Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSSYMPTOM TROUBLESHOOTING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]NO.3 PUSH BUTTON START SYSTEM DOES NOT OPERATE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]NOTES

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3

No.3 Push Button Start System Does Not Operate [Advanced Keyless Entry And Push Button Start System]: Notes

2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Notes

3	Push button start system does not operate
DESCRIPTION	Cannot switch to ACC or ignition to ON Engine does not start
Possible Causes	Advanced key battery malfunction (battery power depleted) Advanced key malfunction Keyless control module malfunction Open or short circuit in keyless control module power supply ENG+B fuse or ROOM fuse malfunction Front keyless antenna malfunction Open or short circuit in wiring harness between front keyless antenna and keyless control module Open or short circuit in wiring harness between push button start switch and keyless control module PCM malfunction Engine starting system malfunction Short to power supply in starter relay wiring harness Steering lock unit malfunction Open or short circuit in wiring harness between keyless control module and steering lock unit Relay block (ACC relay, IG1 relay, IG2 relay) malfunction Open or short circuit in wiring harness between relay block (ACC relay, IG1 relay, IG2 relay) and keyless control module CAN system malfunction. Effect of after-market electronic device 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.