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  • Ecu Tested??

    Hi Guys,
    And thanks for the advice so far. Unfortunately I'm still floating around poo-bay without a rudder! Whoever quoted Surf 2.4TD "the money pit" was spot-on I'm 3.5k down that road with an immaculate vehicle that don't go! Before I elaborate on my problem I'l relay the test result and see what you all think? My engine fault light has a single digit code and the code is two (2).:4.5 seconds after the ignition mode is engaged there are two distinct half-second flashes which takes just over a second, then 4.5 seconds later the two flashes repeat themselves, this carries on infinately without deviation until I release the ignition key. Fine, and thanks to Marky for getting me this far,however, I,ve been told that the fault list posted is for a U.S. Spec motor and not mine,Doh! Code 2 is not for Manifold and/or Airflow meter sensor signal circuit, or Manifold pressure sensor/cicuit? apparently (according to another knowledgeable source) it indicates Turbo boost pressure!
    Now can any one confirm or deny this? my vehicle is a December 1992 LN130W EFI TURBO-DIESEL. I doubt, even if confirmed that there is a problem with the Turbo system as this worked perfectly up to parking in the garage where she sadly sits, perhaps this is a Red herring or the ECU is actually at fault albeit a less likely problem.
    I haven't checked the timing as there's far too much gear to remove in a tiny garage to look, I know its not impossible, however it did drive home 5km off the A-road up a steep gradient, fully loaded, towing my caravan! she still starts first touch everytime and ticks over perfectly! surely if she'd slipped a tooth on the Cam-belt she'd at least run slightly lumpy! I still think its a fueling/timing/ phasing problem. something in the knock-sensor system either electrical (computer /sensor/ ecu) or mechanical (the pump advance and retard system) has failed, and unless someone out there has had the same problem or investigated either of the fault codes I've got to find a garage big enough for me to remove the pump for testing, whereby I'll eliminate or confirm the Timing belt scenario or take it to the Diesel pump specialist to do the same.
    Any thoughts would be much appreciated! Gary.

  • #2
    Ecu Tested

    Hi Gary,
    These are the correct trouble codes for the 2.4TD (2L-TE) with the "old" On Board Diagnostics (the newer OBDII are different). The one which you have are the OBD codes for petrol engines.

    engine codes

    1 - Normal
    2 - Turbo boost pressure sensor
    4 - Coolant temperature sensor
    5 - Correction resistance (Pump)
    6 - Pump speed sensor (Pump)
    7 - Throttle position sensor
    8 - Intake air temperature sensor
    9 - Vehicle speed sensor
    10 - Starter switch
    11 - Switch sign (Vehicle not in P or N or A/C on)
    12 - Timer control valve (Pump)
    13 - Crank position sensor

    The turbo boost pressure sensor is the small black rectangular box that is mounted on the rear side of the Air Filter Box. On one end is a rubber hose. On the other end is a terminal for wires. Try checking if the hose is properly installed and has no leaks. As for the electrical side, I'm sorry but I have no idea about it.

    I wish I could attach a picture but I'm don't know how. This internet "thing" is still very "alien" to me.

    Hope this helps.
    butch
    1992 SSR-X 2.4TD
    2L-TE, A/T
    LSD rear
    31"x10.5" on std rims

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    • #3
      Ecu Tested

      Hi Gary,
      Here's additional info which should have been included in my previous post.

      "Clearing Trouble Codes:
      All trouble codes must be purged from the ECUs memory after repairing the faults. Otherwise, code(s) would remain in the ECUs memory indefinitely and would appear along with a new code in the event of a future problem.

      Remove the EFI fuse (15A) for 30 seconds with the ignition switch OFF to clear any codes. It may take longer than 30 seconds, depending on ambient temperature (the lower the temperature, the longer the fuse must be left out).
      Trouble codes can also be cleared by disconnecting the vehicle battery. However, other memory functions (clock, radio, etc.), will need to be reset.
      After the codes are cleared, road test the vehicle (as applicable for the fault) and recheck if any codes reset. If so, it indicates that the trouble area has not been repaired correctly."

      On this note, if you suspect that your problem is just a glitch in the system then you could try to clear the trouble code by removing the fuse. If after road testing your vehicle, the trouble code reappears then you do have a problem. If not, then perhaps it was just a glitch.

      I once had all the warning lights in my dashboard switch on after running at speed over a partially flooded road. I figured that some of the electrical connections underneath may have been shorted. Stopped using the SURF for three days to allow whatever soaked ellectrical connections to dry. And the problem sorted itself.
      butch
      1992 SSR-X 2.4TD
      2L-TE, A/T
      LSD rear
      31"x10.5" on std rims

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