where is the power supply circuit to the ecm 2007 nissan altima s 2.5L

Question

Hey I had a code po603 possible causes loose battery cables low battery bad ecm open circuit at power supply or out dated programming.
I replaced the ecm , the battery , now i need to check power supply.
can someone help me it's a 2007 nissan altima s 2.5 L

Answer 1

There is a fuse between the ECM and the battery , that you have to checked other than that this is a problem within the ECM