Why is the trigger circuit on my relay not working?
If so the trigger circuit of the relay electrical system is working, if not continue to next step. ( Note: If the relay clicks and the circuit is still not working there is a good chance the contacts inside the relay have shorted.)
What should I do if my relay has failed?
Turn the ignition to the “ON” position and jump terminals 87 and 30 the relay is now jumped and the accessory should activate, if so the relay has failed. If no power is observed at either 87 or 30, the fusible link or maxi fuse has shorted.
How do you test a car relay with no power?
If there is no power, the electrical system must be tested starting with the fuse then the relay. If power is present use the test light connected to battery power to check the ground circuit. if these tests check out, the accessory is bad and needs to be replaced.
How is the electrical system of a relay tested?
If there is no power, the electrical system must be tested starting with the fuse then the relay. If power is present use the test light connected to battery power to check the ground circuit. if these tests check out, the accessory is bad and needs to be replaced. Some relay’s can differ from this configuration but follow the same principle.
Are there any problems with scanner crank relearn?
No problems no cel. Drive car for 4 weeks after cam sensor replacement. Still no problems. Decided FOR REALLY NO REASON to test the crank relearn. Now has crank variation p0315 hard code. Yup seems like a completely illogical conclusion to draw that the crank relearn function doesn’t fully work.
What are the symptoms of a bad crankshaft position sensor?
Cost of Replacing a Bad or Failing Crankshaft Position Sensor. Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. Our certified technicians can come to you and diagnose the problem.
What should I test for a relay problem?
These accessories can range from the main computer PCM (powertrian control module), radiator fan, fuel pump, door locks etc. There are two tests that should be considered when dealing with a relay problem, is the problem with the relay itself or is the problem a power or ground issue.
If so the trigger circuit of the relay electrical system is working, if not continue to next step. ( Note: If the relay clicks and the circuit is still not working there is a good chance the contacts inside the relay have shorted.)