TwinTurbo.NET: Nissan 300ZX forum - Resistance Check..
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Subject Resistance Check..
     
Posted by Cjw3 on June 23, 2014 at 10:31 PM
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In Reply To I moved the 12V feed from constant to ECCS relay posted by -Grimm- on June 20, 2014 at 09:34 AM
     
Message If you measure from pin 101 to pin 110 of the Disconected ECU, you will get the resistance of Injector 1 and 2, and any Resistance of the Pluggs involved.
If you measure from 103 to 112, you will get 3 and 4.. Likewise from 105 to 114, you will get 5 and 6..

If you measure these resistances at the ECU plug, while having someone wiggle the connectors on the respective injectors on the Engine, you will be able to check the ECU's ability to Ground Down the Injectors.. Your just checking in Pairs.

If the readings you get ( about 25 ohm ) are rock solid during the 'Wiggle test', then I'd say all is good under the hood electrically..

The only 'Unknown' is the 12 volt source for the Injectors.. and you said you have moved that around..

Cj

     
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