Question about Poulan 18" Wild Thing Chainsaw

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Spark advance of a 530-039198

Is there a schematic available of the ignition module?

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  • Poulan Master
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None that I know of as these ignition coil components are encased in expoy and contain no serviceable parts.

Posted on Nov 22, 2014

Testimonial: "The only way I could start my chainsaw was by holding it down with both feet and pulling with both arms. I found the spark was advanced about 25 degrees as soon as it started firing and it stayed at 25 degrees as fast as my drill would turn it. I plan on sawing it apart to see what has failed in it."

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Posted on Jan 02, 2017

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What are the probable causes of DTC U1000?


DTC U1000 and U1255
Class 2 Communication Malfunction , Do you know what class 2 serial data communication network is ? What module set this code an what kind of scan tool did you use to read this code .
Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the ID number of the module which sent the message for State of Health monitoring, Node Alive messages. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. When a module does not associate an ID number with at least one critical parameter within about 5.5 seconds of beginning serial data communication, DTC U1000 or U1255 is set. When more than one critical parameter does not have an ID number associated with it, the DTC will only be reported once.
The table below list the modules on the Class 2 Serial Data Circuit that will set a U1000 or U1255 and should be actively communicating the previously described messages on the Class 2 Serial Data Circuit.

Control Module

ID Number
Body Control Module (BCM)
064
Electronic Brake Control Module (EBCM)
040
Instrument Panel Cluster (IPC)
096
Radio
128
Powertrain Control Module (PCM)
016
Sensing and Diagnostic Module (SDM)
088
Diagnostic Aids
When a malfunction such as a open fuse to a module occurs while modules are communicating, a Loss of Communication DTC is set as current. When the modules stop communicating, ignition is turned off, the current Loss Communication DTC is cleared but the history DTC remains. When the modules begin to communicate again, the ignition is turned on, the module with the open fuse will not be learned by the other modules so U1000 or U1255 is set current by the other modules. If the malfunction occurs when the modules are not communicating, only U1000 or U1255 is set.
Test Description
The numbers below refer to the step numbers on the diagnostic table.

  1. A DTC U1001 - U1254 Lost Communications with with a history status may indicate the cause of U1000 or U1255.

  2. The modules not communicating are the likely cause of U1000 or U1255. The modules that are available on the class 2 serial data circuit are listed in the Circuit Description.

  3. The module which was not communicating due to a poor connection to the class 2 serial data circuit may have set DTC U1001 - U1254 Lost Communications with for those modules that it was monitoring.

  4. The modules which can communicate indicate the module which cannot communicate. You must clear the serial data communication DTCs from these modules to avoid future misdiagnosis.

  5. If all modules are communicating, the module which set U1000 or U1255 may have done so due to some other condition.

  6. The module which set U1000 or U1255 is the likely cause of the malfunction.

1
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Record the DTCs set in each module. If using a Tech 2, use the Class 2 DTC Check feature to determine which modules have DTCs set.
Did you record any DTCs in the range of U1001-U1254 with a history status?
Go to Diagnostic Trouble Code (DTC) List
Go to Step 2

2
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to communicate with each module on the class 2 serial data circuit. If using a Tech 2, obtain this information using the class 2 Message Monitor feature.
  3. Record all of the modules communicating on the class 2 serial data circuit.
  4. Compare the list of modules which are communicating to the list given in Circuit Description.
Does any module on the class 2 serial data circuit not communicate?
YES - Go to Step 3
NO - Go to Step 12
Test the following circuits of the module that is not communicating for an open or short to ground:
?€¢
The battery positive voltage supply circuits


?€¢
The switched battery positive supply circuits


?€¢
The battery positive voltage output circuits


?€¢
The ignition voltage input circuits


?€¢
The ignition voltage output circuits

Refer to the following:
?€¢
Control Module References in Body Control System for the applicable schematic


?€¢
Circuit Testing in Wiring Systems


?€¢
Wiring Repairs in Wiring Systems

Did you find and correct the condition?

5

Important: Inspect all connectors in the serial data communications circuit.
Refer to the following:
?€¢
Data Link Connector Schematics


?€¢
Testing for Intermittent Conditions and Poor Connections in Wiring Systems


?€¢
Connector Repairs in Wiring Systems

  1. Turn OFF the ignition.
  2. Test the class 2 serial data circuits of the module that is not communicating for an open. Refer to the following:
?€¢
Data Link Connector Schematics


?€¢
Circuit Testing in Wiring Systems


?€¢
Wiring Repairs in Wiring Systems

Did you find and correct the condition?
Go to Step 8
Go to Step 6

6
Inspect the harness connector of the module that is not communicating for poor connections and terminal tension at the following circuits:
?€¢
The battery positive voltage input circuits


?€¢
The switched battery positive voltage supply


?€¢
The battery positive voltage output circuits


?€¢
The ignition voltage input circuits


?€¢
The ignition voltage output circuits


?€¢
The ground circuits


?€¢
The class 2 serial data circuits

Refer to the following:
?€¢
Control Module References in Body Control System for the applicable schematic


?€¢
Testing for Intermittent Conditions and Poor Connections in Wiring Systems


?€¢
Connector Repairs in Wiring Systems

Did you find and correct the condition?
Go to Step 8
Go to Step 7

7

Important: Perform the module programming or setup procedure if required.
Replace the module that is not communicating. Refer to Control Module References in Body Control System for the appropriate Repair Instructions for the module replacement.
Did you complete the replacement?
Go to Step 10
--

8

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Select the Display DTCs function for the module which was not communicating.
Does the scan tool display any DTCs which do not begin with a "U"?
Go to Control Module References in Body Control System for applicable Diagnostic System Check
Go to Step 9

9
Use the scan tool in order to clear the DTCs.
Did you complete the action?
Go to Step 10
--

10

Select the Display DTCs function for the modules which had U1000 or U1255 set as a current DTC.
Does the scan tool display DTCs which do not begin with a "U"?
Go to Control Module References in Body Control System for applicable Diagnostic System Check
Go to Step 11

11

Use the scan tool in order to clear the DTCs.
Did you complete the action?
System OK
--

12
Did you record any other DTCs for the modules which had U1000 or U1255 set as a current DTC?
Go to
Control Module References in Body Control System for applicable Diagnostic System Check
Go to Step 13

13

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Use the scan tool in order to clear the DTCs.
  4. Turn OFF the ignition for at least 5 seconds.
  5. Turn ON the ignition with the engine OFF.
  6. Select the Display DTCs function.
Does the scan tool display U1000 or U1255 set as a current DTC?
Go to Step 14
Go to Diagnostic Aids

14
Important: Perform the module programming or setup procedure if required.
Replace the module which had U1000 or U1255 set as a current DTC. Refer to
Control Module References in Body Control System for the appropriate Repair Instructions for the module replacement.
Did you complete the replacement?
System OK

Mar 12, 2016 | 2002 Pontiac Grand Am GT1

1 Answer

Uo 101 lost communication with tcm


So what is your Question ? Most of the time these U codes happen because of a bad connection . The first thing to do is check power and grounds for said module . Is this vehicle able to start an run ?
Modules connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. Each message contains the identification number of the transmitter module.
The body control module (BCM) and the serial data gateway module (SDGM) activate various modules by applying voltage to communication enable and wake up circuits when the ignition key is in ACC, ON or START. Refer to the schematics to determine which modules are activated by each wake up or enable circuit.

Dec 14, 2014 | 2008 Chevrolet Tahoe LTZ

1 Answer

Gmart270@cableone.netI installed a 1984 engine in my 1975 CJ5 , I need to know how to connect the wiring for the ignition module


I just find this diagrams (click images for zoom)...


zjlimited_1818.jpg

Fig. 5: 1975 Jeep CJ wiring schematic

zjlimited_1820.jpg

Fig. 24: 1984 Jeep CJ and Scrambler 4 cylinder engine, wiring schematic


zjlimited_1821.jpg

Fig. 25: 1984 Jeep CJ and Scrambler 6 cylinder engine, wiring schematic


zjlimited_1822.jpg

Fig. 26: 1984 Jeep CJ and Scrambler wiring schematic, continued


zjlimited_1823.jpg

Fig. 27: 1984 Jeep CJ and Scrambler wiring schematic, continued


Hope helps.

Sep 11, 2011 | Car Audio & Video

1 Answer

How to fix a coail pack on a 1987 Pontiac 6000?


Coil packs are replaced not repaired if found to be defective. ---prev.gif next.gif DISTRIBUTORLESS IGNITION SYSTEMS Starting in 1987, some models came with engines equipped with a Computer Controlled Coil Ignition (C3I) or Distributorless Ignition System (DIS). Fig. 1: Triggering system used on the C3I fast start system 86812034.gif
Fig. 2: Electrical schematic on C3I ignition system 86812031.gif Both DIS and C3I system consists of the coil pack, ignition module, crankshaft sensor, interrupter rings and ignition control module (ICM). All components are serviced as complete assemblies, although individual coils are available for Type 2 coil packs. Since the ICM controls the ignition timing, no timing adjustments are necessary or possible. Fig. 3: Wiring schematic used on the C3I ignition system 86812032.gif Fig. 4: Notch effect on the output signal used on the crankshaft sensor 86812033.gif
prev.gif next.gif

Oct 09, 2010 | 1987 Pontiac 6000

1 Answer

I need a schematic to replace the PCM (Powertrain Control Module)in my 1994 Fodr thunderbird 3.8L V6 without/supercharger ..Is this is Big job for a backyard mechanic and how long should it take, my real...


  1. Easy job and should have no problems here some help
    Disconnect the negative battery cable.
  2. Detach the engine control sensor wiring connector from the ignition control module by pressing down on the locking tab where it is stamped PUSH, and remove the connector.
  3. Remove the ignition module and the module bracket from the front fender apron.
  4. Unfasten the two ignition module retaining screws, then remove the ignition module form the module bracket.

To install:


0900c1528006b5b4.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 2: The ignition module on 1994-95 vehicles is mounted on the front fender apron
  1. Install the ignition module onto the module bracket. Tighten the retaining screws to 24-33 inch lbs. (2.7-3.7 Nm).
  2. Position the ignition module and bracket assembly onto the front fender apron. Secure with the retaining bolt and tighten to 35-50 inch lbs. (4-5.6 Nm).
  3. Attach the engine control sensor wiring connector to the ignition module.
  4. Connect the negative battery cable.

Nov 19, 2009 | 1994 Ford Thunderbird

1 Answer

My car does not start. I changed the ignition


Check to see If you have power to ignition module,coil a good wiring schematic is needed to properly check you power supply to computer .factory repair manuals are availible on eBay about 10 bucks .computer is high failure item on these.

Nov 01, 2009 | 1993 Mitsubishi 3000GT

1 Answer

Need schematic for ignition system-has 4 wire dist. pickup and ignition module is mounted on the R/F fender


Resistive cottection between PIP (pin6) wire and connector at the ignition module. Cleaned and soldered wire to connector pin. Runs fine.

May 25, 2009 | 1991 Ford Aerostar Extended

2 Answers

94 toyota tercel with no spark


Does it got a distribiter or does is it have a coil pack.I'm thinking an distribiter with 4 spark plug tirminals,I would look into the Ignition Control Module if it has one.I looked at a parts listing for the car and it shows it has one but looked at a Typical Ignition System Schematic and it doesn't show the igniton control module in there.But i would think it is needed to control the spark.I would look into it and see if there is one,if there is i would test it that would be my guess of what's causing no spark.I got a pic of the ignition control module and theTypical Ignition System Schematic for you.

Hope it helps




6h1281.jpgIgnition Control Module




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Feb 01, 2009 | 1994 Toyota Tercel

1 Answer

Heasdlights stay on when switch and key are off


The headlight module is a well engineered electronic black box . If you have an electronics
background you can repair it.contact me cavedweller@live.ca.If you have difficulty with the
difference between an amp and a volt a replacement is available at your local dealer for
about $150.

Dec 31, 2008 | 1995 Ford Aerostar

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