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Anti-Theft System

NOTE: The following test procedures are for DTC P1260.
Fig 1: Anti-Theft System Detection Condition Possible Cause
G03723728Courtesy of MAZDA MOTORS CORP.
ANTI-THEFT SYSTEM INSPECTION/ACTION CHART

STEP INSPECTION ACTION
1 CHECK ALL OTHER PASSIVE ANTI-THEFT (PATS) DTCs Yes Go to next step.
No See ANTI-THEFT -- PASSIVE ANTI-THEFT SYSTEM (PATS .
2 CHECK FOR OTHER POWERTRAIN DTCs
  • Repair all other powertrain DTCs before P1260.
  • Have all other powertrain DTCs been diagnosed? 
Yes Go to next step.
No Go to appropriate DTC Troubleshooting.
3 ATTEMPT TO START ENGINE
  • Complete Keep Alive Random Access Memory (KAM). Reset to clear DTC 1260. This reset initializes the PCM to communicate with the PATS.
  • Attempt to start the engine.
  • Does the engine start? 
Yes No system faults exists at this time.
For intermittent No Starts or Start Stalls, check for intermittent PATS faults.
NOTE:
  • PATS cannot stall the engine after 1 second of operation.

For intermittent Stalls while driving, verify WDS or equivalent tester to PCM communication during concern. If PCM communication error occurs, possible causes are:
  • Loss of PWRS or GNDS to PCM.
  • Faulty PCM PWR relay.
  • Faulty EEC PWR diode.

Repair as necessary and return vehicle to customer.
No DTC P1260 is not the cause of the No Start.
SYMPTOM TROUBLESHOOTING CHART - STARTING SYSTEM  to diagnose the No Start symptom.