functions Inoperative >> Notes
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No. 2 All Keyless Entry System Functions Inoperative: Notes

NO. 2 ALL KEYLESS ENTRY SYSTEM FUNCTIONS INOPERATIVE (KEYLESS ENTRY SYSTEM) DESCRIPTION AND POSSIBLE CAUSE

2 All keyless entry system functions inoperative
DESCRIPTION
  • Malfunction in BCM power supply circuit, door latch switch circuit, sliding door switch circuit, liftgate latch switch circuit, BCM ground circuit, or keyless receiver.
POSSIBLE CAUSE
  • Malfunction in IG1 or power supply signal circuit of BCM
    • BCM power supply fuse malfunction
      • Malfunction in wiring harness between BCM power supply fuses and BCM
  • Malfunction in door open/closed signal circuit of BCM
    • Door latch switch malfunction
    • Sliding door switch malfunction
    • BCM malfunction
    • Malfunction in wiring harness between BCM and door latch switch
      • Malfunction in wiring harness between BCM and sliding door switch
  • 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 BCM GND signal circuit
    • Malfunction in wiring harness between BCM and ground
  • Malfunction in keyless receiver
    • Keyless receiver malfunction
      • Malfunction in wiring harness between keyless receiver and BCM
G13727801Courtesy of MAZDA MOTORS CORP.