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.
1990 Toyota Land CruiserFACTORY OEM SERVICE PROCEDURE
Ignition System Connection Checks
- With ignition switch in OFF position, check connections of all 3 ignition coil primary circuits. Check for loose connections or corrosion. Tighten and/or clean connections as required.
- Check connection on primary feed wire to coil and ignitor. If loose or corroded connections exist, correct them and repeat SPARK TEST.
- If no spark output is observed or no problems were located and resolved in this test, proceed to IGNITION FEED CIRCUIT TEST under IGNITION COIL in this article.
Factory Service Tools
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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.
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