Mazda DTC P1260 Diagnostic

DTC P1260

 

  

Immobilizer system problem

 
DETECTION CONDITION

• The instrument cluster detects an immobilizer system malfunction.

Diagnostic support note

• This is a continuous monitor (Other).

• The MIL does not illuminate.

• PENDING CODE is available if the PCM detects the above malfunction condition.

• FREEZE FRAME DATA is available.

• The DTC is not stored in the PCM memory.
POSSIBLE CAUSE

• Immobilizer system malfunction

• PCM malfunction

 

Diagnostic procedure

 
 

STEP

 

  

INSPECTION

 

  

ACTION

 

1
 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED

• Has FREEZE FRAME DATA been recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order, then go to the next step.

2
 VERIFY RELATED REPAIR INFORMATION AVAILABILITY

• Verify related service repair information availability.

• Is any related repair information available?

Yes

Perform repair or diagnosis according to the available repair information.

• If the vehicle is not repaired, go to the next step.

No

Go to the next step.

3
 VERIFY STORED DTC IN INSTRUMENT CLUSTER

• Turn the ignition switch to the ON position (Engine off).

• Verify stored DTCs in instrument cluster.

• Are DTCs stored?

Yes

Go to the appropriate DTC inspection.

No

Go to the next step.

4
 VERIFY TROUBLESHOOTING OF DTC P1260 COMPLETED

• Make sure to reconnect all disconnected connectors.

• Clear the DTC from the PCM memory using the WDS or equivalent.

• Start the engine.

• Is the same DTC present?

Yes

Replace the PCM, then go to the next step.

No

Go to the next step.

5
 VERIFY AFTER REPAIR PROCEDURE

• Perform the “AFTER REPAIR PROCEDURE”.

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

No

DTC troubleshooting completed.