Indicates that the center differential has been locked (full-time 4WD models). I have done the correct process, to engage, but no go. If i turn off the ignition and switch on … Pulled rubber pipe off diff end an compressor seemed to be producing low pressure air, which I believe is correct when in 4wd low and diff lock switched on. Any ideas where the problem lies? The hose with the small white valve from the solenoids should have vacuum when engine running. The centre diff light of my Pajero was flashing this morning. So i can only assume that the diff lock is actually engaging but the switch that activates the light on the dash is faulty. Both versions indicate that the two rear wheels have been locked to rotate together. It only operates at about 4psi. I also know that the 4wd engaged when I do select it cause I can hear it as well as feel the car working in 4wd mode so I dont bother trying to fix the flashing lights. The version to the right uses an X in place of the closed circle and is an Electronic Rear Differential Lock indicator. The purpose of the 4 wheel drive light is to indicate when you have engaged 4WD mode by selecting 4H. The 4WD indicator lamp array in my 97 NL Pajero intermittently shows the top two green lights flashing with the 4WD lever in the rear-most position. On the super select panel it is represented as the central orange colour lamp, it is labelled "C/D Lock" On the super select panel it is represented as the central orange colour lamp, it is labelled "C/D Lock" The manual I have indicates that there is a switch connector, from the centre diff, with a my diff lock light is flashing now when I turn it on too! It snowed last night, so this morning, I used L4 to get down to the main road, and H4 to get to work. Fielies - those vacuum lines relate to the front differential's freewheel clutch system - any fault there will be shown by flashing of two green "front wheel" lights - a flashing amber center lock light (which is what you first post suggests you have) points to a transfer case related fault. Can also be caused by a simple vacum leak like a loose hose off the intake manifold or a small hole. No, still flashing and pressurexstill held.Diff out? Anybody listened to their locking diffs to see if this is normal operation? Thanks? I pulled the vacume pipe of the diff and could actually hear it suck air. 5 Posts . Lee. So it looks as if compressor is ok and maybe the switch? This is not the 100% solution, If it still does not work for you, you seriously need to get your Diff Lock Motor checked. Faulty vacuum solenoid (no click when power applied). The crazy thing it would actually turn off after driving for an extended period with the trailer but would come back on later after we stopped and started again. After moving forward backward moving the steering wheel from side to side the center diff indicator light was still flashing. Still the same, pump runs briefly then stops and activates for a quick brrt every 5 secs, (is this normal, can somebody with working diff lock check if theirs does the same?) Drive for a few seconds or atleast 10 - 20 meters. Wait a few seconds for the system to complete operation. Pulled over, as I decelerated, both lights flickered. Had another look yesterday. Thanks for the latest post. Seems like the mechanism is not working and therefore not activating the switch. Jan 14, 2020 1 0 1. Right - this would sound like that pulsing is due to a max. Any other way to check the mechanism? before heading home, I took it out of 4WD, but the center differential lock light is blinking and won't stop. The compressor puts out over 5psi, so the diff lock SHOULD work when the system is activated and the compressor comes on. NS 3.2 Diesel, Polor White , Black CSA Rims, HanKook Dynapro AT Tyres, 3 inch custom stainless steel exhaust with free flow Cat & Muffler, 50mm Lift, Old Man Emu Shocks and Springs, TJM Bullbar powder coated White, Custom 7mm Sump Guard & Transmission Guard, 8 inch LED Spotties plus 20 inch LED Light Bar, rear Reverse LED Light, ARB Roof Cage , Tiger11 Awning. I have a 2004 4runner Sport, V8, 4x4. Drove car back an forth a couple of feet with foot pump still connected to see if lock would engage and light would come on. Press the RR DIFF LOCK switch to lock the rear differential. Diff light flashing after about 30km or so Folks, Old thread but would really appreciate some help. Most common problem is the failure of one or both solenoids, followed by loss of vacuum. I had a look at the rear diff thinking maybe it was the actuator and noticed that the locker indicator switch was broken off. Connected a tube to the metal pipe on the diff and blew down it, could feel resistance and I think I could hear a click but not sure as it is quite noisy here. If you block the end of the compressor tube with a thumb, it should cut out and stay cut out till you move the thumb. - The AWD LOCK mode is to increase the drive power when driving on wet pavement, snow covered roads and/or off-road. Thanks, Curioser and curioser! This is all done with ignition on.but engine not running so you can hear what is going on. Sometimes mine will do this and I have to drive very slowly (2 mph) and turn the wheel one side to the other. I did not go off road and the Diff Lock switch is in the disengaged position. Presumably I should see a change when I blow down the pipe to activate the switch mechanism. (This is for left wheel drive. If I start the vehicle for the first time that day the diff lock indicator light is flashing, once I've driven for a few kms, switch off and restart the light is off. I'd jack the back wheels up to see if the mechanism is working - if it's ok, then turning one wheel by hand should result in the other one turning in the same direction (dodgy switch/electrics). Need to stress, do this v-e-r-y slowly and NOT on pavement, concrete... only dirt, mud blah, blah. The lights in my 98nl have flashed from when I got it. What do you all reckon? Symptoms: - On startup the 4WD green lights come on and the diff light blinks. I have tried driving it, but can't decide if it feels different or not when "engaged". Thanks. hi, Iâm new to forum and i have just purchased a L200 animal, 2005 and my green 4wd light glazed, any ideas, thanks. Owner pointed out how poorly designed the system is really with rubber hoses adjacent to the exhaust manifold etc and certainly not designed for Australian conditions. My wife took the truck today and when she came back the VSC Off light and the Center Diff. I'll lift the back end over the hols and have look. I spent most of Easter weekend on the West Coast doing some sand trails. All the flashing lights go out and wont trouble you at all. It was in 2H at the time. When i disconnect the compressor from the diff and block the rubber tube by bending it back on itself and holding it tight, it pulses more than when it is connected to the diff! Hi all, update on flashing diff lock light. Thanks again for the help. Just put the external pipe back on, definately no leaks or weeping. It continues to blink both in 4WD and 2WD. Tried the same by just blowing down the tube attached to the pipe and it worked again. This also saves wear on smaller, less rugged pumps. Connected pump to a pressure guage and it was giving 4.5 psi, so lloks like that's ok. Then connected the diff to my foot pump and carefully pumped it to approx 5 psi. These are Rear Differential Lock indicators. I am new to 4runners with this one being my first. If you did and it doesn't do that, it must be sensing a small pressure drop when connected to the rest of the system. *If equipped. Full site access is now FREE - Owners Club cards are required for discounts with our sponsors. I will try jacking the back end up as suggested. I was @ a complete stop with the tranny in N and in D. I pushed the center diff button and after waiting 30 seconds it was still flashing and the VSC off light didn't come on. The version on the left features a large closed circle between the two rear (bottom) wheels. have you tested it, engadged difflock then driven up an axle twister and see if its locking? Auto box has occasional problem with the Centre Diff Lock light (amber) flashing once every second. I don't know if that is enough to cause the system not to work, but i will remove it and clean it all.up.and try to get a perfect seal and see what happens. I.e brt brt brt brt. Centre Differential - Orange flashing light The transfer box (t-case) houses the centre differential, permitting drive to both front and rear wheels. Nissan Titan blinking flashing Diff Lock light fix - YouTube I don't think there is an air leak, as when i disconnect the compressor and connect a rubber tube to the pipe on the diff and blow down it, i can feel fairly "solid" resistance which doesn't seem to dissipate as it would if there was a leak. If not look for leaks. It held pressure but light still fleshing. the two solenoids are under the air filter box. Cheers, Gaz. The other lights were all dead (the little 2 green rear wheels) After switching off the ignition, the centred diff light stopped flashing and the little green wheels were back. i had this same problem with the orange light flash and supprisingly enough i had the vehicle in for a breakdown fix which was nothing to deo with the flashing lights and when i picked the vehicle up after repairs , there were no more flashing lights. IIRC blinking means the switch has been activated and the electronic part is trying to activate. When I was blowing down the tube and hopefully activating the locking mechanism the diff lock light was still flashing. The front locks fine, however no go on the rear, just a steady flash. 03 4work, Cummins 6BTA 5.9L engine, 40" round things, and all the accompanying hassle involved. Went into 4l ok, solid green light, but light on diff lock switch kept flashing even after driving forwards and backwards for several yardss, no not on tarmac and yes in a straight line. Anybody the ACT/Queanbeyan area or further that has a handle on these faults? ... From that point on the Diff lock light on the dash and the rear locker light on the switch would flash constantly. Measured my blowing pressure with a gauge and it was 3psi. I assume the switch only acts as an indicator to show that the diff lock has been engaged , is it just a simple make or break switch that illuminates the light in the dash switch? • If the center differential lock indicator light blinks and the buzzer sounds when the center differential is locked, stop the slipping or spinning and push the switch again. - 4WD will not, otherwise, engage. XSWAT 1998 NL GL, 3.5L MANUAL, 2" OME 50 mm Lift, MAXXIS 751 33X12.5R15 on CSA N26 RIMS with -11 OFFSET, UNIDEN UHF, NARVA 175 SPOTTIES, AIRCON & RADIO/CD,......CONVERTED to SEVEN SEATER, Manual Hubs (ex tritton). When connected to the pipe on the diff the compressor runs for a very short time then cuts out, which i imagine is what should happen, and then every 5secs it operates for a quick burst , "brrrt" for a second or less. hi , maybe get intouch with one of the club members in your area and see if some one can help you out. If this is fine, check if your Diff.Lock button. On the way home I got a random "diff lock" light on and and the VDC. Thanks Gaz, Hi, thanks for the reply. I have a 2014 foreman 500 that I have snorkeled. 2006 Warrior classic 60K miles, EGR removed, de-cat, reversing camera, Proppa canopy, broken pip on compressor it goes solid when engauged, Can you enlighten me on the pip, What is this, Just had look underneath, all looks ok from the outside no broken pipes or wires etc. Rear Axle Replace on Rubicon for Flashing Locker Light. The solenoids can be tested by removing the connectors an putting 12v power on the terminals, if they click with the application of power they should be working.If no click then most likely kaput. Thanks, Silver (wanted a black one!) When you checked the compressor cut-off by blocking the outlet pipe end, did you keep it blocked for some time - long enough for it to do that brief action every five seconds? If you are from UK than just opposite) When you turn off all this and put it back to normal, don't expect that the light will go off immediately. Quote from: rodeast24 on 29 June, 2018, 14:02:09 PM, https://photos.app.goo.gl/RnpkCAWdjh7WcBl93, https://www.youtube.com/watch?v=K07naD2Txe0, Quote from: gazmoore on 13 July, 2018, 15:35:55 PM, Quote from: gazmoore on 20 August, 2018, 14:09:35 PM, Quote from: 123hotchef on 31 August, 2018, 16:49:41 PM, Quote from: gazmoore on 03 October, 2018, 17:43:52 PM. first thing to do is work out if it's the lock mechanics failing, or the detection switch. I tried it first by carefully using the foot pump connected to the metal pipe on the diff and pumped to be 10psi whilst turning one back wheel and lock engaged and both wheels turned in same direction. I have finally got round to jacking the back end up again to test the function of the diff lock, and can confirm that it is in fact working. I have same with 2000 NM and a week in the trans shop with no solution. check out the. If it is found to be working, what is it that is keeping the light flashing rather than going solid? Have you figured out if the difflock is engaging yet? Fixed! NJ 1996 ITD GLX (poverty pack) with a couple of extras, ARB bar, dual batteries plus redarc, Glind shower, some roo spotties, running 235 85 R16 AT's for the road and MT's for the tracks, tweeked torsion bars, Free wheeling front hubs, Poly airs and prodegy electric brakes for the camper, GME radio thingy, Long range tank, cargo barrier, have I really spent all this on my bus?? Sprayed everything with soapy water and can't see any leaks. Follow the normal process to return the gear to your normal mode and voila. Diff light flashing after about 30km or so. i had trouble with mine and with talking to some one it can be fixed without costing a lot of $$. Do not use AWD LOCK mode on dry paved roads or highway, it can cause noise, vibration or damage of AWD related parts. Turned out to be an air lock in the pipes. if you can feel it giving pressure from the pump, again, only low pressure, then you will have a mechanical problem and its a diff out job, not too bad of a job, I have had it once where all works as should and it was a mechanical problem in the diff. Topic: Flashing diff lock light (Read 14033 times). Hello folks, I'm in a bit of a quandary here. Output from compressor seems ok, it cuts out when end of the tube is blocked. Vacuum starts from the intake manifold, check that the hose has not come off, then to a small tank near the diff, ensure no leaks, and the the diff actuator, then to the solenoids. Thanks, Gaz. pressure relief valve then, rather than the pump cycling in response to a pressure drop. In a system with small pressure and flow requirements like this is, the pump tends to operate when required in a small pressure range, rather than a high loss running cycle to a high maximum. I parked, went to 4Lo, engaged the locker, drove around in the snow a bit, seemed to be locked and working, no flickers. Thanks. There's a tiny cruddy pipe inside the diff that takes the pressure from the inlet union to the actuator - I had a tiny pin hole in mine - enough to stop it working. Without any incident or trying to put it into 4WD, the center differential lock indicator began flashing, and the car is running very strangely. Mine did from the hose clamp being loose on the intake boot coming from air cleaner to throttle body, NM V6,Exceed BFG MTs ,Injected Gas, Proficency course,GME TX3100 UHF , 2 inch lift, Pace Maker Headers ,Dobinsons.Navigation Course (still lost. Haven't had chance to get underneath and have look. Same issue as mentioned earlier by others. Sounds like a big job.What could be wrong in there? Discussion Starter • #1 • Feb 8, 2015. After reconnecting it the light did that from time to time and the D/L did not seem to work as it should. Little compressor seems to be working ok, i disconnected the connector from what I assume is the diff lock light switch and tested the resistance of the switch when I blew down the tube to the actuator. Testing the other side of the wiring out of interest, i measured 2.6v dc with the dash switch both on and off, no difference. When you select AWD Lock mode by pressing the AWD LOCK button. I was driving on the N1 at the time. I need to know where thr fault is before I start dismantling diffs!! Lock Indicator Light was on. Hi all, just thought i'd activate the rear diff lock to make sure it is ok having not used it for ages. Good point, i'll try that later today. Can't check this with just the rear jacked up as the diff lock will only activate in 4wd, and i haven't got all 4 wheels the off the ground, so cant turn the rear wheels as they are connected then to the front by the 4wd. Could sone kind member with a working diff lock check if their compressor does the same? 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