TwinTurbo.NET: Nissan 300ZX forum - Re: Thanks. I have actually looked at that thread before.
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Subject Re: Thanks. I have actually looked at that thread before.
     
Posted by Cjw3 on April 09, 2015 at 10:47 PM
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In Reply To Thanks. I have actually looked at that thread before. posted by xpwarrior on April 09, 2015 at 09:54 PM
     
Message Check out the Upper Left of this Print..
 photo ECCS_colored_m_zps104dad6e.gif

You will see the VTC Sol Coils are hooked to 12 volt (B/R), and Grounded through the ECU by the Green / Black wire going to Pin 113 at the ECU..

The ECU will 'Ground' the Green/Black to get the Coils to activate..

If you take an LED type of Indicator lite from the Green/Black wire to System Ground, you will have 'Inverse Logic' indicator..

When the Lite is On, the VTC is off ( Not Activated or the Cams in Full Advance Mode ).. when the Lite is Off, the VTC Coils are being energized ( Cams in Full Retard Mode )..

This will tell you if they are Cycling or not..

If you would like 'Normal Logic' to the Indicator Lite, then rather than hooking the lite from Green/Black and Ground.. Hook the Lite to Green/Black and +12..

Your Choice..

Cj

     
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