Dash lights pinout diagram? - Toyota FJ Cruiser Forum
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post #1 of 11 (permalink) Old 09-17-2019, 09:40 AM Thread Starter
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Dash lights pinout diagram?

New member, my wife and I bought a 2009 FJC yesterday. Hail damage, but we can live with it if we replace hood, cowl, and cowl extensions.

Anyway, one of the weird things on this is that the idiot lights on the dash are not illuminating correctly. For instance, put it in 4L, and the Check engine and Low Oil Pressure lights illuminates. Open the door and the Windshield Washer Fluid Low light (I think thatís what it was) illuminates. I donít know the whole history of the vehicle, but the guy we bought it from is the second owner, and very open and honest, mechanic, totally trusted him. He said itís done it since he had it, canít explain other than it started life in Canada, and maybe something strange happened in manufacturing.

Iím thinking that somehow the wires in the dash connector plugs were inserted into the wrong spot on the connector itself. Only thing that makes sense to me.

Sooooo, Iíve searched and canít find it anywhere on the forum. Can anyone direct me to a pinout diagram for the connectors behind the dash, please?

I am very familiar with searching forums and Googling stuff, so please donít tell me to ďSearch is your friend.Ē I got it.
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post #2 of 11 (permalink) Old 09-17-2019, 10:48 AM
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Re: Dash lights pinout diagram?

If nobody has gotten into your wiring previously I would find it hard to believe something is plugged in wrong. Connections close to each other are typically so different the chance of accidentally doing so is taken out of the picture. One thing you can do that may possibly be haunting you is a bad ground. The motor, frame and chassis all need solid clean grounds. I donít mean looking good but clean them to be sure. It is a simple cheap place to start with possible favorable results.


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post #3 of 11 (permalink) Old 09-18-2019, 01:03 AM
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Re: Dash lights pinout diagram?

Does it have the original dash cluster visible or does it have an aftermarket overlay that is incorrect? Perhaps post a photo of the instrument cluster face. I'm wondering if the correct lights are coming on, but that they are mislabeled.

2013 Canadian FJ Cruiser 6MT with offroad package, rock rails, hitch receiver, cargo cover, cargo net, rear door storage nets, spare tire cover, hood deflector, OEM block heater, and TRD shift knob. OEM Audio Plus stereo upgrade.
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post #4 of 11 (permalink) Old 09-18-2019, 06:33 AM Thread Starter
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Re: Dash lights pinout diagram?

Thanks for the responses. I’ll try to get a picture of the dash. I don’t think anyone has been into the dash.

This is new to us, like 2 days old, so I’m not sure where the grounds are located. Any diagrams or threads you can direct me to? And now I’m not doing a proper search, haha. But I am short on time, and off to work.

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post #5 of 11 (permalink) Old 09-18-2019, 06:42 AM
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Re: Dash lights pinout diagram?

Open the hood, look at the battery. Look at the negative side, black terminal, -. Follow each wire and with in a short distance all the points should hit. That is it in a nutshell. Schematic for that would appear to make matters worse.


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post #6 of 11 (permalink) Old 09-18-2019, 07:06 AM
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Re: Dash lights pinout diagram?

Hood https://www.amazon.com/s?k=fj+cruise...f=nb_sb_noss_2

Cowl https://parts.toyotaofcoolsprings.co...IFJlc3VsdHM%3D

Cowl side panel clip set x 2 https://www.purefjcruiser.com/index....oducts_id=6413

Cowl side panels https://www.purefjcruiser.com/index....ord=cowl+panel

Post #5 clip from plastic hood trim at front, to metal hood itself.

https://www.fjcruiserforums.com/foru...fasteners.html

2011 NSSE

トヨタ

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post #7 of 11 (permalink) Old 09-18-2019, 05:31 PM
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Re: Dash lights pinout diagram?

Is the speedometer and odometer in kilometers or miles. If a Canadian FJ it should be in kilometers otherwise the instrument cluster has been changed.


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post #8 of 11 (permalink) Old 09-18-2019, 05:43 PM
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Re: Dash lights pinout diagram?

Quote:
Sparky of SoCal previously said: View Post
Open the hood, look at the battery. Look at the negative side, black terminal, -. Follow each wire and with in a short distance all the points should hit. That is it in a nutshell. Schematic for that would appear to make matters worse.
Actually there are 18 distinct wiring-harness chassis grounding points at various locations throughout the vehicle.

A complete set of electrical diagrams for the '07 model (generally useful for all models) can be downloaded from www.purefjcruiser.com: scroll down the LH margin until you hit More Information, then Technical Documents, then FJ Electrical Diagrams. The ground point locations are shown on pages 50-53.

But, probably not a grounding problem. Waiting to hear your response to gearwrench's question regarding speedometer calibrated in KPH or MPH.

Last edited by FJtest; 09-18-2019 at 08:41 PM.
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post #9 of 11 (permalink) Old 09-19-2019, 06:58 AM Thread Starter
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Re: Dash lights pinout diagram?

Sorry, guys. Long work day and didn’t see the responses until this morning, and now my wife has the FJ at work. The speedometer is in MPH, not KPH. Didn’t get any pics.
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post #10 of 11 (permalink) Old 09-19-2019, 09:32 AM
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Re: Dash lights pinout diagram?

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earl842003 previously said: View Post
Sorry, guys. Long work day and didn’t see the responses until this morning, and now my wife has the FJ at work. The speedometer is in MPH, not KPH. Didn’t get any pics.
That may be a useful clue.

If the story about originally being sold in Canada (did you run a Carfax or similar background check before purchasing the vehicle?) is true, the speedometer would have been calibrated in KPH. If it now has a MPH speedometer, the entire instrument cluster has been replaced, likely sourced from a junkyard wreck, and of course the odometer reading is suspect.

Exactly how the electrical connections to the MPH cluster were made is the question: were the connectors on the wiring harness of the Canadian-origin-vehicle incompatible with the mating connectors on the US-origin MPH instrument cluster? Did someone try to "improvise" the connections but got it wildly wrong?

You'll have to pull the instrument cluster and look at the rear where the connectors are located.

Aside from the bizarre instrument cluster anomalies, I would be anxious to try to determine what the actual mileage on the vehicle is, as the current odometer reading might be wildly incorrect.

And having a non-functional low oil pressure warning light would potentially be suicidal.

Last edited by FJtest; 09-19-2019 at 11:31 AM.
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