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This is a discussion on P28 wiring diagram in the ECU's, Electronics, and Tuning forum
Does anyone have the wiring diagram for the OBD1 P28 ecu? We need to know which pin is for the spool valve (vtec)....
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12-23-2002, 03:29 AM
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Posts: 53
|  Does anyone have the wiring diagram for the OBD1 P28 ecu? We need to know which pin is for the spool valve (vtec). |
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12-23-2002, 10:33 AM
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Posts: 4,232
| Last edited by B; 05-06-2008 at 12:56 AM. |
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12-24-2002, 06:46 AM
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Posts: 53
| Thanks. We're trying to find the spool solenoid, as have just transplanted a B16 into the car. Should there be a voltage from the A4 pin when the car is revved to 6000rpm? So far our curcuit tester didn't pick up any voltage. Please help!! |
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04-07-2009, 10:32 PM
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Posts: 8
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04-07-2009, 10:32 PM
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Posts: 8
| first plug 2nd on top... |
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