Question about 1993 Volvo 850

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I need specs for an 850 volvo coil ie primary and secondary resistance

Original coil is kapoot it does not work have put on a replacement but not sure of originals resistances

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Yagon

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Specifications per VADIS 1993 Volvo 850 2.4 Non Turbo:
Ignition Coil, power stage:
Resistance between terminals 1 and 15 (primary winding):0.5-1.5 Ohm
Resistance between terminals15 and HT terminal (secondary winding): 8-9 kOhm

Posted on Jun 26, 2014

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Anonymous

  • 128 Answers

SOURCE: 1993 volvo 850 heater blower works sometime tell me why?

These models had problems with the blower motor power stage, which is what controls the fan speed, and the blower motors wear out. There a good chance it needs both!

Posted on Dec 29, 2008

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Colin Stickland

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SOURCE: seat belt 95 volvo 850

remove the door pillar trim and un bolt it.slide seat forewards and remove the door surround rubbers then take off the door pillar trim

Posted on Jan 01, 2009

Anonymous

  • 18 Answers

SOURCE: Read a PO410 code,1996 850 GLT volvo, secondary

The most common cause is either a bad air pump (under your battery tray) and/or a bad SAS check valve which is connected in to your exhaust next to the firewall in the engine compartment.  It could also be a bad relay for the motor.  Less common, but possible, other bad components are the vacuum solenoid that controls the SAS valve, which is located by the radiator or a broken/leaking vacuum line to or from the solenoid.

You can test the motor by jumping the relay or applying 12v straight to it.  If the motor runs it most likely is not the problem.  If not, it's likely that there is water in it and you should replace both the motor and SAS valve.  The SAS valve is a pain to get unbolted, at least on turbo cars.  You can check the solenoid by just making sure there is vacuum going to the SAS valve a few seconds after starting up the car cold, and checking the lines for any obvious wear in the rubber elbows or breaks in the plastic line.

Posted on Apr 10, 2009

Anonymous

  • 20 Answers

SOURCE: VOLVO 850 RADIO/CD REPLACEMENT

Yes, its simply to remove the radio wich is there (two clamps, one on each side) retract the connectors.
You might need to buy a compartment to conceal the part of the opening that will be exposed when removing the bigfront-radio.
(Volvo-dealers can help you) And a cableset wich contains the connectors to the Radio-connectors in the 850 and directly to the radio you buy. (Most radio-dealers hava all kinds)

New radio mounts in only e few hours. All included.
Theese Volvos are very well prepeared for this.

Posted on Jul 20, 2009

Anonymous

  • 60 Answers

SOURCE: 96 volvo 850 speedometer somtimes works then it drops to 0

Two questions: Is your odometer working? If not then it's probably a broken gear by the stepper motor that Emissionwiz mentioned. Is your ABS and/or TRACS light on intermittently or constantly. If so that is a common sign your ABS control module has gone or is going bad. This usually happens before the speedometer starts acting up. Either one of these will start intermittently and finally end up with the speedometer not functioning at all, and both are pretty common failures with this model.

Posted on Oct 21, 2009

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1 Answer

IGNITION COIL TESTING DODGE 2.7 INTREPID 2004


to check ignition coil, you need a digital volt meter put it on the ohms scale check primary resistance across primary coil positive terminal to secondary high voltage terminal. primary resistance should be 0.6 to 0.9 ohms and secondary resistance should be 6 to 9 kilo ohms. if you see zero ohms more likely ignition coil has open circuit.

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How to check ignition coil?


If you suspect a malfunctioning ignition coil, check the resistance of primary and secondary windings. Do this when the coil is hot, and again when it is cold. Also measure from the case to each connector. The primary windings should have a very low resistance, typically from a few tenths of an ohm to a few ohms. The secondary windings have a higher resistance, typically in the 10,000 to 13,000 ohm range. To get the actual figures for a specific coil, check the manufacturer's specs. But as a rule of thumb, primary windings range from a few tenths of an ohm to a few ohms, and secondary winding may be 10 ohms or more.

Oct 29, 2010 | 1993 Honda Accord

1 Answer

How do you tell if the coil packs are bad


With an OHM meter to check the resistance

Contributing Member
mtl_4runner-2548.gif?dateline=1060047767
Join Date: Jul 2003 Location: Montreal, QC Canada Posts: 8,805 im_aim.gif So you got codes P0300, P0304 and P0305

You need to check primary and secondary resistences, not just primary as you did.
Primary = 0.67 - 1.05 ohms (You may have a bad multi meter if all read the same)
Secondary = 9.3k - 16k ohms Contributing Member
mtl_4runner-2548.gif?dateline=1060047767
Join Date: Jul 2003 Location: Montreal, QC Canada Posts: 8,805 im_aim.gif So you got codes P0300, P0304 and P0305

You need to check primary and secondary resistences, not just primary as you did.
Primary = 0.67 - 1.05 ohms (You may have a bad multi meter if all read the same)
Secondary = 9.3k - 16k ohmsSo you got codes P0300, P0304 and P0305

You need to check primary and secondary resistences, not just primary as you did.
Primary = 0.67 - 1.05 ohms
Secondary = 9.3k - 16k ohms

Jun 29, 2010 | 2000 Chevrolet Blazer

1 Answer

I have a 2004 Ford Taurus ses with a 3.0 liter v6(not the dohc model either). Today the check engine light came on. I took it to autozone to have the code run and they told me that it could be the primary...


Does the vehicle have coil on plug ignition or coilpack ? And it's not primary or secondary coil malfunctioning It's primary or secondary circuit . I'm assuming it has a coil pack because you say plug wires.
P0350 - Ignition Coil (Undetermined) Primary/Secondary Circuit Malfunction Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in the PCM).
  • Open or short in the Ignition START/RUN circuit.
  • Open coil driver circuit.
  • Coil driver circuit shorted to ground.
  • Damaged coil.
  • Damaged PCM.
  • Coil driver circuit shorted to VPWR.
P0351 - Ignition Coil A Primary/Secondary Circuit Malfunction See the description for DTC P0350. See the possible causes for DTC P0350.
Pull the spark plugs out an look at them , check the gap ,if too wide replace them . If the spark plug gap gets too worn ,the spark won't jump the gap. It will find the least resistance path to ground ,and it will do it inside the coil . Going from the secondary circuit back to the primary coil an to ground through the PCM - engine computer . The PCM has transistors inside that open an close the primary side to ground ,this builds up a magnetic field around the secondary inducing high voltage spark . Well this can short out the transistor inside the PCM . Most of the time that's what these type codes mean . The PCM would need to be replaced an programmed . This can also damage the catalytic converter. Your best bet , take your vehicle to a qualified repair shop.

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1997 jeep cheerokee does'nt start


YOu need the resistance specs for the primary & secondary resistance of your coil. Any motor manual will have the info and procedures which to follow

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Continuity


you test ohms primary is 0.5 ohms and at secondary its 8400 ohms. hope this helps.

Oct 26, 2009 | 1993 Volvo 850

1 Answer

93 VOLVO -850 NO SPARK AT COIL I HAVE POWER ON BOTH SIDES OF COIL NO SPARK AT SPARK PLUG WIRES CHANGED CAM SENSOR AND CRANK SENSOR DIDNT HELP


the coil may be faulty check for continiuity from secondary circuit (high volyage or spark end) and the primary circuit 12vlt.sideif you get a reading ,the coil is no good

Oct 03, 2009 | 1993 Volvo 850

1 Answer

P1370 and p1350 trouble codes


P1370 Ignition Control (IC) Module 4x Reference too many pulses

P1350 Ignition Control System

Ok, these codes are signaling a malfunction within the Ignition control module. it is sending way to many signals to the coil. i recommend testing the coil for damage and irregular resistance. i will explain how to do this below. i would replace the module as well. The control moduel is Located Under hood, center, rear engine area, above valve cover, mounted in base of ignition coil pack

Ignition Coil Test Procedures__

Ignition Coil Resistance

* with the key off and the battery lead to the ignition coil disconnected, use an Ohmmeter to measure the primary and secondary winding resistance of the ignition coil. when checking the resistance across the windings, pay particular attention to the meter reading. if the reading is out of specifications, even if it is only slightly out, the coil or coil assembly should be replaced.
* To check the primary windings, calibrate an ohmmeter on the X1 scale and connect the meter leads to the primary coil terminals to test the winding.

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* An infinite ohmmeter reading indicates an open winding. The winding is shorted if the meter reading is below the specified resistance. Most primary windings have a resistance of 0.5 to 2 ohms, but the exact manufacturer's specifications must be compared to the meter readings.
* To check the secondary winding, calibrate the meter on the X1,000 scale and connect it from the coil's secondary terminal to one of the primary terminals.


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# A meter reading below the specified resistance indicates a shorted secondary winding. An infinite meter reading proves that the winding is open.
# In some coils, the secondary winding is connected from the secondary terminal to the coil frame. When the secondary winding is tested in these coils, the ohmmeter must be connected from the secondary coil terminal to the coil frame or to the ground wire terminal extending from the coil frame. Many secondary windings have 8,000 to 20,000 ohms resistance, but the meter readings must be compared to the manufacturer's specifications. The ohmmeter tests do not indicate such defects as defective insulation around the coil windings, which causes high-voltage leaks.

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