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 MANUALSINFINITI1992M30 2D CONVERTIBLEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - SYSTEM/COMPONENT TESTSFUEL SYSTEMFUEL DELIVERYSTART SIGNAL
1992 Infiniti M30 2D Convertible
Start Signal
1992 Infiniti M30 2D ConvertibleSECTION Start Signal
Start signal from ignition switch is used for ECU control of fuel pump and pressure regulator control solenoid. On Q45, start signal is used by ECU in controlling fuel pump control unit. See ENGINE SENSORS & SWITCHES .
RENDER: 1.0x
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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.