A/C Idle up - power in, nothing out

[1uzfevolvo]

Got the configuration issue out of the way. Double checked the wiring, everything ok. Settings looked ok so fired up the motor and flicked the a/c switch.

I have 12 volts going to the Nitrous In wire, Check

The ecu changes the revs and shows the a/c has been activated, Check

There's 0v coming out the Nitrous Out 1 wire,

Am I missing something? I know the Nitrous Out has a maximum 3A,is it possible it was overloaded and if so can it be reset?

I cannot see anything unusual in the operation apart from no +ve output of any voltage on the Nitrous Out wire.

[CSXRT4]

Nitrous out is a grounding output.

[1uzfevolvo]

Oh. Ok. Didn't see that in any of the wiring detail.

That should overcome the issue. Thanks

[jsmcortina]

Oh. Ok. Didn't see that in any of the wiring detail.

Try here: http://www.msextra.com/doc/pdf/html/MS3 ... .3-48.html
James

[1uzfevolvo]

Ok, so got the wiring completed.

Nitrous In - 12v
Nitrous Out - Gnd

With the MS controlling the a/c, I cannot turn the a/c off at the switch. Have double checked the wiring. With the ignition on, there's 10.2v showing on the Nitrous In wire, and this is with the switch wire disconnected.

Why is the Nitrous In wire showing a voltage?

[jsmcortina]

Sounds like you might have JP7 installed on the MS3X card. Remove it.

James

[1uzfevolvo]

I assume you mean the JP7 jumper. This is in a plastic bag on the work bench.

If this is an issue, I could re-wire to a ground input.