mike3605

blue pin 2 is 'trans range "b" in' ? im a manual transmission if that means anything (this goes to the 'automatic transmission fluid pressure manual valve position switch' ... unless i'm mistaken what blue pin 2 is?

wph351

iTrader: (3)

Ok. I'm just looking at old notes. The only other ign I see is the other one mentioned above

mike3605

pin 19 is purple in the haynes manual and and goes to a bank 2 sensor 1 O2 sensor

wph351

iTrader: (3)

blue connector 19 is a pink ign 12v wire.

mike3605

ok, that goes directly to the pcm ign fuse 15a ... which then goes to the mass air flow sensor ... give me a few mins

wph351

iTrader: (3)

blue connector 19 is a pink ign 12v wire.

mike3605

meters good ... is a vats bypass an option?

wph351

iTrader: (3)

[QUOTE=mike3605;19677536]ok, that goes directly to the pcm ign fuse 15a ... which then goes to the mass air flow sensor ... give me a

wph351

iTrader: (3)

sure. If I'm not mistaken vats will usually allow the vehicle to prime. But I could be mistaken.

mike3605

metered key ... 9.52 kohm resistance ... picked up 9.53 resistor ... did vats bypass ... still an issue ....


hit a wall and i'm am absolutely puzzled

wph351

iTrader: (3)

Did you check this at the pcm?

mike3605

no, i checked it at the relay and it was receiving power from the PCM

wph351

iTrader: (3)

I assume you are talking of the ign relay? If so, it doesn't receive power from the pcm, it sends it to the pcm.

wph351

iTrader: (3)

I was reading back over the first few posts. When I said "ground side of the relay" what I actually meant was "is the relay grounded?" By using that jumper wire you aren't actually testing to see if the ground to the relay is good.

mike3605

I'm not sure how i'm not testing the ground if i use that jumper wire ... where would the ground be located if it's not there?

wph351

iTrader: (3)

The 4 pins were your relay plugs into.

One is 12v from the fuel pump fuse.
One goes to the fuel pump.
One is the 5v signal from the pcm.
One is ground.

When the relay is installed, it won't function without a good ground.

Jumping the fused 12v to the fuel pump does nothing to test the relay's ground feed.

mike3605

thanks for the clarification ... tested the ground; it is good. i'm not getting any power from the PCM what so ever with the key in the ignition on position

wph351

iTrader: (3)

Ok. You need to test for 12v AT the pcm pin 19 blue connector. There isn't much else in this.

bbond105

I may be mistaken but is that circuit only powered up for 2 seconds when the ignition is first turned on and then once the pcm receives a cranking reference it powers it up for as long as the pcm sees the cranking reference?

wph351

iTrader: (3)

Sounds right to me.