R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Intermittent power drain but what should PSP draw?

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Old Dec 29, 2022 | 09:20 AM
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Warwick Dean's Avatar
Warwick Dean
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Intermittent power drain but what should PSP draw?

Hey gang,

My car has a slight power drain issue. My car draws 31~35mA but every around 45 seconds the mA goes upto about 130-150mA for about 1-4 secs. I've not been able to stop this happening even with various fuses pulled, mines a 2004 and the 2006 I referenced doesn't have any intermittent spiking just a stable oscillation within a range of let's say 12mA~34mA. Any input for this problem would be appreciated.

One thing I did notice however was when the PSP fuse was pulled, I did manage to lower my normal draw of 31~35ma, down to 15~30mA. I was wondering if anybody has actually drain tested the PSP? What's an acceptable amount for it to draw with the vehicle turned off and in sleep mode? I was presuming less than 1mA but I can't find any reference.

Any input welcomed, wish you all a happy NYE either way and hope you all stay warm.

Haywood
 
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