1979 FJ40 fuel cut solenoid gas pedal assembly

[salatorre06]

I am trying to determine if I have the correct gas pedal in my ‘79 fj40. From the wiring diagram I am supposed to have a fuel cut solenoid that connects to the emissions control module. I ordered a used version that includes the mounting bracket but when I put it in position it seem like I am missing something. It’s almost like I have the wrong gas pedal because there is no linkage that connects to the solenoid. Am I mixing things up here or what is it that I am missing? I have found other pedal assemblies online that show a different linkage that will connect to this so I am assuming I have the wrong pedal assemblies.

 

[Grayscale]

The fuel-cut solenoid is on the top of the carburetor. The throttle-position switch is on the accelerator pedal. Was the pedal cut? My '75 pedal has an extended piece, that goes up to the switch, which you are holding in the photo.

 

[salatorre06]

The fuel-cut solenoid is on the top of the carburetor. The throttle-position switch is on the accelerator pedal. Was the pedal cut? My '75 pedal has an extended piece, that goes up to the switch, which you are holding in the photo.

I think I was looking at my wiring diagram wrong and identifying it incorrectly if you are saying that the throttle position switch is the two wires coming out of the carburetor. If this is the case then the 79 does not use a throttle position switch. What would the throttle position switch connect to in the diagram because I am not seeing one. Thanks for the help!!

 

[fjc-man]

The item circled in the upper left is the catalytic converter temperature probe. How about a couple pictures of the throttle positioner.

 

[Grayscale]

I'm not an expert here, but...

The Throttle Positioner is the diaphragm that opens the choke, on top of the carb.

The Throttle Position Switch, as in the image above, seems unique to earlier models, like my '75.

The Haynes manual has the Throttle Position Switch illustrated as the accelerator pedal, in the emissions control chapter. It connects to the computer, and operates the power valve in the carburetor, via a solenoid in the Vacuum Switching Valve.

 

[charliemeyer007]

Haynes is better than nothing, usually. But see if you can find the real manual here for free.

Land Cruiser Factory Service Manuals (FSMs)

Factory service manuals (FSMs) for your Toyota Land Cruiser ! From the 1950s to the present!

www.cruisercult.com

 

[charliemeyer007]

If you ask nice perhaps timmyisinthewell will post up the relevant fiche

 

[salatorre06]

I’ve found this photo of a 78 fj40

I'm not an expert here, but...

The Throttle Positioner is the diaphragm that opens the choke, on top of the carb.

The Throttle Position Switch, as in the image above, seems unique to earlier models, like my '75.

The Haynes manual has the Throttle Position Switch illustrated as the accelerator pedal, in the emissions control chapter. It connects to the computer, and operates the power valve in the carburetor, via a solenoid in the Vacuum Switching Valve.

 

[salatorre06]

I’ve found this photo of a 78 fj40

I’ve found this photo of a 78 fj40

 

[salatorre06]

I

Haynes is better than nothing, usually. But see if you can find the real manual here for free.

Land Cruiser Factory Service Manuals (FSMs)

Factory service manuals (FSMs) for your Toyota Land Cruiser ! From the 1950s to the present!

www.cruisercult.com

looks like the 81 emissions manual shows the solenoid on the carb as the fuel cut valve…

 

[salatorre06]

I

looks like the 81 emissions manual shows the solenoid on the carb as the fuel cut valve…

 

[fjc-man]

Salatorre, what is your production date? Back then the emission systems had differences every model year.

 

[salatorre06]

Salatorre, what is your production date? Back then the emission systems had differences every model year.

Feb 79 is the production date.

 

[fjc-man]

My 5/79 California emissions 40 doesn’t have a throttle positioner. I’ll bet yours wasn’t equipped with one originally either.

 

[Engineer8000]

The 78 emissions book shows a throttle position switch as input to the power valve for Cali. I don't see it in the 79 book.

 

[salatorre06]

The 78 emissions book shows a throttle position switch as input to the power valve for Cali. I don't see it in the 79 book.

View attachment 3721572View attachment 3721573

Great! thank you for sending the manual images, you have been a big help!

 

[fj40fillet]

My '79 doesn't have the pedal switch either.