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.

2008 Nissan-Datsun Sentra Base, StandardFACTORY 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.

TERMINAL RESISTANCE CHART

Terminal No. (Polarity)	Resistance Ω [at 25°C (77°F)]
1 and 2	Except 0 or ∞
1 and 3	Except 0
2 and 3	Except 0

If NG, replace ignition coil with power transistor.
If OK, go to next step.
Turn ignition switch OFF.
Reconnect all harness connectors disconnected.

Fig 1: Checking Resistance Between Ignition Coil Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove fuel pump fuse (1) in IPDM E/R (2) to release fuel pressure.
NOTE: Do not use CONSULT-III to release fuel pressure, or fuel pressure applies again during the following procedure.

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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