Running a civic with no IMA battery
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DC/DC enable on a first gen civic
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Had a 2004 civic owner that wanted to pull his battery to do some diagnostics,but wanted to use the car with the battery out.
We mounted the relay board with all or the plugs connected, and found that the 12 V battery was not being charged to fix that we found that the DC/DC enable is a single wire, that is pulled high internally in the MCM/BCM. High is dc/dc running, low is disabled.
Simply cut the green wire with the white stripe on the DC/DC converter control connector, and the 12V will be charged as long as the RPM is over 1600 or so. You know when it is working as the Battery trouble light will illuminate when it is not. Very similar to the Insight.
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