ecm pinout 2009 SS with automatic - Chevy HHR Network


2.0L Performance Tech 260hp (235hp auto) Turbocharged SS tuner version. 260 lb-ft of torque

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Old 04-13-2018, 04:39 PM   #1  
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ecm pinout 2009 SS with automatic

Does anyone have the pinout for the ECM for a 2009 HHR SS with the automatic transmission.

I am specifically looking for the locations of the 3 wires for the ckp crank position sensor.

https://www.chevyhhr.net/forums/prob...-wiring-51707/

my vin is

3GNCA63X59S500898

I found this thread but it was for a manual

https://www.chevyhhr.net/forums/2-0l...-pinout-57408/


Thanks for any help
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Old 04-13-2018, 07:59 PM   #2  
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I don't think they are different. But it is the 96 pin conn.


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Old 04-14-2018, 07:48 AM   #3  
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Looking at the chart it looks like the purple and and light green wires from the crank position sensor must be pin 45 and 46. They were the only purple and light green wires that did not have a specific description.

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Old 04-14-2018, 11:01 AM   #4  
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Lt grn is 5V ref, purple is low ref, yel is signal.
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Old 04-15-2018, 03:44 PM   #5  
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I did confirm that

pin 45 is the 5 volt reference

pin 46 is the is the low volt reference

pin 35 in the crank position sensor signal
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