Will digital Ohm meter really work?
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Le Mans Master
Joined: Oct 2003
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From: seattle WA
Will digital Ohm meter really work?
Haven't needed to read codes yet-I was talking with a friend about paper clip for reading codes, when he said the digital Ohm meter will actually show the numerical such as 32 on the meter, anyone try this? :rolleyes:
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Re: Will digital Ohm meter really work? (rick lambert)
Ummm... no. That doesn't make any sense at all. Where would you place the leads for the Ohm meter, in the same place as the paper clip would go? If so, that line is simply a diagnostic mode selector on the ECM. It only changes the mode in which the computer is operating.
There is a method of displaying the actual codes on the digital dash and being able to cycle through them with the fuel and trip buttons but it still requires the paper clip trick.
There is a method of displaying the actual codes on the digital dash and being able to cycle through them with the fuel and trip buttons but it still requires the paper clip trick.
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Re: Will digital Ohm meter really work? (JasonL)
I bet your friend saw somebody using a handheld code reader and mistook it for a DVM.
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Re: Will digital Ohm meter really work? (rick lambert)
Though a DMM is a valuable tool...do NOT measure resistance at the ALDL while connected to the ECM.
You need either a scan tool or a paper clip to pull codes.
You need either a scan tool or a paper clip to pull codes.
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Re: Will digital Ohm meter really work? (rick lambert)
Haven't needed to read codes yet-I was talking with a friend about paper clip for reading codes, when he said the digital Ohm meter will actually show the numerical such as 32 on the meter, anyone try this? :rolleyes: