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Sensor Problem I need an adult

2400 Views 30 Replies 6 Participants Last post by  smj999smj
Hey guys so I was very excited recently because I have 399,985 miles and can’t wait to see it hit the 4 but it got halted truck won’t crank at all and now I got a camshaft position sensor code so I swapped distributor still nothing I swap timing belt still nothin I check all fuses nothing I check the camshaft sensor plug I got power and ground and reference all work I check small 2 wire plug that both run to ignition module and cam sensor both have power I checked the ecu relay still won’t work I looked through main harness can’t see any bad wires battery is good I’m running out of things to test I’m praying to the Nissan gods it’s not the ecm
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When was the starter changed last?
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The starter solenoid connects to the battery cable, plus a smaller light gauge wire. If you can hotwire a 12v jumper from the battery to that smaller wire, the starter will activate if it's any good.
Jump from the positive battery post. Or from the cable at the solenoid if you can reach it.
... first I just assumed the signal was blocked from the code I’ll try the jumper and if still nothing I’ll take to autozone for the warranty
The purpose of jumping it is to test the starter without removing it.
If the starter jumps, it's good, and the problem is further back in the circuit.
Update stater spun motor did not so I assume the plunger is probably seized?
Going forward, if you cross the two large terminals on the solenoid, you are actually bypassing the solenoid, and it will spin the starter without cranking the engine.
If you apply 12v to the small wire instead, it will spin the starter and also push the starter gear into the flywheel/flexplate to get it cranking.
You gotta be careful when jumping the starter. If the key is on, the engine will start. If it's a manual transmission, it will start in gear. Also, an automatic transmission will start in gear.
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Give it some throttle while cranking.

If still no luck, remove an easily accessible spark plug wire, then crank it with 1/2 throttle. Then pull that plug to check if it's wet with gasoline which it should be. If it's dry, no fuel is getting up there.
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