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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSYMPTOM TROUBLESHOOTING [IMMOBILIZER SYSTEM]NO.1 SECURITY LIGHT DISPLAY IS NOT NORMAL [IMMOBILIZER SYSTEM]DIAGNOSTIC PROCEDURE
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3

Diagnostic Procedure

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Diagnostic Procedure
STEP INSPECTION ACTION
1
  • Switch the ignition to ON.
  • Do other warning lights in the instrument cluster illuminate normally?
  • Do the warning lights illumination normal?
 Yes Go to the next step.
No Inspect the instrument cluster.
(See INSTRUMENT CLUSTER INSPECTION .)
2
  • Switch the ignition to ON.
  • Verify that the security light illuminates.
  • Does the security light remain illuminates for 2 min or more  ?
 Yes Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
No Go to the next step.
3
  • Switch the ignition to off.
  • Verify that the security light illuminates.
  • Does the security light remain illumination?
 Yes Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
No Go to the next step.
4
  • Switch the ignition to off.
  • Verify that the security light is flashing.
  • Does the security light flash normally?
 Yes Go to the next step.
No If the security light flashes with DTC patterns, perform the applicable DTC troubleshooting procedure.
(See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM] .)
(See DTC TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)] .)
If the security light does not flash, replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
5
  • Is the advanced keyless entry and push button start system equipped?
 Yes Go to the next step.
No Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
6
  • Disconnect the negative battery.
  • Disconnect the keyless control module connectors.
  • Connect the negative battery.
  • Switch the ignition to ON.
  • Verify that the security light illuminates.
  • Does the security light illuminate normally?
 Yes Replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
No Replace the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION .)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.