Car:
2017 Nissan Maxima Platinum
Scenario:
While driving, car just died and rolled to a stop. Has not cranked since. Air was still running, power doors, windows still work.
Towed it home.
Fuse Block's 250A fuse on + battery terminal was burned out.
Bought new battery, new Fuse Block.
Tried to crank, burned out 250A Fuse Block again on attempted cranking of car with 14 error codes (some repeat but including anyway):
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1. P0340
Camshaft sensor circuit failure
Camshaft position sensor/circuit bank 1
2. P0345
Camshaft position sensor/circuit bank 2
3 P0462
Fuel level sensor/circuit
4 P0890
Power supply circuit
Transmission control module power relay sensor circuit low
5 P0340
Camshaft sensor circuit failure
Camshaft position sensor/circuit bank 1
6 P0335
Crankshaft position sensor/circuit
Engine speed sensor circuit failure
7 P0345
Camshaft position sensor/circuit bank 2
8 P0462
Fuel level sensor/circuit
9 P0890
Power supply circuit
Transmission control module power relay sensor circuit low
10 P0174
Fuel sys lean B2
11 P0171
Fuel sys lean B1
12 P0340
Camshaft sensor circuit failure
Camshaft position sensor/circuit bank 1
13 P0345
Camshaft position sensor/circuit bank 2
14 P0890
Power supply circuit
Transmission control module power relay sensor circuit low
------------------------------------------------------------------------------------------------------------------

Replaced All 4 Camshaft position sensors and 1 Crankshaft position sensor.

Replaced Fuse Block again.

ALL ERROR CODES DISAPPEARED so thought it was good to go.

Tried to crank, burned out 250A fuse on Fuse Block again......

ALL 14 error codes returned......

Ran Voltmeter testing to isolate short.

Results:

Large white wire in Black Fuse Block connector is shorting out.

Traced this to IPDM and Could - REMOVE GROUNDING on voltmeter by removing the "A/T COND" fuse.

Test results 3 times.

Bought manual from emanualonline for $35 - NOTHING ABOUT "A/T COND" fuse anywhere in that manual.

I have no idea what is wrong.

I don't want to keep replacing parts that are good only to discover it is still broken and keeps blowing the 250A fuse.

250A fuse only blows when you try to crank the car.

Any suggested solutions are welcome.

Thank You for getting this far!!!!

 

Looks like starter short circuit