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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Symptom Troubleshooting [Keyless Entry System] >> No.2 All Keyless Entry System Functions Inoperative [Keyless Entry System] >> Notes
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No.2 All Keyless Entry System Functions Inoperative [Keyless Entry System]: Notes

All on-board diagnostic functions inoperative 
DESCRIPTION 
  • Malfunction in BCM power supply circuit, door 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 system malfunction
    • BCM malfunction
    • Malfunction in wiring harness between BCM and door latch switch
  • 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
G08144197