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Home >> Mazda >> 2015 >> 3 SV, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (On-Board Diagnostic - Immobilizer System) >> DTC B13D3 05/P1260 00 Security Indicator Light 13: Remote Transmitter Program Error >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC: B13D3:05/P1260:00 (IMMOBILIZER SYSTEM) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 INSPECT PUSH BUTTON START CONNECTOR 
  • Switch the ignition off.
  • Disconnect the negative battery cable.

    (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)

  • Disconnect the push button start connector.
  • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
  • Is the connector normal?
 Yes Go to the next step.
No Repair or replace the connector, then go to Step 4.
2 INSPECT START STOP UNIT CONNECTOR 
  • Disconnect the start stop unit connector.
  • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
  • Is the connector normal?
 Yes Go to the next step.
No Repair or replace the connector, then go to Step 4.
3 VERIFY IF MALFUNCTION CAUSE IS REMOTE TRANSMITTER 
 Yes Replace the remote transmitter, then go to the next step.
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING .)
No Go to Step 5.
4 VERIFY THAT REPAIRS HAVE BEEN COMPLETED 
 Yes Repeat the inspection from Step 1.

Go to the next step.
No Go to the next step.
5 VERIFY IF OTHER DTCs DISPLAYED 
  • Are any other DTCs displayed?
 Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [IMMOBILIZER SYSTEM] .)
No DTC troubleshooting completed.
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