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by VStar650CL
Wed Mar 05, 2025 1:48 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: How to use FSM
Replies: 3
Views: 546

Re: How to use FSM

You can confirm the presence of a vacuum leak with a scan, but it won't help you find it if there is one. Warm up the engine and stream the STFT for both banks. If neither is high (or only one bank) then the problem probably isn't a leak, but if both read higher than about +10% then proceed. Raise t...
by VStar650CL
Wed Mar 05, 2025 11:54 am
Forum: R51 Engine, Driveline and Powertrain
Topic: How to use FSM
Replies: 3
Views: 546

Re: How to use FSM

The FSM steps are likely to send you on a lot of unnecessary tail-chasing. First question, do you own a good scanner? If not, you'll probably need one. Streaming parameters like short term fuel trim (STFT), MAF g/s, and cam timing will prevent you barking up a lot of wrong trees. That said, given th...
by VStar650CL
Mon Feb 24, 2025 6:41 pm
Forum: R51 General Chat
Topic: 2011 Pathfinder - it hasn't been a great experience
Replies: 10
Views: 4576

Re: 2011 Pathfinder - it hasn't been a great experience

There are two separate fuses for the radio, one ignition and one battery. The battery fuse is under the hood. On upper grade radios you'll usually get a "no audio" message if it's blown, but on base and mid grade units, the radio will work but won't remember anything. It's fuse #29 in the ...
by VStar650CL
Mon Feb 24, 2025 3:28 pm
Forum: R51 General Chat
Topic: 2011 Pathfinder - it hasn't been a great experience
Replies: 10
Views: 4576

Re: 2011 Pathfinder - it hasn't been a great experience

Hall sensors on Nissans are largely a guessing game. The ECM's are good at detecting flatlined sensors, but terrible at detecting a sensor that's working half-a$$. So when you get mystery stalling or performance issues with no engine light, they're always a prime suspect along with the MAF sensor.
by VStar650CL
Sun Feb 23, 2025 5:17 pm
Forum: R51 General Chat
Topic: 2011 Pathfinder - it hasn't been a great experience
Replies: 10
Views: 4576

Re: 2011 Pathfinder - it hasn't been a great experience

That sounds very much like a crank sensor that's misbehaving with temperature.
by VStar650CL
Sun Feb 23, 2025 1:09 pm
Forum: R51 General Chat
Topic: 2011 Pathfinder - it hasn't been a great experience
Replies: 10
Views: 4576

Re: 2011 Pathfinder - it hasn't been a great experience

Actually, the biggest cause of "duh" stalls on just about everything Nissan is cam or crank sensors (most often the latter). You can eliminate or implicate the fuel pump very easily by spraying Brakleen or Gumout down the barrel past the air filter. If that starts it then the problem is fu...
by VStar650CL
Tue Feb 18, 2025 1:56 pm
Forum: R51 Electrical
Topic: Rear Aux. power outlet
Replies: 2
Views: 1267

Re: Rear Aux. power outlet

According to the FSM the cargo outlet and lower front outlet are battery, not ignition. The upper front and console outlets are ignition. See PWO-4 here:
https://www.nicoclub.com/service-manual ... %2FPWO.pdf
by VStar650CL
Sat Feb 08, 2025 8:08 pm
Forum: R52 Electrical
Topic: 2019 right low beam headlight
Replies: 3
Views: 10525

Re: 2019 right low beam headlight

You're most welcome, glad to help. Happy motoring!
by VStar650CL
Sat Feb 08, 2025 2:41 pm
Forum: R51 Electrical
Topic: Heater fan won't turn off
Replies: 5
Views: 13814

Re: Heater fan won't turn off

Good work!
by VStar650CL
Sat Feb 08, 2025 2:39 pm
Forum: R52 Electrical
Topic: 2019 right low beam headlight
Replies: 3
Views: 10525

Re: 2019 right low beam headlight

The '19's still had regular fuses located in the IPDM (mounted upside down at the back of the underhood Fuse & Relay Box, which is located in front of the driver's side strut tower). H9 means you must have changed the high beam bulb, low beams are pretty much always H11's if you have halogen hea...
by VStar650CL
Sun Feb 02, 2025 4:17 pm
Forum: Nissan Transmission FAIL
Topic: HELP!! Used valve body/tcm install..now no throttle response
Replies: 4
Views: 26156

Re: HELP!! Used valve body/tcm install..now no throttle response

Since the truck will start it means the TCM is alive, on R51's the PNP Relay for the starter is driven by it. If you don't have a lit MIL, it also means the TCM is communicating, because you'd have U1000's all over the place if the TCM was incommunicado. If you had a genuine milkshake and not just p...
by VStar650CL
Fri Jan 31, 2025 10:26 am
Forum: R51 Electrical
Topic: Heater fan won't turn off
Replies: 5
Views: 13814

Re: Heater fan won't turn off

Yep. Easy job on an R51.
:D
by VStar650CL
Fri Jan 31, 2025 6:17 am
Forum: R51 Electrical
Topic: Heater fan won't turn off
Replies: 5
Views: 13814

Re: Heater fan won't turn off

Your VBC (blower resistor) is melted short. Very common with transistor VBC's. Replace both the VBC and the blower motor. Even though the blower seems healthy, chances are the VBC blew because the motor is drawing excessive stall current when it starts up.
by VStar650CL
Fri Jan 03, 2025 7:16 am
Forum: R51 Suspension and Steering
Topic: Need to replace struts on 08 PF... are MacPherson good?
Replies: 3
Views: 1502

Re: Need to replace struts on 08 PF... are MacPherson good?

I'm not a mechanic, but I've taken apart my struts three times, and it's far far easier to simply unbolt the old unit and plop in, a replacement. If I had to do this over again - I would choose the all in one strut kit. Big +1. I am a mechanic (master tech, in fact), and when ready-struts are avail...
by VStar650CL
Sat Dec 28, 2024 9:34 pm
Forum: R51 Electrical
Topic: Crash Zone Sensor - P1035 Code - fixed for $10
Replies: 1
Views: 1264

Re: Crash Zone Sensor - P1035 Code - fixed for $10

Good info. To my knowledge those sensors are the same on practically everything Nissan. The only rub with using one from a different model is the mounting. They each contain an accelerometer, so it's essential to mount the unit in the same board orientation as your original for it to work correctly....

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