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P0622 Code and Battery light on!!

 
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  #21 (permalink)  
Old 11 Jan 2017, 12:16 pm
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Default Re: P0622 Code and Battery light on!!

Sorry I'm slow today. Am going out to do that now.
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  #22 (permalink)  
Old 11 Jan 2017, 12:17 pm
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Default Re: P0622 Code and Battery light on!!

If I get no power with those grounded and it running, does that mean the alternator?
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Old 11 Jan 2017, 12:42 pm
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Default Re: P0622 Code and Battery light on!!

Ok. With the two grounded with it it off it reads 11.67 volts. When I fire it up it still reads 11.67 volts and drops slowly.
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Old 11 Jan 2017, 01:05 pm
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Default Re: P0622 Code and Battery light on!!

Forgive my stupidity, but what wires is this guy talking about?

Brad :
Here is what to do: Make sure the Dark Green/Orange wire has 12v when engine is running, that comes from the ASD Relay when engine is running.. Then check the Dark Green wire for ground.. This wire comes from PCM and is used to Ground the Alternator in order to charge.... If it doesnt have ground on that wire, Ohm it to PCM to make sure the wire is good.. If wire is good.. Your PCM is bad
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Old 11 Jan 2017, 09:21 pm
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Default Re: P0622 Code and Battery light on!!

It helps when you have a wire diagram of what you are working on.
2002chargingsystem_zps96a8e093.jpg
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Last edited by ptcruisersteve; 11 Jan 2017 at 09:24 pm.
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