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.
2011 Infiniti M37 SportFACTORY OEM SERVICE PROCEDURE
Component Inspection (ASCD Brake Switch)
- CHECK ASCD BRAKE SWITCH-I
- Turn ignition switch OFF.
- Disconnect ASCD brake switch harness connector.
- Check the continuity between ASCD brake switch terminals under the following conditions.CONTINUITY REFERENCE
Terminals Condition Continuity 1 and 2 Brake pedal Fully released Existed Slightly depressed Not existed Is the inspection result normal?
YES: INSPECTION END
NO: GO TO 2.
- CHECK ASCD BRAKE SWITCH-II
- Adjust ASCD brake switch installation. Refer to "INSPECTION AND ADJUSTMENT ".
- Check the continuity between ASCD brake switch terminals under the following conditions.CONTINUITY REFERENCE
Terminals Condition Continuity 1 and 2 Brake pedal Fully released Existed Slightly depressed Not existed Is the inspection result normal?
YES: INSPECTION END
NO: Replace ASCD brake switch.
Factory Service Tools
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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.