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Can't find rpm signal wire... - Swift Suzuki Cars & Trucks

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My 91 s10 4x4 4.3 turns over no start has spark good fuel presure but no fuel coming out of injectors pore case down carb.wants to run. Had bad i.c.m. but replaced with good one .and new computer


If voltage to fuel injectors but no ground, have to check ignition module. The purple wire with white tracer carries rpm signal from distributor to computer, engine cranking, dc pulse on that wire, if nothing, check ignition module. W/o rpm signal, the computer won't ground fuel injectors.

Aug 03, 2017 | Chevrolet S 10 Cars & Trucks

1 Answer

There is no RPM singal when cranking why?


If your looking at the dash, Most gauges don't move till the engine is running. If your looking at a scanner and no RPM's. Most likely it is the crank sensor. Could be the wiring/plug. Worse case is the PCM died.

Dec 11, 2016 | Cars & Trucks

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Have a 94 toyota camry , check engine light comes on when stop at light or car sits at idle. got codes 12 , 22, am very confused !!


Code 12. RPM signal.
Problem area: Loose connection, broken rpm signal wire from distributor to ecm to rpm meter, rpm meter, distributor assembly or ecm defective.
Code 22. Water temperature signal.
Problem area: Loose connection at water temperature sensor connector, broken wire between the sensor and the ecm, defective sensor or ecm.

Aug 25, 2013 | 1994 Toyota Camry

1 Answer

Urgently! need to find the rpm signal wire


We do not have wiring diagrams here at fixya. Suggest you try this site www.alldatadiy.com

Oct 10, 2012 | Cars & Trucks

1 Answer

My 1996 Ciera Oldsmobile through a PO336 code?


Hi there:

DTC P0336 - Crankshaft Position Sensor A Circuit Range/Performance


The crankshaft position sensor (CKP) is usually a two wire sensor: a signal and a ground. The CKP sensor consists of (usually) a permanent magnent sensor that is mounted in front of a reluctor (toothed) wheel mounted to the crankshaft. As the reluctor wheel passes in front of the crank sensor, an A/C signal is produced that varies according to engine speed. The PCM (powertrain control module) uses this A/C signal to interpret engine RPM. Some crank sensors are hall-effect sensors instead of permanent magnent sensors. These are three wire sensors, provided with voltage, ground, and signal. They too have a reluctor wheel with vanes and "windows" that change the voltage signal to the PCM, providing a RPM signal. I will focus on the former, since they are simpler design and more common.



The crankshaft reluctor has a specific number of teeth and the PCM can determine the position of the crankshaft using only this sensor's signature pattern. The PCM uses this sensor to also determine cylinder misfires by measuring the reluctor teeth locations in the CKP sensor signal. In conjunction with the Camshaft position sensor (CMP) the PCM can determine timing of spark and fuel injection. If the PCM senses a loss of CKP sensor signal (RPM signal) even momentarily, P0336 may set.


Symptoms of a P0336 DTC may include:
Intermittent stalling & no start
No start
MIL (Malfunction Indicator Lamp) illumination
Intermittent misfire


Potential causes of a P0336 code include:
Bad crank sensor
Broken reluctor ring (missing teeth, debris lodged in ring)
Reluctor ring dislodged/stripped from it's stationary location
Wiring harness chafing causing short
Wiring open in CKP circuit


Possible Solutions: Crankshaft sensor problems are at times intermittent and the vehicle may start and run for some time until problem occurs. Try to reproduce the complaint. When engine stalls or if the engine will not start and continue to run, then crank engine while observing RPM reading. If there is no RPM reading, check for a signal coming out of the crank sensor. Using a scope is best, but since most DIYers don't have access to one you may be able to use a code reader or the tachometer to check for RPM signal.


Visually check the CKP harness for damage or cracking in the wiring insulation. Repair as necessary. Make sure the wiring isn't mis-routed near high voltage spark plug wires. Check for loose connection or broken lock at the sensor connector. Repair as necessary. Obtain a resistance spec for the Crank sensor. Remove and check it. If it doesn't pass, replace it. If it checks out okay, check the reluctor ring for damage, broken teeth, or debris lodged in the ring. Make sure the reluctor ring isn't dislodged. It should be stationary on the crankshaft. Carefully repair/replace as necessary. Note: some reluctor rings are located in the bell housing of the transmission or behind the front engine cover and cannot be easily accessed.


If the vehicle intermittently stalls and after stalling you have no RPM signal and you have verified the wiring to the CKP sensor is good, then try replacing the sensor. If that doesn't take care of it, and you can't access the reluctor ring, seek help from an automotive professional.


Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jun 27, 2012 | 1996 Oldsmobile Cutlass Ciera

1 Answer

I want to tap RPM signal for a new tracking device I am installing. Where can i find the wire and what is the colour of the wire


Hi,
This signal wire can be taken directly from the back of the dash panel...it is the green/black trace wire. But you should follow the circuit on the back of the panel to ensure it goes to the RPM + SIG. circuit.
Also make sure that the device you are connecting can pick up the signal coming from the panel as some ignition system signals are very weak and the device my not be able to pick it up.
So let me know how you get on.. Thanks
Jason

Jun 10, 2011 | 2010 Hyundai Elantra

1 Answer

Error code po0117. Vw beetle


16501/P0117 - Engine Coolant Temperature Sensor (G62): Signal too Low Possible Symptoms
  • Difficulties with starting a cold engine.
  • Starting the engine when engine is warmish or warm, idle rpm immediately is 1200 - 3000 rpm.
  • RPM at idle is irregular.
  • With all engine temperatures seldom idle rpm will vary between 900 - 1000 rpm.
  • With engine warm (90 °C) the engine temperature suddenly drops (70 °C) and slowly comes back to 90 °C.
  • Bad acceleration during warming up.
    • Diesel: an indication is extreme long time burning time of the glow indication light.
Possible Causes
  • The electrical signal coming from G62 is too low
  • Wiring and/or connections faulty (short circuit?)
  • Engine Coolant Temperature Sensor (G62) faulty
Possible Solutions
  • Check wiring and connections
  • Check / Replace Engine Coolant Temperature Sensor (G62)
Special Notes
  • In MY 1995-2002 (?) in Europe at VW-cars the G2/G62 had the bad reputation of breaking down often. The default G2/G62 is black and all replacements are green.

Mar 21, 2010 | 1999 Volkswagen Beetle

1 Answer

Where does the rpm (rev counter) get its feed from


no it has only one coil,a bosch system ,coil ,dist cap and module for a 1995 car

Nov 28, 2008 | 1995 Jaguar XJ6

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