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 MANUALSTOYOTA19904RUNNER 2D UTILITY, 3.0 V, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTING - EFIIGNITION CHECKS (SUPRA TURBO)DIAGNOSTIC CODESCODE 14 (IGNITION SIGNAL PROBLEM)
1990 Toyota 4Runner 2D Utility, 3.0 V, Standard
Code 14 (Ignition Signal Problem)
1990 Toyota 4Runner 2D Utility, 3.0 V, StandardSECTION Code 14 (Ignition Signal Problem)
ECU will store Code 14 in memory if it does not receive IGF (ignition detection) signal 3 times in succession.
CAUTION:
A loss of IGT, IGDA or IGDB signal will cause a no-start condition.
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.