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 MANUALSRENAULT198318I 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEM - NON-TURBOTESTINGTESTING SYSTEM WHEN ENGINE WILL NOT STARTELECTRICAL CIRCUIT TEST
1983 Renault 18i 4D Sedan, Automatic
Electrical Circuit Test
1983 Renault 18i 4D Sedan, AutomaticSECTION Electrical Circuit Test
- Connect a 12-volt test light between the coil positive terminal and ground. Turn ignition switch "ON". Test light should light. If not, check feed wire to coil. See Fig 1.
- Connect test light between coil negative terminal and ground. Turn ignition switch "ON". Test light should again light. If not, check if coil primary circuit is broken or if electronic control unit's power transistor is shorted.
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.