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Q: Why can an ecu not be tested with a test light?
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Why don't have communication with the scan tool?

I have toyota camry 2003se. There is no communication obd2. Scan doesn't connect. Tested all wires, from obd2 connector to ecu, replaced ecu to test, ecu ok.


Is it normal to see battery and oil light turn on before starting engine?

Yes. That's part of the ECU self-test.


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Yes. D & C test on animals


What is tested in a drug test screening?

In a routine drug screen test, you are tested for herpes.


What is the voltage volts for the throttle position sensor and where does the voltage come from on a 94 potiac grand am?

the voltage "persay" comes from the ecu(computer) i would not use a test light to see if voltage is present thay can be intrusive and short the ecu u will need a dvom meter and service manual to test that circut


Why is the light with a car and a spanner on?

It is a fault code on the ECU. It is not a service light.


How is a circuit-powered test light used?

First make sure the test light is rated for the voltage you are working on. Don't use an automotive 12v test light in your home wiring. A simple test light has a test lead and a ground clip. You attach the ground clip to a known ground point (a bolt on the chassis of a car, or the - battery terminal). You then simple touch the test lead to the area being tested. If the light illuminates, then there is power there, if not, then there is not power there.


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Males are tested for HPV just like females. The test is a blood test.


Do they drug test you after the civil service test?

Yes, you will most likely be drug tested after a civil service test. You will be drug tested randomly after passing the test.


Which body system is tested with an EKG test?

Your heart, that is part of the cardiovascular system is tested with EKG or ECG test.


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Tested was created in 1996.


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the test variable is the independent variable.