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 MANUALSINFINITI2012G37 SPORT, 2D COUPEREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - INTRODUCTION (2 OF 2) (COUPE)ASCD BRAKE SWITCHCOMPONENT INSPECTION (ASCD BRAKE SWITCH)
2012 Infiniti G37 Sport, 2D Coupe
Component Inspection (ASCD Brake Switch)
2012 Infiniti G37 Sport, 2D CoupeSECTION 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.
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.
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. Refer to "EXPLODED VIEW ".
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.