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Home >> Mazda >> 2007 >> CX-7 Touring, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic (Advanced Keyless System) >> DTC B2477[Advanced Keyless System] >> Diagnostic procedure

Diagnostic procedure

DTC B2477[ADVANCED KEYLESS SYSTEM] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 PERFORM INSTRUMENT KEYLESS CONTROL MODULE CONFIGURATION 
  • Perform keyless control module configuration.
  • Is the DTC displayed?
    • M-MDS: B2477
Yes Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION[ADVANCED KEYLESS SYSTEM] ).
No Go to the next step.
2 VERIFY TROUBLESHOOTING OF DTC B2477 COMPLETED 
  • Clear the DTC from the memory.
  • Is any DTC displayed?
Yes Go to the applicable DTC inspection.
No DTC troubleshooting completed.