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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 108 (ENGINE CONTROL SYSTEM - COMPONENT TESTING)ASCD INDICATORCOMPONENT FUNCTION CHECK
2012 Infiniti G37 Sport, 2D Coupe
Component Function Check
2012 Infiniti G37 Sport, 2D CoupeSECTION Component Function Check
WARNING: This page is about a different car, the 2012 Infiniti G25. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
ASCD INDICATOR CONDITION SPECIFICATION CRUISE - Ignition switch: ON
- MAIN switch: Pressed at the 1st time → at the 2nd time
ON → OFF SET - MAIN switch: ON
- When vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH)
- ASCD: Operating
ON - ASCD: Not operating
OFF Is the inspection result normal?
YES: INSPECTION END
NO: Go to "DIAGNOSIS PROCEDURE ".
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.