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  • 2003 GX Diesel Cruise control

    Hey all,

    I have a 2003 GX DIesel with no cruise control. I read a post on here somewhere that said if you put the switch and clutch pedal switch in place it will work...this was in reference to a V6 petrol model. I had hoped that the same would apply for a diesel, however it doesnt appear to be so. I have got a 2nd hand switch and put it in but it doesnt even switch the cruise light on the dash on....does anyone know if there a fuse or relay that needs to be added to the system to power it up or am I best to get autron on the job and get after market fitted??

    I struggle to beleive that they would have a different computer for the GX V's GXL etc as far a engine control goes and have been told that that is where the cruise is controlled on these vehicles.

    Any help or advice would be greatly appreciated.

    Cheers in advance.
    Nigel
    Better to remain silent and be thought a fool, than to speak and remove all doubt.

  • #2
    Re: 2003 GX Diesel Cruise control

    Nigel, this topic has been covered before if you use the search function it will come up. however the pre d4d diesel does not support the factory cruise.

    Cheers Batto
    [url=http://www.pradopoint.com/showthread.php?26874-Batto-s-120-Build]2007 D4D GX[/url]
    [url=http://www.myswag.org/index.php?topic=25018.msg386484#msg386484]2012 Challenge Outback Deluxe[/url]

    Comment


    • #3
      Re: 2003 GX Diesel Cruise control

      Originally posted by batto
      the pre d4d diesel does not support the factory cruise.

      Cheers Batto
      I have a 1KZ (pre D4D) Grande, it has factory Cruise.

      Matt
      2003 Prado Grande TD Auto Pearl White

      Comment


      • #4
        Re: 2003 GX Diesel Cruise control

        Thanks batto,

        I didnt want to seem like I was reinventing the wheel with a question that has been posed before but as matt has shown there is two sides to this point of view. Maybe it is just the GX computer that doesnt support the factory cruise but as I mentioned I find it had to believe Toyota would have 2 different computers, 1 for GX and then another for "up spec" models, but (as has been proven many times by my lovely wife) I could be wrong....

        Cheers and thanks for the input

        Nigel
        Better to remain silent and be thought a fool, than to speak and remove all doubt.

        Comment


        • #5
          Re: 2003 GX Diesel Cruise control

          Nigel,

          Power for the cruise circuit comes from the IG1 (ignition 1) fuse.

          The clutch switch is a 12v source (from the above fuse) through the switch (Clutch) and then to the ECU. Check you have 12v at the switch.

          As you have the factory wiring diagram I would check the wiring loom at the ecu and make sure it is complete.

          You can confirm ECU's are the same at by cross referencing part numbers on ToyoDIY.com

          the pre d4d diesel does not support the factory cruise.
          All GXLs and up, 1kz powered, Prado's have factory cruise standard. It's also controlled by the engine ECU, not a seperate module.

          Mick
          [CENTER][B][I][SIZE=1][COLOR=blue]1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
          Now with 3BAR MAP sensor & 18PSI Boost![/COLOR][/SIZE][/I][/B][/CENTER]

          Comment


          • #6
            Re: 2003 GX Diesel Cruise control

            Well I have had a bit of a play again tonight and can confirm that the clutch switch has power going through it...the stalk switch has power going to one side and transmits power through to the other side with the button depressed, however still not working??

            I dont have a copy of the wiring diagram so dont know what wire to check power at the computer end.

            So where to now....?? Should be there be a relay in the fuse box under the bonnet??

            Ah the joys of buying a 2nd hand pov pack... he he he

            Cheers
            Nigel
            Better to remain silent and be thought a fool, than to speak and remove all doubt.

            Comment


            • #7
              Re: 2003 GX Diesel Cruise control

              There is no relay for the cruise. The wires from the stalk and the clutch switch are a direct link to the ECU.

              Can you confirm the ECU's are the same?

              PM me if you still need the ECU wiring/pin codes.


              Mick
              [CENTER][B][I][SIZE=1][COLOR=blue]1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
              Now with 3BAR MAP sensor & 18PSI Boost![/COLOR][/SIZE][/I][/B][/CENTER]

              Comment


              • #8
                Re: 2003 GX Diesel Cruise control

                Matt,
                well it would seem i stand corrected, was my understanding 1kz had no cruise, but i see as you have stated this is not the case. it does then seem rather strange that the gx does not work plug and play.
                the d4d cruise switch connects to the clock spring via the steering wheel controls, for curiosity does the 1kz connect the same way?

                Cheers Batto.
                [url=http://www.pradopoint.com/showthread.php?26874-Batto-s-120-Build]2007 D4D GX[/url]
                [url=http://www.myswag.org/index.php?topic=25018.msg386484#msg386484]2012 Challenge Outback Deluxe[/url]

                Comment


                • #9
                  Re: 2003 GX Diesel Cruise control

                  Well I have had a look in the ToyoDIY website and there is only 1 computer for diesel 2003 GX models. The only cruise control specific parts are the stalk switch, clutch pedal switch and the wiring loom that connects the centre of the steering wheel to the stalk switch.

                  So I am pretty much stumped.....only thing I can think of at the minute is that the wiring loom I got from toyota to connect the stalk switch could be wrong. I say this cause it only has 2 wires and the switch has 3 terminals??!!?? Does this sound right or wrong to peeps??

                  Cheers
                  Nigel
                  Better to remain silent and be thought a fool, than to speak and remove all doubt.

                  Comment


                  • #10
                    Re: 2003 GX Diesel Cruise control

                    Originally posted by haycait
                    Well I have had a look in the ToyoDIY website and there is only 1 computer for diesel 2003 GX models. The only cruise control specific parts are the stalk switch, clutch pedal switch and the wiring loom that connects the centre of the steering wheel to the stalk switch.

                    So I am pretty much stumped.....only thing I can think of at the minute is that the wiring loom I got from toyota to connect the stalk switch could be wrong. I say this cause it only has 2 wires and the switch has 3 terminals??!!?? Does this sound right or wrong to peeps??

                    Cheers
                    Nigel
                    Three wires from stalk to ECU shown on wiring diagram.

                    Mick
                    [CENTER][B][I][SIZE=1][COLOR=blue]1KZ-TE Turbo Diesel, 5 speed manual, 3.5 inch lift, 265/70/17 Mickey Thompson MTZ, D-Tronic chip, Boost controller, mandrel exhaust, dump pipe, modified intake, ARB steel bar, Magnum winch, Safari snorkel, rear drawers, half cargo barrier, dual batteries, Uniden UHF, Sat Nav, reverse camera, Magellan XL , Tjm bash plates, ARB alloy roof rack, rear telescopic work light and numerous other modifications!!!
                    Now with 3BAR MAP sensor & 18PSI Boost![/COLOR][/SIZE][/I][/B][/CENTER]

                    Comment


                    • #11
                      Re: 2003 GX Diesel Cruise control

                      Thanks a heap Mick....I got this loom from Toyota and will be getting onto them tomorrow to get it replaced.

                      Cheers
                      Nigel
                      Better to remain silent and be thought a fool, than to speak and remove all doubt.

                      Comment


                      • #12
                        Re: 2003 GX Diesel Cruise control

                        Another update....I have chased my toyota dealer today who says now that there are 2 different wiring looms available and the 1 I need is ex - Japan. So the guy sent an email to the wharehouse over there not expecting a reply but got 1 pretty much straight away saying their parts department is ok but new cars and their dock they ship from is gone.

                        So I will get my part in a couple of weeks but anyone waiting on a new car order will be waiting for sometime.

                        Cheers
                        Nigel
                        Better to remain silent and be thought a fool, than to speak and remove all doubt.

                        Comment


                        • #13
                          Re: 2003 GX Diesel Cruise control

                          Eeeerrrr I got the correct wiring loom today and still no worky :x :x :x ....anyone have any ideas??? :?: :?:

                          Cheers
                          Nigel
                          Better to remain silent and be thought a fool, than to speak and remove all doubt.

                          Comment


                          • #14
                            Re: 2003 GX Diesel Cruise control

                            Nigel
                            how did you go with this. I have the same vehicle but 2004. I'ld be very interested to see if you got it to work.
                            Evan.
                            2004 prado GX 3.0 TD.

                            Comment

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