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Warning Lights: 4lo + engine + slip light - HELP!

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  • Warning Lights: 4lo + engine + slip light - HELP!

    Hi All,

    Today on the freeway on the way home from a 500 Km round trip the engine warning light came on, followed by the 4LO light flashing and then the slip light came on.

    This all happened within 15 seconds of each other.

    I have turned the car on and off a number of times but the lights remain the same.

    Can anyone shed some light on what this issue is?

    Thanks,

    Brenton
    2012 Prado D4D GXL. Graphite.

  • #2
    I've had this happen randomly and also after crossing through water. Toyota blamed the starter motor the last time and replaced it under warranty.

    OT but are you a diver by any chance Brenton?

    Comment


    • #3
      I unhooked the battery and left it for 20 minutes then hooked it back up again.

      This cleared the lights.

      I am going to hook the Techstream to it later to see what codes it threw.

      Fido666, yes I am. I am more into flying now but I was into diving for a fair while.
      2012 Prado D4D GXL. Graphite.

      Comment


      • #4
        Originally posted by ReefDweller View Post
        I unhooked the battery and left it for 20 minutes then hooked it back up again.

        This cleared the lights.
        Good you got it cleared, sounds like an electrical gremlin.

        I am going to hook the Techstream to it later to see what codes it threw.
        I'll be interested to know what comes up.

        Fido666, yes I am. I am more into flying now but I was into diving for a fair while.
        I was till health issues (mainly medications) forced me to stop. Still have all the gear but really need to pull my finger out and sell it now, can't keep paying for servicing on gear I don't even use. I've had an intro flying lesson, if I had the funds I'd love to get my PPL.

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        • #5
          Originally posted by fido666 View Post
          Good you got it cleared, sounds like an electrical gremlin.



          I'll be interested to know what comes up.



          I was till health issues (mainly medications) forced me to stop. Still have all the gear but really need to pull my finger out and sell it now, can't keep paying for servicing on gear I don't even use. I've had an intro flying lesson, if I had the funds I'd love to get my PPL.
          I am doing my PPL at the moment and hope to finish it by the end of this year. I should be solo in 2 lessons
          2012 Prado D4D GXL. Graphite.

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          • #6
            Very jealous :-)

            How'd you go with the Techstream?

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            • #7
              I had these lights come on when my starter motor packed it in.

              Comment


              • #8
                I had those same lights post water crossing. Scanner showed crank angle sensor but after a drying out session there were no issues. it seems that instead of only throwing an engine light it will throw a few lights to get your attention. Best to plug the scanner in and see

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                • #9
                  What is a "crank angle sensor" may I ask?

                  Comment


                  • #10
                    Crank angle sensor measures the crankshaft position continuously and this is fed to the timing control so the spark happens at the precise times. In old school engines we did this via the distributor rotor button.
                    Bushbasher
                    Out of control poster!
                    Last edited by Bushbasher; 25-01-2016, 03:19 PM.
                    Dave
                    Views expressed are mine alone and are not intended to compromise the integrity of my employer nor offend those who may read such views.
                    Bugger Bali, get out and see Australia before we sell it all to China.

                    Comment


                    • #11
                      Originally posted by fido666 View Post
                      What is a "crank angle sensor" may I ask?
                      I know it as the only thing that ever seems to break on any car I've ever owned

                      Comment


                      • #12
                        I also have this issue now. Removed battery for 20mins, and it toolk the flashing ligts away. As soon as I start the car it idles low and rough, then the 3x lights come on again. Any ideas?

                        Comment


                        • #13
                          Originally posted by quasi View Post
                          I also have this issue now. Removed battery for 20mins, and it toolk the flashing ligts away. As soon as I start the car it idles low and rough, then the 3x lights come on again. Any ideas?
                          Put a code reader on it and you'll know whats causing the issue. No guesses needed then.

                          Comment


                          • #14
                            Just had the exact same issue after water crossing. 4LO and multi select light flashing, stability management warning light on, engine warning light on. Car would not go into 4LO. For a short time the speedometer would not operate. I drove home with no issues and plugged the scan tool in. Error in ECU - P0500, Vehicle Speed Sensor. I cleared the error and all four warning lights went off immediately and all was good. As this happened while doing a water crossing the most likely cause was water in the connection somewhere in the speed sensor loom. It was a deep water crossing with large rocks so was beyond where I should have taken the Prado and well beyond its water depth limits.
                            Richard.Hennekam
                            Lurker
                            Last edited by Richard.Hennekam; 13-03-2021, 03:50 PM.

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