Nissan 23300-31U00 Motor Assy-Starter

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Remove the starter motor mounting bolts and detach the starter from the engine.

Remove the starter and conduct a bench test by connecting it to a 12-volt automotive battery and observing the solenoid and starter motor behavior. If the solenoid plunger extends but the motor doesn't rotate, the solenoid is operational, but the starter motor is faulty. If there is no movement but the solenoid clicks, both the solenoid or starter motor may be defective. However, if the solenoid plunger extends and rotates the pinion drive at approximately 3,000 rpm, the starter/solenoid assembly is functioning correctly.