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  #1  
Old 06-26-2019, 12:08 AM
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Location: BAKERSFIELD, CA
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95 w124 e320 ac not turning on

Only happens on a cold start.. compressor won’t engage. If I shut the engine off then start it up again the ac works. Had it at the ac shop for recharge a month ago. Been working beautiful till this week. What should I look at first to diagnose? Rpm sensor?
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1995 e320
1994 e320

Last edited by speednjay; 06-26-2019 at 12:29 AM.
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  #2  
Old 06-26-2019, 02:57 PM
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You can get the error code from the 16 pin diagnostic connector in the engine room.

It will be the oldschool blink type code.
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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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Old 06-27-2019, 12:00 AM
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How do I get a pin 16 since the +side decoder uses pin 16?
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1994 e320
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Old 06-27-2019, 10:51 AM
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the diagnostics port is 16 pin itself.

You need to make a the blinker with a moment switch to read the codes from pin 7 and 10 (did similar to diag my old E300D - and found that the clutch gap was large and was also oil soaked which was causing an RPM error).
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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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