Test the ignition coil and ignition control module (also known as the igniter or power transistor).If you do get spark coming out of the ignition coil tower, you now know beyond a shadow of a doubt the distributor cap and rotor must be replaced.
The distributor cap and rotor are infamous for causing no-spark no-start conditions. This is the best way to test the distributor cap.Check for spark directly on the ignition coil tower using a spark tester.This test result tells you without a doubt that the no-start condition of your Nissan vehicle is due to a malfunction in the ignition system.ĭistributor Type Ignition System: With no spark in any of the engine cylinders, this what I would suggest: Go to: No Start 2: Checking Fuel.ĬASE 2: Spark was NOT present in all of the cylinders. Your next step is to verify fuel pressure. You don't have to spend any time testing them or any money replacing them. The ignition control module (also known as the igniter) is OK.The crank sensors (there are 3 inside the distributor) are functioning correctly.This result also tells you three very important things: This is the correct and expected test result. Here are the most common causes of a no-spark result:ĬASE 1: Spark was present in all 4 cylinders. Remember, the idea behind checking for spark is to see if all of the 4 engine cylinders are getting spark. Coil-On-Plug (COP) Coil Test 2.5L Nissan Altima, Sentra (2002-2006) (at: ).Power Transistor Test & Ignition Coil Test 2.4L Nissan Altima (1993-1997) (at: ).
#2005 NISSAN ALTIMA 2.5 IGNITION POWER TRANSISTOR HOW TO#
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