2001 Nissan Sentra 1.8L—No Start

If you own this vehicle and have checked for spark and fuel and discover the engine is getting neither, it’s time to suspect a problem with the PCM. But before you do that, check the wiring. Shops have reported a corroded wire in the wiring harness under the battery. (under the battery? Thanks Nissan, brilliant placement!) Check the condition of the wires going to the PCM (Nissan calls it the ECM) relay.

To get a complete wiring diagram with wire colors and pin I.D.’s, click on eautorepair and purchase a one week subscription to eautorepair for only $10. Then download all the TSB’s and repair information for your vehicle.

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