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Testing the CKP and CMP circuits

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Old Dec 9, 2011 | 09:33 AM
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Testing the CKP and CMP circuits
I would like to check the resistance on the CMP and CKP circuits. What pins in the PCM plug on the FICM would I need to check, and what range of readings on the meter would be considered good/bad?

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Old Dec 9, 2011 | 09:43 AM
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The new way GM recommends testing suspect circuits is a loaded voltage drop test. An ohm reading of less than 1 ohm is good. Cam sensor is 31 and 43 Crank sensor is 30 and 41.
 
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Old Dec 9, 2011 | 10:04 AM
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Thanks. I will check them out when I get home tonight.
 
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Old Dec 9, 2011 | 06:17 PM
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the should really be check on a 2 channel osciliscope. we are more worried about timeing and patterns then anything else
 
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