Auto diagnostic tool

The best way to Troubleshoot Car or truck & Vehicle Problems 1Search for any recalls or Technical Service Bulletins that have been issued for your car's make and model by the manufacturer. The problem may lie in a faulty part.2Read reports created about your vehicle's make and model to determine what troubles were experienced by other vehicle owners in their long-time use of the car or truck. Find these articles on manufacturer's websites or third-party reviewers.

3Follow the step-by-step diagnosing procedures found online by technicians and automobile repair companies. Narrow down your car's potential problems with these interactive questionnaires that ask a series of questions about its performance.4Narrow the problem down to a subsystem within your vehicle based on its odd performance. For example, if the auto squeaks when you step on the brakes Auto diagnostic tool, you may have a problem in the brake subsystem.

5Watch for any of your car's warning lights to appear. Your vehicle is most likely equipped with built-in light symbols along the dashboard that will appear when the automobile is experiencing a problem Car Diagnostic Tools. Match the light that turns on with the specific problem associated with that light, such as low fuel or uneven tire pressure. Check your fuel gauges and engine temperature as well.6Listen for sounds that your vehicle makes that are abnormal. A cranking sound during the ignition phase of start-up may indicate that your battery is low.

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Tips on how to Troubleshoot a Generator Alternator 1Place the vehicle in park or neutral using the emergency brake set. Open the hood. Attach a battery charger to your battery--red to red and black to black. Charge the battery fully. Inspect the inside and outsides from the battery cable connectors. Clean them with a battery cleaner tool, removing all oxidation, rust and dirt.2Turn the ignition important to the "On" position (not begin) and note the dash lights which have illuminated. Start off the vehicle and see if any with the lights have remained on. If a light that stays on reads "Bat" or "Alt," you've got a low charging condition or a no charging condition in the alternator wiring circuit. If applicable, rent or obtain a difficulty code scanner and difficulty code book for your car, then comply with the directions for hook-up and analysis. This may pinpoint the charging dilemma.3Turn the ignition key off and step as much as the engine compartment. Find your alternator; use your owner's manual if unsure of its place. The majority of alternators sit directly below the energy steering pump, as well as a single belt or even a serpentine belt is about its pulley.

Use a bright shop light to inspect the belt condition. Appear for excess slack inside the belt--if you can move the alternator pulley by hand, the belt has loosened up. Look and really feel for cracks inside the belt or fluid that may have dropped on it. An oily belt will slip and not charge correctly. Look for a leak coming from the power steering pump directly above. A bad power steering pump seal will leak into the windings of the alternator and short it out.4Use an automotive stethoscope or long-handled screwdriver to listen towards the alternator though the engine runs at idle. Listen to get a "howling" or " Auto diagnostics;grating" noise after you location the stethoscope or screwdriver against the alternator case. A light humming sound is regular. A louder grating noise indicates poor alternator shaft bearings or races. See in the event the pulley wobbles. A wobbling pulley in conjunction using a grating noise confirms bad shaft bearings or races inside the alternator.5Hook up a voltmeter towards the car's battery.

Place the positive (red) voltmeter clip on the positive (red) battery terminal post, along with the black clip on the battery negative (black) terminal post. Look in the reading displayed in charging volts. The charging volts must range amongst 14 and 15 volts. A drop below 13.8 volts indicates an issue using the alternator armature and windings.6Hook up an ammeter towards the battery, together with the engine off. Get rid of the wire from the terminal marked "B" on the alternator and connect it towards the unfavorable post on the ammeter. Connect the positive lead on the ammeter towards the "B" terminal on the alternator. Have an assistant get started the engine and let it idle. The common amp reading need to be 10 amps or less (seek the advice of your manual for the precise quantity). Have your assistant raise the engine speed to two,000 rpm and turn on all the accessories--high beams, air conditioning and heater to their highest settings. Study the ammeter. The amp draw should really be 30 amps or far more. Any quantity less indicates a negative alternator.7Trace the massive "B" car diagnosis tool; wire coming from the alternator and locate any fuseable links along its path. Open the fuse links and examine for any blown fuses or melted fuse wire. Replace if vital. Inspect the primary fuse box panel, situated within the engine compartment, glove box or side kick panel. Discover any battery or charging fuses on the fuse diagram and replace any defective fuses.

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auto diagnostics software

Ways to Troubleshoot a 2000 Chevy Astro 1Locate the onboard diagnostic port beneath your steering wheel, positioned at the prime of the foot properly on the driver's side.

2Attach the code scanning tool towards the diagnostic port by firmly plugging the code scanner port in to the diagnostic port.3Turn in your Astro's ignition and permit the engine to idle. If your engine is not going to commence auto diagnostics software, it is still OK to turn your ignition to the position prior to the beginning position.

4Take note of any error codes that seem on the display from the code scanning tool while your car's electronic system is operating. These error codes will represent unique points of failure inside your Astro and enable you to narrow down what exactly is behind any symptoms you might be experiencing automotive diagnostic tool.

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Ways to Test an Engine Computer in a 1996 Volkswagen Cabrio 1Locate definitions for all OBD-II diagnostics codes just before you even appear at your Cabrio. You will find generic, all-vehicle OBD-II coding definitions within your scanner's manua, too as Volkswagen's distinctive OBD-II codes. They're going to not appear in the Cabrio's manual, but you may uncover them within a Haynes Repair Manual for the 1996 Cabrio.

You can also come across Volkswagen's codes online (see the link in the Resources section).2Sift via each the generic and Volkswagen's OBD-II codes. Search via only codes that get started with all the letter "P." auto diagnostic software; For the moment, you can safely ignore anything that begins using a distinctive letter. Read by means of each in the definitions, and highlight or underline all codes that deal with PCM concerns.3Walk for your Cabrio, and location the components compiled in steps 1 and 2 on major from the dashboard.4Pull the ashtray out from the center handle panel. Behind it and an access cover, you'll find Cabrio's Information Hyperlink Connector. The DLC presents your entryway in to the vehicle's PCM.

Connect your OBD-II scanner to this port.5Place your key into the Cabrio's ignition, and switch it for the "On" diagnostics car tool; position. Your precise brand of scanner could also demand you to start the motor.6Key inside a "Read," "Scan" or "Retrieve" command if OBD-II codes do not right away seem in your scanner's screen. Considering that OBD-II scanners operationally differ by brand, consult your device's handbook for the precise methods on the way to do that.7Scroll by way of the codes on the scanner. As in Step 2, ignore any codes that don't begin with "P." Consult the materials you left onto from the Cabrio's dash, and appear for codes that deal straight with all the Cabrio's PCM. Should you don't locate any of these codes, your PCM is fine and not in need to have of any maintenance. When you do uncover PCM-related codes, you could must either reprogram the module or have it replaced.

Auto diagnostics

The best way to Cease a Vehicle Engine 1Pull the hood release take care of inside the car or truck Auto diagnostics.2Open the hood of the car to expose the engine.

3Pull all of the spark plug wires off the spark plugs. Most cars have either a four- or six-cylinder engine block, so you are going to pull off 4 to six spark plug wires (the only wires connecting to spark plugs on each side with the engine) automotive diagnostic tool.

4Use a wrench to unscrew the red battery cable from the good battery terminal. Then unscrew the black battery cable from the unfavorable battery terminal.

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How to Reset the Service Engine Light on a Chevy Lumina OBD: 1990-1994 Chevy Lumina1Open the hood of your Lumina.2Locate the negative battery terminal on the battery. This has a black wire and is identified by a negative " diagnostics car tool;-" stamped on the battery housing.3Disconnect the negative battery terminal employing a box-end wrench and isolate it so it doesn't come back into speak to together with the unfavorable battery post.

4Leave the unfavorable battery terminal disconnected for 10 to 15 minutes.5Reconnect the unfavorable battery terminal and recheck the service-engine-soon light by starting the automobile.OBD II: 1995-2001 Lumina6Locate the diagnostic link connector (DLC) beneath the driver's side dashboard.7Plug the OBD II code reader and reset tool into the DLC. The battery in the Lumina will power the tool, so no on or off button is necessary.8Use the OBD II tool buttons and screen to scroll through the choices. Whilst there are actually different tools with varying buttons Auto diagnostic tool, operating the tool is fairly standardized.

Most employ up and down scroll buttons to choose distinctive possibilities displayed on the screen. Use the buttons to scroll to "Erase Codes."9Press the "Enter" or "Send" crucial on the tool. The display will inform you that it can be sending the information towards the computer. Wait till "Command Sent" or the default screen appears on the screen display of your tool.10Start the Lumina and examine to make certain the service-engine light is out. Unplug the tool from the DLC.

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Ways to Reset the Engine Light in a 97 Dodge Stratus Instructions1Turn the engine off and find the Dodge Stratus scanner port underneath the dashboard towards the left of your steering wheel, close to the driver's side door Obd2 scanner.

Meticulously insert the diagnostic scanner cable in to the port.2Put the essential in the ignition and turn it into the run position positioned between the engine-off and engine-on positions.3Locate the "scan for difficulty codes" button on the diagnostic scanner. Press it and wait for the tool to scan the automobile.

This may take up to one minute to complete.4Locate and press the "Clear Difficulty Codes" on the diagnostic scanner. The trouble codes will reset and turn off the examine engine light.5Pull the cable from the scanner port and get rid of the crucial. Restart the automobile to ensure the examine engine light has been turned off diagnostics car tool.