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Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic [Advanced Keyless Entry System] >> DTC B2170 [Advanced Keyless And Start System] >> Diagnostic Procedure

Diagnostic Procedure

DTC B2170 DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY 
  • Disconnect keyless control module connector and steering lock unit connector.
  • Is there continuity between keyless control module terminal 3N and steering lock unit terminal A?
 Yes Replace the steering lock unit and perform the resetting procedure for the steering lock unit.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION )
(See STEERING LOCK UNIT ID CODE REGISTRATION )
No Repair the wiring harness between the steering lock unit and keyless control module.
2 INSPECT KEYLESS CONTROL MODULE 
  • Turn the ignition switch to the ON position.
  • Is the DTC displayed?
    • M-MDS: B2170
 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 )
(See ADVANCED KEY ID CODE REGISTRATION )
(See STEERING LOCK UNIT ID CODE REGISTRATION )
(See KEYLESS CONTROL MODULE CONFIGURATION )
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM] )
No DTC troubleshooting completed.
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