1 / 10

Q1 Engine turns over

Q1 Engine turns over. normally. Not at all or slowly. Q2 The headlights. Q7 cranking problem? NO. Come on and stay on while turning the key. Do not come on or turn off w/ key turn. C1 Battery is dead. Replace or attempt to charge and try again.

honorato-matthews
Download Presentation

Q1 Engine turns over

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Q1 Engine turns over normally Not at all or slowly Q2 The headlights Q7 cranking problem? NO Come on and stay on while turning the key Do not come on or turn off w/ key turn C1 Battery is dead. Replace or attempt to charge and try again Q3 The voltage across the battery terminals is Q8 battery problem? NO < 2V >10V > 2V < 10V Q4 battery terminal connections are C2 Battery is low. Attempt to charge and try again Loose or corroded Tight and clean Q5 Load test the battery. It C3 Poor connection. Clean and tighten and try again passes fails Q6 The battery ground connection to the frame\chassis is: C4 Defective battery. Replace and try again. Loose or corroded Tight and clean C3 Poor connection. Clean and tighten and try again Q8 battery problem? NO

  2. Intelligent Interactive Automotive Service Manual Volume 5.4: No-Start Diagnostics (fuel injection only)

  3. Improvements: Use Touch Screen Monitor External GUI with pictures for specific applications Check the voltage across the battery terminals. It is: Less than 2 volts More than 10 volts Between 2 and 10 volts

  4. Q1 The car turns over Not at all or slowly, no lights come on Normally, no start Not at all or slowly, lights come on Q25 What type of problem is it? (fuel / ignition) Q25 What type of problem is it? (battery related) Q25 What type of problem is it? (cranking) Q25 What type of problem is it? battery related fuel / ignition Cranking continued continued continued

  5. Continued (battery related) Q2 The voltage across the battery terminals is > 2V < 10V >10V C1 Battery is low. Attempt to charge and try again < 2V C2 Battery is dead. Replace or attempt to charge and try again Q3 battery terminal connections are Loose or corroded C3 Poor connection. Clean and tighten and try again Tight and clean Q4 Load test the battery. It passes fails C4 Defective battery. Replace and try again. Q5 The battery ground connection to the frame\chassis is: Loose or corroded Tight and clean C13 Seek professional help. C3 Poor connection. Clean and tighten and try again

  6. Continued (cranking problem) Q6 Inspect, clean, and tighten the connection of the starter solenoid Does the car start? No Yes Q7 bridge the starter solenoid terminal posts to bypass it. Does the car start? C3 poor electrical contact connections Yes No C5 defective starter solenoid Q8 Inspect starter cable connections. Tighten and clean if necessary. Does the car start? Yes No C3 Poor electrical contact connection. Q9 Remove and bench test the starter. Does it work? No Yes C6 Defective starter. Replace and try again C7 your engine may be locked up. Seek professional help

  7. Q10 Check the fuel pressure using the proper procedure for the vehicle. Is it to specifications? Continued (fuel / ignition problem) normally No Yes C8 Fuel delivery problem. Test the fuel pump and check for fuel line obstructions. Q11 Inspect the condition of and connections to the ignition module. Test and replace if needed. Does the car start? Yes No Q12 Inspect the condition of and connections to the ignition coil or coil pack. Test and replace if needed. Does the car start? C9 Faulty ignition module No Yes Q13 Inspect the condition of and connections to the distributor, its cap, and its rotor button if so equipped. Clean, test, or replace if needed. Does the car start? C10 Faulty ignition coil/pack No Yes Q14 Inspect the condition of and connections to spark plug wires and spark plugs. Test and replace if needed. Does the car start? C11 Faulty distributor/distributor components Yes No C12 Spark is not reaching the combustion chamber due to faulty plugs/wires C13 Seek professional help

More Related