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.
2007 Infiniti FX45FACTORY OEM SERVICE PROCEDURE
Ignition Coil With Power Transistor
CAUTION:
Do the following procedure in the place where ventilation is good without the combustible.
- Turn ignition switch OFF.
- Disconnect ignition coil harness connector.
- Check resistance between ignition coil terminals as follows.RESISTANCE REFERENCE
Terminal No. (Polarity) Resistance Ξ© [at 25Β°C (77Β°F)] 1 and 2 Except 0 or β 1 and 3 Except 0 2 and 3 - If NG, replace ignition coil with power transistor.
If OK, go to next step.
- Turn ignition switch OFF.
- Reconnect all harness connectors disconnected.
- Remove fuel pump fuse in IPDM E/R to release fuel pressure.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.