LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> On-Board Diagnostic [Advanced Keyless Entry System And Push Button Start System] >> DTC B102B:51 [Advanced Keyless Entry And Push Button Start System] >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Procedure

Step Inspection Action
1 VERIFY NUMBER OF PROGRAMMED ADVANCED KEYS 
Yes Go to the next step.
No Program a new advanced key, then go to the next step.
(See ADVANCED KEY ID CODE REGISTRATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
2 VERIFY TROUBLESHOOTING COMPLETED 
Yes Replace the keyless control module, then go to the next step.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
No Go to the next step.
3 VERIFY THAT NO OTHER DTCs ARE PRESENT 
  • Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
No DTC troubleshooting completed.