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acramstr, ASE Master Tech
Category: Acura
Satisfied Customers: 5359
Experience:  ASE master tech ,CA smog, ASE L1
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Is there a check list, workflow or recommended steps to

Customer Question

Is there a check list, workflow or recommended steps to identify a constant electrical draw from the battery?
Submitted: 1 year ago.
Category: Acura
Expert:  acramstr replied 1 year ago.

There is no check list so to speak, And using a volt meter in line with the cable will not work on the newer cars due to the memory circuits in the computers. You will need to use an inductive AMP Meter that can read low amperage current and wait 45 min for all the systems in the car to power down. But there are some common things that cause draws in this model. First try disconnecting the HFL unit in the base of the map light housing . These are very common causes of battery drain in this model. Also the A/C compressor relay can stick and drain the battery as well. Here is a video I found showing how to remove it

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