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-DATSUN1991240SX LE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIGNITION CHECKSOPTICAL (EXCEPT 300ZX)IGNITION COIL POWER SOURCE
1991 Nissan-Datsun 240SX LE, Standard
Ignition Coil Power Source
1991 Nissan-Datsun 240SX LE, StandardSECTION Ignition Coil Power Source
- Disconnect ignition coil 2-wire connector. Turn ignition on. Check for voltage at wire terminal specified in IGNITION COIL POWER SOURCE TERMINAL IDENTIFICATION table.
- If voltage is present, go to POWER TRANSISTOR test. If voltage is not present, check continuity of entire circuit between battery and ignition coil, including fuse link and ignition switch.
IGNITION COIL POWER SOURCE TERMINAL ID
| Application | Wire Color |
|---|---|
| Maxima | White/Green |
| Pathfinder & Pickup | Black/White |
| NX, Sentra, Stanza & 240SX | Black/Red |
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.