Question about 1992 Nissan 300ZX

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CAS Input Shaft in Nissan '92

What is a CAS Input Shaft on a '92 Nissan 300ZX , and where is it located?

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Its a sensor for timing on the cam ends.

Posted on Nov 17, 2008


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2002 Nissan Altima crank shaft censor located bank 2

there is only one crankshaft sensor so you will be looking for a CAM shaft sensor for it to be on bank 2
go google and type in --location of cam shaft sensors on nissan altima engine ---

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What's your question?I can't find crankshaft position sensor in the mitsubishi galant 2.0 v6 24valve

look for this parts wiring in the engine bay.. unusual plug
CAS with wire leads and square plug:
dont have exact location on that motor

try looking for it at the end of the cam shaft rocker covers


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Where is the cam shaft sensor located on a 2001 suzuki grand vitara

which engine,????
but is on the end of one cam shaft
the 2.0 liter and 2.5 is left rear cam.

here is mine, first learn what engine you have, a car body tells me nada


see em?

or is this G16?
on the G16 the CMP is in the base of the distributor.

aka, CMP or CAS, cam angle sensor. but is on end of cam.
on DOHC engines and V6s/

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How do I line up my cas sensor on my ca18det properly? And if it's out by much would that cause my car to splutter when driving?

Crank angle sensor =CAS DTC code 11 .
Cam angle sensor = CAS s work best. for sure.
i think this engine it is both !
there is no distributor it has 4 COPs coil over plug
and 1 ignitor module l , that nissan calls the power transistor pack. or PTU, the CAS on this car is really 2 sensors in one.
1 for cam angle and TDC (its a bit sloppy but back then no OBD2 rule to kill this idea)
they call it the crank sensor but is connect to the cam.

what car, what year, ? what country?

and sputter yes.
why not post exact year and car body mode.
or do like we all do
and log in and read the CAS timing , on your car. or buy the FSM.

here is the lest of cars using this engine.
The 1.8 L CA18DET was the last version of the CA engine to be released. It produces 167 hp (124 kW) and 166 lb·ft (228 Nm). It received a brand new DOHC aluminum head with 16 valves. The turbocharger was also upgraded to a Garrett T25 (.48 A/R) unit for increased flow capacity, and as such, was fitted with an intercooler to help prevent the onset of pre-ignition and/or detonation. Fuel was delivered via Multiport Fuel Injection. Bore is 83 mm (3.3 in), and stroke is 83.6 mm (3.29 in). An electronically controlled fuel injection system was used with 370cc injectors.
It was used in the following vehicles:
we run a 200sx in South America. Custom Turbo. ECU and all.

Our engine CAS sensor, has slots see them?
see it.

This engine has no timing freeze DLC (check-conn)like most engine.
hot normal idle speed, set it to FACTORY spec. 15deg. BTDC
do not guess. the ECU hates that. it assumes it is correct
and if not, will mess up big time. Set it to spec. and LEAVE IT.

if you dont have an FSM or a book showiing how to set timing
ask for one, buy one, or google for it.

if a turbo, and you guess, 4 cracked pistons is your future.
here is the fRee FSM
see page EC22 for spark timing.

down load the zip extract it the PDF is the shop manual.

did you run the ECU diagnostics, yet?, RTM.?
for IS the Check engine lamp glowing running?

toy and nissan have the best FSM , of all.
very BIG on diagnosis, unlike USA cars.
the ECU has switch see that?
and if a crank or cam sensor misfires, it will tell you it did.
I'm sure.
the ECU has 5 modes of diagnosis. a very nice ECU.
page 186

Now the real TOPIC :

Misfire is 50 reasons or just 3, (micro, and macro viewed logically
1: bad engine , low compression on any cylinder or all (timing belt slip is all) 150 PSI is minimum. for me. RTM
2: bad /weak/timed wrong, spark. (cas set wrong) test spark on all cylinders. and set the timing, if found way off the cam belt slipped)
never doing a 60,000 mile tune? duh factor 1?
3: bad fueling. too rich turns spark plugs (new?) black. and misfires.
lean fueling causes, bogging and lost engine power.
flooding can be caused by may things, it is , ask how to find this easy.

misfire causes the engine to shake does it?

ever consider a new cam timing belt, or do you want to risk it snapping or slipping?
all Nissans are interference engine. if the belt slips BAM, kiss off a nice motor.

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1 Answer

1988 isuzu trooper, 2.6L, 4 cyl. I need to know how to test the CAS. I do believe mine is sick. Also, found about 2TBLspoons of engine oil when I took the dist. cap off. I'd like to know why. Thanks

The crank angle sensor has no individual testing procedure. Diagnosis is by verification of repair by replacing with known good component.

Check to see what the Diagnostic Trouble Codes from the ECM are. There are only one or two that directly relate to the CAS.

There is a small seal for the shaft of the CAS, where the drive gear passes through the body to drive the wheel. If this seal has failed, and at this age, it is possible, then the incoming oil has likely fouled the CAS, and is why the CAS won't work.

Unfortunately, there is no seal replacement. The only way to repair the CAS is to replace it.

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No start 1992 300zx

Did you try rotating the CAS input shaft? Remember that the cams spin at half the speed of the crank, so a full spin of the CAS is actually 720 degrees. It could be that the CAS is 360 degrees out of phase and causing the car not to run properly. Unbolt it and remove it carefully. Rotate the input shaft (the part that mates with the cam) 360 degrees and put it back on, and see if that helps.

Also, just making sure, when you double-checked the cam timing marks, you did verify that in addition to the four cam sprockets being aligned properly, the crank timing mark is also aligned correctly, right?

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