LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System LF] >> DTC P1260

DTC P1260

DTC P1260  Immobilizer system problem 
DETECTION CONDITION 
  • The instrument cluster detects an immobilizer system malfunction (vehicles without advanced keyless and start system).
  • The keyless control module detects an immobilizer system malfunction (vehicles with advanced keyless and start system).

Diagnostic support note 
  • The MIL does not illuminate.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is not available.
  • The DTC is not stored in the PCM memory.
POSSIBLE CAUSE 
  • Immobilizer system malfunction
  • PCM malfunction
DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY RELATED SERVICE BULLETINS AVAILABILITY 
  • Verify related Service Bulletins availability.
  • Is any related Service Bulletins available?
 Yes Perform the repair or diagnosis according to the available Service Bulletins.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
2 VERIFY STORED DTC IN INSTRUMENT CLUSTER OR KEYLESS CONTROL MODULE 
 Yes Go to the applicable DTC inspection.
(See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)] ).
(See DTC TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)] ).
No Go to the next step.
3 VERIFY TROUBLESHOOTING OF DTC P1260 COMPLETED 
  • Clear the DTC from the PCM memory using the M-MDS.
  • Perform the KOEO self test.

    (See KOEO/KOER SELF TEST ).

  • Is the same DTC present?
 Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION ).
No Go to the next step.
4 VERIFY AFTER REPAIR PROCEDURE 
 Yes Go to the applicable DTC inspection.
(See DTC TABLE ).
No DTC troubleshooting completed.
scientia non olet · About LEMON Manuals