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(Chapters 9, 10 and 11) The 5v Reference and Signal Circuit Quick Tests
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Join me and my entire class at Rosedale Technical College as we take a field trip to Latorre's Auto to troubleshoot some problem cars. This is one of four that we did together. One of them didn't make it on camera (broken timing belt on an Eclipse) and two other ones that did that are available on SD Premium.
Read more: Intermittent stalling, no start from a shorted vehicle speed sensor
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In this video I will show you how to quickly test a knock sensor circuit. This procedure applies to any knock sensor that has a bias voltage sent to it and is not unique to Nissan.
View More About This Video: How to test a knock sensor (P0328) - Nissan
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If you follow a manufacture flow chart when troubleshooting computer inputs and outputs, they almost always have you disconnect the computer and sensor to perform resistance measurements on the wiring to isolate the problem.
View More About This Video: How to test throttle position sensor wiring with a resistor (any car)
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GM 3100 engine, knock sensor test.
View More About This Video: How to test a knock sensor - GM (low power condition)
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What I am showing in this video is how to quickly test a throttle position sensor and wiring.