Thread: P0410 Code
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Old 09-04-2013, 10:58 AM   #11
BV22
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Join Date: Feb 2011
Location: Texas
Posts: 2,056

2002 SC1
Default Re: P0410 Code

Believe the ground wire is the black one of the two going to the connector. From the diagram fdryer so kindly provided, it grounds at the right front light ground point. Follow the black wire from the air pump to its end.

Another remote possibilty is that the air pump relay has failed. You should check for 12V at the gray wire at the air pump connector for 30 seconds or so on cold start. If you get voltage, the relay is working and unless you bought a defective pump, the ground connection becomes very suspect.

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