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 MANUALSNISSAN-DATSUN2004ALTIMA S, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEM - 2.5LDTC P1572: ASCD BRAKE SWITCHCOMPONENT INSPECTIONASCD CLUTCH SWITCH (FOR M/T MODELS)
2004 Nissan-Datsun Altima S, Automatic
ASCD Clutch Switch (For M/T Models)
2004 Nissan-Datsun Altima S, AutomaticSECTION ASCD Clutch Switch (For M/T Models)
- Turn ignition switch OFF.
- Disconnect ASCD clutch switch harness connector.
- Check continuity between ASCD Clutch switch terminals 1 and 2 under the following conditions.ASCD CLUTCH SWITCH TERMINALS CONTINUITY CONDITIONS
Condition Continuity When clutch pedal is fully released. Should exist. When clutch pedal is depressed. Should not exist. If NG, adjust ASCD clutch switch installation, refer to STOPLIGHT SWITCH & AUTOMATIC SPEED CONTROL DEVICE SWITCH and perform step 3 again (Check continuity...).
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.