Question about 1995 Nissan Pickup

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TPS no power supply pin 37 ECU

D21 is a Nissan HardBody 4c TPS sensor 95 is supplied with 5V voltage but does not, the voltage is supplied from pin 37 of the ECU, the pin does not work. for that reason to exceed 2000 RPM the engine does not work well. suddenly accelerates without kicking the accelerator.

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SOURCE: 1990 nissan 300zx loss of

Check if your injectors with the electrical meter with ohmmeter you should have around 12 ohms on each if you have above 15 ohms that's mean your injector is going bad it has problems ,easier way to check its if you will start the car with cold engine and go by the mufflers and if you will hear from one of the mufflers kinda shoots that's mean on this side of engine is the injector going bad ,the other things it might be mass air flow ground (-) wire which has some bad connection ,if not check all the connections on the ignition coils and injectors,check your spark plugs, and on the end if this problem will continue check your knock sensor!

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SOURCE: 1996 Nissan Altima. Car suddenly stopped

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SOURCE: how do i adjust a tps on a 86.5 nissan D21

if your referring to the throttle position sensor...you dont adjust it,its a replacement part.

Posted on May 02, 2010

loud_pipes69
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SOURCE: my 1997 nissan pickup 2.4 starts, idles nice , but

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SOURCE: 1984 Nissan 300zx non turbo VG30E engine wont rev

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1 Answer

When I plug in my vss, why does the computer throw a code 24 for the tps?


wrong parts.!
the 2 sensors share the same power feed from the ECU.
5vdc ECU power reference pin. power.....
so if you plug it in and 5v goes to say 1v, then that sensor is shorted or the wrong sensor.!
the VSS can very by transmission or what transfer case you have.
not stated yet by you..
some VSS are hall sensors<(3 pins) and others are just a coil sensor 2pins,
those can not be swapped.
nor connected backwards. (halls will short)

which engine.?
which trans, m/t or a/t?
is car 4wd, or 2wd, its different,?

i can not be accurate lacking those hard facts.

Sep 19, 2015 | 1992 Jeep Wrangler

1 Answer

Why no reference voltage to tps sensor ?


Check the wiring from the sensor connector, back to the computer. Once you find 5V the break in the line will be between the last two points you checked.

Mar 15, 2015 | 2003 Jeep Grand Cherokee

1 Answer

No voltage to throttle body on a suzuki samuri


this this all stock car, as most sammi are vastly modified, now.
common mod is put in Sidekick G16B engine.
so is it stock 1.3L?
that be first question, and if car is EFI and is stock or G16
the TPS needs 5vdc from the ECU.
if the ECU 5vdc ref pin is dead there are only 2 causes.
1: ECU bad.
2: this line is shorted.

1992 had 3 engines. 1.3 , 1.6 TBI and 1.6 MPI
throttle body or Multipoint injection (4 injectors) vastly different.
ECU TBI , pin a23 is 5vdc, if the map shorts, this can blow out the 5vde regulator,
ECU MPI. pin B6 runs only the TPS. sensors. (simple)

best practice here is to post displacement of engine,
and ECU part number. ECU suffix is all we need. and bingo.
I have all Suz, part. number, in my book. for all parts and all ECU.
(usa and canada)

The ECU shops (cardone is tops in USA) the first test
is the 5v pin, #1 off the dime. that.
the Sidekick ECU 8valve ECU. TBI , the 5vdc pin loves to burn the
pcb trace to kingdom come.
see that here.
examples see suz, page for 5v
http://www.fixkick.com/ECU/ecu-8v-sig-list/e76.jpg

see blown trace
the trace in front of this zener diode blows.
(usually customers hot wiring stuff (evil)
http://www.fixkick.com/ECU/5vdc-Refr-supply/56B30-5VDC.jpg

the acutal blown trace (and zener blown too)
is here see it, (if real sammi, it will be i different loc.)
this is a Sidekick G16A TBI ECU. 56Bxx
http://www.fixkick.com/look/ECU-secrets/images/33920-56B30_B15_damaged_trace-B15.jpg

how is that?
need more , ask /?

id bet cardone didnt check your ecu, (some fleabayer?)

Feb 14, 2014 | Suzuki Cars & Trucks

1 Answer

TPS Problem


maybe water in fuel

Nov 23, 2013 | 1996 Nissan Altima

2 Answers

Code p0122 and p0123 after changing computer


Hi.

The problem is regarding TPS (throttle position sensor located in throttle body). Both codes are TPS voltage out of range (low and high) If you get both codes at once, then :

TPS may be defective,
wiring to TPS may be shorted to ground.
There may be a problem in the +5V circuit powering the TPS.
There may be a problem with ECU connector.

Jan 20, 2011 | 1996 Dodge Caravan

1 Answer

Car wont start after sitting for 6 hours runs like new if you start it before 6 hours codes p1496 always there when it fails to start.


Yes the car will fail to start due to this error code p1496.Its possible. Description of code P1496 is 5 Volt Supply Output Too Low. But to locate the exact fault you will need to do some troubleshooting. The 5 V ref. can be low for a couple reasons. 5V is supplied to several engine sensors, like the crank, cam, Map, etc. It's not uncommon on chryslers for one of the sensors to short the 5 V. reference voltage and get that code. To check if a sensor is bad and shorting the ref. just check for voltage on the 5V ref as you unplug each sensor. If the 5 V. ref. returns, the last sensor you unplugged is the shorted sensor. It's usually the crankshaft sensor, but not always. If the 5 V. ref. still is shorted after unplugging all sensors that receive 5V. ref, check for 5 V. at the PCM. If it's present at the PCM, there's an open or short after the PCM. If there isn't 5V ref at the PCM, it's probably a bad PCM. That is a 5 volt supply too low. You will want to check the connections at the MAP and TPS sensors. --------

Thanks. keep updated for any more query.you can rate this solution and show your appreciation.

Sep 22, 2010 | 1999 Chrysler Concorde

1 Answer

How do i adjust a tps on a 86.5 nissan D21 hardbody 2.4


if your referring to the throttle position sensor...you dont adjust it,its a replacement part.

May 02, 2010 | 1997 Nissan Pickup

2 Answers

Need to know "no bus" indicator light on instrument panel....


"No Bus" means the data cable going to the (PCM) computer is unplugged, or the PCM has failed and not able to read the information it is being given.
Sometimes just jiggling the PCM causes the ODO "NO BUS" to come on.
Sometimes a bad crank or cam sensor can cause this as well.

Here is the OFFICIAL checklist for the "NO BUS" condition....

Vehicle: 1998 - 1999 Dodge Durango 3.9L
2000 - 2001 Dodge Durango 4.7L
1998 - 2000 Dodge Durango 5.2L
1998 - 2001 Dodge Durango 5.9L



Symptom: Engine will not start. Gauges are inoperative. No BUS message displayed on odometer.



System: Body/Chassis Electrical, Emissions/PCM/Fuel, Engine Electrical



Codes: N/A



Problem 1 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Crankshaft Position (CKP) Sensor.



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) sensor. If 5v is not present, unplug the Crankshaft Position (CKP) Sensor. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, replace the CKP sensor.



Problem 2 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Camshaft Position (CMP) Sensor.



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) Sensor. If 5v is not present, unplug the Camshaft Position (CMP) Sensor. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, replace the CMP sensor.



Problem 3 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Manifold Absolute Pressure (MAP) Sensor.



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire (5v power supply) at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) Sensor. If 5v is not present, unplug the MAP sensor. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, replace the MAP sensor.



Problem 4 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Throttle Position Sensor (TPS).



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire (5 volt power supply) at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) Sensor. If 5v is not present, unplug the TPS. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, replace the TPS.



Problem 5 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted wire.



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire at the throttle position sensor (TPS) or manifold absolute pressure (MAP) sensor. If 5v is not present, unplug all sensors that are connected to the 5v power supply and disconnect the PCM. Check if either 5v power supply circuit is shorted to ground using a DVOM. If the circuit is found to be shorted to ground, repair the wire and the cause of the short.



Problem 6 of 6: The 5v power supply from the Powertrain Control Module (PCM) is shorted due to a shorted Governor Pressure Sensor.



Test & Fix: If the 5v power supply circuit is shorted to ground, the CCD bus is unable to transmit messages and the Powertrain Control Module (PCM) appears to be "dead". The PCM is not damaged when the 5v power supply gets shorted to ground, but does need to be reset by turning the key off for 10 second after the short is removed. Using a DVOM or labscope, measure the voltage on the 5v reference wire at the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) Sensor. If 5v is not present, unplug the large round connector on the driver's side of the transmission. Turn the key off for 10 seconds. Turn the key on and measure the voltage on the 5v power supply circuit. If the voltage is now 5v, remove the transmission pan and check for shorted wiring inside the transmission. If the wiring is OK, replace the Governor Pressure Sensor.


Many times the PCM simply overheats - and changing it will stop the problem.


Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

May 13, 2009 | 1999 Dodge Durango

2 Answers

2000 Ram 1500 4x4 "no bus"


All the modules are connected together to communicate with each other via the PCI bus. It is possible that one of the modules is pulling the bus down. If the vehicle won't start it could be any one of the modules. It will be a process of elimination to find the faulty one by disconnecting them one at a time.

Apr 22, 2009 | 1998 Dodge Ram 1500 4WD

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