The Toyota Landcruiser Owners Club

[bushburywolf]

i cannot get my rear suspension back into the normal or high mode   .. i have heard of this happening on this forum, but it was always the back high and the front low so the back is really high ..can this work in reverse as in my problem ..and what is the cure .. spheres, loom ect.. i noticed it had some work done on the rear height control 2 years ago bythe  toyota telford branch..can it be the same problem after only 23 months ..  i have read the manual but cannot make head nor tail of it .. it said somewhere you have to press the control button twice for something and i cannot grasp the idea .. any helpful advice  would be welcome as i am hitching up the cxaravan and tugging it to cornwall for 2 weeks wednesday ..
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1999 Amazon Auto  VX 4.2 TD Active

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[Nor]

Probably your sensor.  The rear one is really easy to take off and check.  Just unscrew the little bolt on the linkage, unplug the connector, and unscrew the bracket, two bolts.  Then you can open it (4 screws) and check for corrosion inside, on the three little brass springs that connects the plug at the back to the carbon traces in the lid/cover. Particularly at the bottom end of them.  Clean it up, contact-spray, and seal it with something better than the original O-ring under the cover.
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2004 HDJ100 AHC Auto 160'km, ex 2000 HDJ100, ex 1997 HZJ80GX Africa edition.

[bushburywolf]

it's been ok for a while now   (thanks nor for that information) .. .. i just put a load of weight in the rear when loading up the car for a holiday, and it came back to normal when i started it up to hitch up the caravan

i did notice that it must have a memory system, and it changes to the  high position when started up most times, i can put it into low then and it comes down as the front comes up, it returns to the normal flashing/steady light .. then it's ok until the next morning or so .. then back again  i just repeat what i did the last time ,but it is rather annoying

i may invest in a fault reader too, as i feel the other battery may have a fault too after i changed one after an alarm problem and it still goes off at awkward times like a voltage dip or sensor too finely adjusted ..just need to know where the adjuster is and how to get at it and which way to turn it .. oh.. come and do it for me .. lol
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1999 Amazon Auto  VX 4.2 TD Active

[Nor]

Still think you have probs w a sensor, or a connector.  The AHC computer doesn't know quite what the hight is until it has run it up & down a bit.
Those are exactly the symptoms I had, and getting worse, until I fixed the sensor.  So now there is no hanky-panky anymore. Just the right hight at all times, with only small adjustments according to load & road.
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2004 HDJ100 AHC Auto 160'km, ex 2000 HDJ100, ex 1997 HZJ80GX Africa edition.

[bushburywolf]

yes thanks again for 2 brilliant posts again  nor
i just want to know if the innards to the sensor will fly out all over the place, and with my luck i will not be able to put it all back together    
i'd like to see a picture or drawing first before i attempt a repair, as it is not in my manual about the AHC at all,
and lastly you mentionrd about sealing with something better than the o ring .. would bath silicone caulking suffice ??  worth a shot i bet ..

thanks again
Keith
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1999 Amazon Auto  VX 4.2 TD Active

[Nor]

Nah. Nothing will fly. There are those 3 little connector springs, but they don't have much "springiness".  They come out only a few mm when you unscrew the lid, and on mine they where stuck in the bottom of their holes.

Silicone sounds good, but if you use oil inside, it ought to be gasket-silicone.
Give it a try.
Some pix...
In the 2nd one you can see that two of the springs and their "holes" are slightly corroded, and you can see where some moisture has seeped through the groove for the o-ring next to the three contacts.

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2004 HDJ100 AHC Auto 160'km, ex 2000 HDJ100, ex 1997 HZJ80GX Africa edition.