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Home >> Mazda >> 2005 >> 6 s, 4D Hatchback, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Symptom Troubleshooting (Keyless Entry System) >> No. 2 All On-Board Diagnostic Functions Inoperative >> Notes

No. 2 All On-Board Diagnostic Functions Inoperative: Notes

DETECTION CONDITION AND POSSIBLE CAUSES

2 All on-board diagnostic functions inoperative
DESCRIPTION 
  • Malfunction in door lock control module power supply circuit, door switch circuit, trunk lid compartment light circuit or door lock control module ground circuit.
POSSIBLE CAUSE 
  • Malfunction in IG1, B+ signal circuit of door lock control module
    • Door lock control module power supply fuse malfunction
    • Malfunction in wiring harness between door lock control module power supply fuse(s) and door lock control module itself
  • Malfunction in door lock control module's door open/closed signal circuit
    • Door switch system malfunction
    • Door lock control module malfunction
    • Malfunction in wiring harness between door lock control module and door switch
  • Malfunction in door lock control module's trunk lid open signal circuit
    • Trunk lid compartment light switch system malfunction
    • Door lock control module malfunction
    • Malfunction in wiring harness between door lock control module and trunk lid compartment light switch
  • Malfunction in door lock control module GND signal circuit
    • Malfunction in wiring harness between door lock control module and ground