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-DATSUN1991MAXIMA SE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIGNITION CHECKSOPTICAL (300ZX)IGNITION COIL/POWER TRANSISTOR RELAY
1991 Nissan-Datsun Maxima SE, Automatic
Ignition Coil/Power Transistor Relay
1991 Nissan-Datsun Maxima SE, AutomaticSECTION Ignition Coil/Power Transistor Relay
- Connect a 12-volt power source between terminals No. 1 and 2 of relay. See Fig 1 . Check continuity between terminals No. 3 and 5. Continuity should exist while relay is energized.
- Disconnect power source and check continuity between terminals No. 3 and 5. Continuity should NOT exist. Check harness and connectors. If harness and connectors are okay, replace ignition coil/power transistor relay.
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.