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120 series Diesel AC not working - solution found

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  • 120 series Diesel AC not working - solution found

    The A.C. switch in the cabin showed green, air was circulating, but no cooling available.

    After a thorough inspection of the mechanical side of the system it was determined that the problem was electrical.
    The compressor was tested by supplying 12 volts direct from the battery and the magnetic clutch activated okay and system refrigerant charge checked as okay and system worked proving the problem to be electrical, no power to clutch. All fuses were checked and still no result. Searched the owners manual for the location of any relays to no avail, they are not shown in the owners manual. Did a google search and found a post by P & G Motors Seven Hills about similiar symptoms describing a MG CLT plug in relay in the fuse box behind the battery in the engine bay,located same, did the swap with the FOG relay and AC worked, Fog Lights didnt, so faulty relay. The relay locations and title names are shown on the underside of the fuse box lid.

    Went to Toyota to get the repacement part and they had none in stock but the price would be just short of $95 each, must be made of gold. Went to a well known motor parts supplier and picked up a Narva 20 amp Micro Relay part No 68062BL for approx $13, same 4 spade connections and dimensions. Problem solved, both systems now working.

    The link for the original P & G Motors post for those interested is: http://www.pandgmotors.com/index.php...-grj120-prado/

  • #2
    I am pretty sure I got stung for a reco compressor about a year ago when all it took was a relay. There are a few of these particular micro relays in there, buy 2 so you have a spare.
    [color=#4080FF][size=2][b]2003 4.0 V6 GXL Auto[/b]. BFG ATs, ARB Deluxe Bar, Rhino Racks, Garmin Dakota 10, GME TX3440, DBA Street Series Rotors on the front, Milford Cargo Barrier, Prodigy P2. Planning Upgrade to OME Suspension and Safari Snorkel[/size][/color]

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    • #3
      Hey dadndave
      try using the search function as it will reveal that this has been identified before on here as well (and saves on multiple posts for same/similar topics).Glad to see you were able to get it resolved though..
      http://www.pradopoint.com/showthread...con-goes-kaput
      above is the link for the original post started by McBain when his air cond failed..

      Comment


      • #4
        Thanks for the post dadndave. Very informative and to the point and it got me out of trouble. The link to pandgmotors site with the photo of the fuse box and the relay arrowed helped. I had looked for fuses and checked everything with "AC" in the description and found them to be OK. Who would have thought that the component labeled by Toyota "MG CLT" was connected to the Magnetic Clutch. I thought it was short for Magic Clit.

        Comment


        • #5
          Thanks for the post dadndave. Very informative and to the point and it got me out of trouble. The link to pandgmotors site with the photo of the fuse box and the problem relay marked with an arrow helped. I had looked for fuses and checked everything with "AC" in the description and found them to be OK. Who would have thought that the component labeled by Toyota "MG CLT" was connected to the Magnetic Clutch? I thought it was short for Magic Clit.

          Comment

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