Question about 1994 Nissan Altima

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I have a 95 nissan altima it has no fire the crank position sensor is good but the wires going to it has a 5 volt reference but isnt showing anything i pulled the harness and there is no break in the wire whats the problem please

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Check the distrubutor

Posted on Dec 04, 2009

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My 1998 honda prelude has no signal to icm


Test or check the crank position sensor. Look for the 5 volt reference signal (your prelude may have a higher reference voltage- I don't know), check that the ground wire is good, then see if you get a signal from the signal wire. See if you can back probe the signal wire with the engine cranking. If the sensor is at fault, the ecu cannot determine spark timing.

Look at a wiring diagram to see if the camshaft position sensor is also part of spark timing.

Jul 27, 2014 | 1998 Honda Prelude

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95 nissan altima po340


PO345 is the cam shaft positioning sensor and PO325 is the knock sensor. Check your starter and your battery.

Apr 05, 2014 | 1995 Nissan Altima

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Hello. I have a 1989 Nissan Pickup truck. It has 6 cylindars. It died recengtly while I was driving. I put fuel in as I though I had run out of gas. It started again and made it home. the next day it...


Could be the crankshaft sensor, wiring, or the coil/ignition module. Che k to see if there is power on the black/white coil wire when the key is turned to statt. If not, you have a loose wire from the ignition. If power is there, test the crank sensor.
Your crank sensor is in the distributer. Here is a test for it:

Diagnosis and Testing

For further Diagnosis and Testing of the Engine Concentrated Control System (ECCS) refer to Chapter 4 or 5 in this guide. Additional distributor and ignition coil information can be found in Chapter 3 of this guide.
CRANK ANGLE SENSOR When the ignition is ON and the main ECCS relay is activated, 12 volts is sent to the crank angle sensor LED. When a slit uncovers the photo diode and it detects the light, a 5 volt signal is sent to the ECU. The unit is easy to test but it must be removed from the engine. Refer to to test procedure below.
  1. First test the circuit to the sensor. Unplug the sensor connector, turn the ignition ON and check for 12 volts between one of the terminals and ground. The other terminals are return signals to the ECU, do not use them for voltmeter ground.
  2. Turn the ignition OFF , remove the distributor assembly and reconnect the plug to the crank angle sensor. Peel back the insulation sufficiently to connect a voltmeter to the wires. Ground the coil high tension wire.
  3. With the voltmeter connected to a good chassis ground, turn the ignitionON and slowly rotate the distributor. One of the return signal wires should have 5 volts off and on with each degree of rotation. The other should have 5 volts off and on with each 180 degrees (4 cyl.) or 120 degrees (6 cyl.) of rotation.
  4. Visually check the rotor plate for rust or damage.

If the sensor tests good, replace the coil.

Jul 30, 2017 | 1986 Nissan 200SX

2 Answers

Eng starts hard,runs good until the rpm is over 2200 then it stumbles my input voltage on the cam sensor is 5volts ,on most cars i've read should have 8volts where


Both crank and cam sensors have a 8 volt reference I have found the wiring melted together where it cross over transmission shorting out the signal. also test your reference voltage at the computer with circuit unplugged at sensor watch meter and wiggle wiring going back to computer this will help find faulty area.

Nov 07, 2013 | 2005 Chrysler Sebring Conv

1 Answer

2005 Nissan Altima Cranking but not firing


see if you have 5 volts at cranshaft sensor

May 22, 2012 | 2005 Nissan Altima

3 Answers

Crank position sensor for 2003 Nissan Altima


a crank position sensor , sends a signal to pcm about crankshaft position signal, the sensor controls spark timing and firing order. the signal is also used for pcm to detect a missfire!! it also sends this info to ignition module, any mechanic can replace a crankshaft sensor!! call a auto parts store and see if you can get one, the cost should be a lot less.

Sep 01, 2009 | 2005 Nissan Altima

1 Answer

1999 Altima will not start, no power to Crank Position Sensor


The crank sensor is only a reference and shouldn't cause it not to start. I would look elsewere for your problem ie camshaft position sensor which is built into the distributor. This is amore likely cause of your no start condition.

Aug 04, 2009 | 2002 Nissan Altima

1 Answer

2004 Nissan Altima crank positioning sensor


driver side under water outlet (upper water outlet ) good luck

Jun 03, 2009 | 2004 Nissan Altima

2 Answers

CRANK SHAFT POSITION SENSOR 20002 NISSAN ALTIMA


1st, Nissan had a recall on Crank position sensors for 2002-2006 Altima's. Check with you dealer before you go doing any repairs. You may discover you can get your car repaired at no charge.
NHTSA Campaign ID number :O7V527000
Symptom: Erratic behavior. Stalling and no starts and very difficult to diagnose due to the time frame in which the component actually malfunctions. The warranty should not be limited to the original owner.
I would also need more specifics as to which engine you have so I might assist you in where the location of the sensor is. The Altima had a 4 and a 6 cyl engine offered that year.

Dec 18, 2008 | 2005 Nissan Altima

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