i hooked a scanner up to my aldl and the scanner says to check grounds and fuses, the fuses are good, so my question is where are the grounds?

 

A= ground, B= 4.6v, E= 4.9v down to 1.7v flickering, F= 11.9v, M= 4.9v down to 1.7v flickering......this is my ALDL readings

 

The serial data Line seems low I believe it should be 2.5v or higher. The 1227165 ecm requires a 10k resister across a to b to start data flow I'm not sure what scanner you have if it does that as a automatic function. If you just the aldl a to b with the key on and are unable to put the ecm in field service mode sounds like you have a bad ecm.

 

its CKT 461!!! it says a 15 way IP connector in the circuit, is that behind the dash?

 

its says 2-5v for the series data line, i have it its just flickering, the ecm has 25 miles on it

 

im about to go replace the ecm, damn parts store giving me a bad part GRRRRR

 

Sounds like it wasn't remanufactured correctly no big surprise there

 

now it wont start at all

 

it runs great!!! but now it wont start without spraying starter fluid in the throttle body. i think its cause of vacuum but they are all hooked up and not putting code 32 out.

 

Code 32 is for the egr solonoid or temp switch. Sounds like it maybe a issue with the csi or csi timer switch.

 

its not popping a code anymore, my mechanic said all the data on the scanner was within specs, but i just found out my MAF is cracked inside, goin to replace it today and see how it starts