Troubleshoot crank position sensor location

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eplaced engine on '97 SC300 now new engine does not have Crank ...

www.clublexus.com/.../633233-replaced-engine-on-97-sc300-now-new-...

May 4, 2012 - Location: arizona. Posts: 3 ... apparently 95-97s had an additional crank sensor. .... 1995 Lexus SC300 5spd Na-T ( TT Ecu Mod + a few others) 2jzge position sensor??
Nov 2, 2011
SC400 Crank Shaft Position Sensor. WHERE?????
Oct 11, 2011
SC300 No Spark
Oct 2, 2010
What happens if the Camshaft Position Sensor goes bad?
Jun 18, 2009
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Lexus Crank Position Sensor ' LS400 SC300 ES300 GS300 ...

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Products 1 - 10 of 68 - 95 1995 Lexus LS400 Crank Position Sensor Denso NLA 7/13 ... 96 1996 Lexus SC300 Crank Position Sensor Denso Includes Pigtail.

run the fault codes and that will test the sensor for you. Check the immobiliser for correct operation. fault codes may say that it is a cam position sensor in which case check to see if the cam shaft is turning(broken timing belt)

OBD Codes-- have nothing to do with changing parts

Did you test the CPS & it failed?

If not-- why change it,or have you actually found a
problem thru testing !

You Tube Video--for location or google it

is it a no crank or crank no start?
Possible causes for code P0335
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Crankshaft position sensor circuit poor electrical connection
- Signal plate may be damage
- Starter motor may be faulty
- Starting system circuit
- Dead or weak battery

Read more: http://engine-codes.com/p0335.html#ixzz3Cxw6SN6O

I believe your '86 has a distributor? I believe 1987 was the first use of the Direct Ignition System, where no distributor was used and the use then of a crank position sensor, which on the 2.5L was located and attached to the bottom of the coil pack assembly.
But if you do have a distributor (on the backside or firewall side of the engine), then there is no crank position sensor, but inside the distributor is a pickup coil which has the same function as a crank sensor-to give the pcm (computer) crank position information. To test or change the pickup coil, you have to remove the distributor, as the pickup coil wires are difficult to access with the distributor in the engine.

that sounds to be a ground wire. are there any codes? there is a cam position and a crank position sensor. the crank position sensor is down by the harmonic balancer on the passenger side

Codes don't tell you anything is bad

They are used to diagnose & component test
a sensor or other parts of a system

You only replace a part if it fails a test

If your not testing the system & it's components,
how would you know what does work & what doesn't?

Hi, at the front of the crankshaft. if its near time for the timing belt, you want to replace it along with any pullies, tensioner and water pump


The crankshaft position sensor is mounted on the engine near the crankshaft.

Operation

The crankshaft position sensor is a Hall-Effect sensor that senses the crank angle (piston position) of each cylinder and converts it into a pulse signal. The signal from the sensor is relayed to the ECM to indicate engine rpm and the position of the crankshaft.

Removal & Installation

1. Disconnect the negative battery cable.
2. Disconnect the connector from the sensor.
3. Remove the bolt that retains the sensor in place.
4. Remove the sensor from its mounting. To install:
   
   1. Installation is the reverse of the removal procedure.
   2. Clearance between the sensor and the sensor wheel should be 0.020-0.059 inch. 2002-2005
      
      1. Properly connect the scan tool.
      2. Start the engine and allow it to idle.
      3. Be sure the idle position switch is ON.
      4. Specifications are as follows:
         
         Temperature - 4°F, test specification 1500-1700 RPM Temperature 32°F, test specification 1350-1550 RPM Temperature 68°F, test specification 1200-1400 RPMTemperature 104°F, test specification 1000-1200 RPM Temperature 176°F, test specification 650-850 RPM

wall5552: there were two engines used in 1992 Jeep Wranglers.
A 2.5 liter and a 4.0 liter. HOWEVER>>>> The location for the crank angle sensor is the same for both.
It is located on the bell housing up near the front at about the 10:00 PM position.
The Cam position sensor is located in the Distributor on both engines as well.