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 MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSSYMPTOM TROUBLESHOOTING [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]NO. 5 PUSH BUTTON START SYSTEM DOES NOT TURN OFF (IG OFF) [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

2011 Mazda 3 Mazdaspeed, 2.3 3

No. 5 Push Button Start System Does Not Turn Off (IG Off) [Advanced Keyless Entry And Push Button Start System]

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION No. 5 Push Button Start System Does Not Turn Off (IG Off) [Advanced Keyless Entry And Push Button Start System]

5	Push button start system does not turn off (ignition to OFF)
DESCRIPTION	Engine does not turn off even if engine shut off operation is performed. Electrical devices continue to operate after engine is turned off. Dead battery Engine does not turn off even if the emergency engine stop (continuously pressing the push button start or quickly pressing it any number of items) is performed.
Possible Causes	Communication error between keyless control module and ABS, DSC CM Relay block (ACC relay) malfunction Short to power supply in wiring harness between relay block (ACC relay) and keyless control module Relay block (IG1 relay) malfunction Short to power supply in wiring harness between relay block (IG1 relay) and keyless control module Relay block (IG2 relay) malfunction Short to power supply in wiring harness between relay block (IG2 relay) and keyless control module Keyless control module malfunction ABS, DSC CM malfunction CAN system malfunction Open circuit in wiring harness between push button start and keyless control module

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.