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Overdrive not turning on

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  • Overdrive not turning on

    hiya peeps,

    my brother has a '94 model KZN 130 hilux surf 3l td and has an overdrive problem ( or lack of it)

    his overdrive will not turn on, the switch is ok but still no joy.

    is there a wiring diagram for the overdrive electrical system or is there anything else he can try??

    your assistance will be appreciated.

  • #2
    This any help?
    http://www.toyotasurf.asn.au/techsit...odiagnosis.pdf

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    • #3
      Hi T0nk

      I had a problem with the overdrive not kicking in at all,, After spending nearly 800 on a complete gearbox overhaul(inc.solenoids and switches) and a new throttle sensor(119) it eventually turned out to be the main ECU which controls both the engine and the gearbox.

      In the end i had to buy another surf because Toyota no longer manufacture that particular ECU. I'm still hopeful that a wrecked surf will come along so i can use it for spares.

      Cheers
      Paul

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