100 series dash lights

Submitted: Saturday, Feb 08, 2014 at 23:46
ThreadID: 106147 Views:4924 Replies:6 FollowUps:6
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Driving to a mates place tonight the ABS and Handbrake lights came on, after arriving at his place we drove back to town to get tea and returned to his place. Probably the equivalent of about 15 klms as we got back to the mates place the lights went out and all good, then after about 2 hours drove back home, roughly about 10 klms, no lights all still good. Anybody got any Idea what the problem could be. While the lights were on there was no difference to anything. Will get the mechanic to check it out next week to see if there are any fault codes.
Thanks in advance.
Cheers Ross.
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Reply By: Ross M - Sunday, Feb 09, 2014 at 00:31

Sunday, Feb 09, 2014 at 00:31
Did you check the brake fluid level?

If the brake pads are worn and used some fluid to replace the worn amount through caliper piston movement then the fluid level will be less in the MC. If down too far the low fluid warning may switch on or on the verge of being on and trigger the lights at some time/s. Brakes are both related to ABS and handbrake so that might be the problem.

If it is make sure you use exactly the same fluid as is required, ie Dot 4 for a Dot 4 vehicle and Dot 5 for a Dot 5 vehicle, don't mix them. Handbook will say and probably on the MC lid/cap too.

Cheers
Ross M

Fine name that.
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Follow Up By: Member - Phil G (SA) - Sunday, Feb 09, 2014 at 14:00

Sunday, Feb 09, 2014 at 14:00
100series will be DOT 3 fluid only - like you say can't use DOT4.
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Follow Up By: Member - Phil G (SA) - Sunday, Feb 09, 2014 at 14:03

Sunday, Feb 09, 2014 at 14:03
Forgot to add that the brake fluid level needs to be right up to the top - light can come on when fluid is halfway between Max and Min.
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Reply By: Tim - Sunday, Feb 09, 2014 at 06:23

Sunday, Feb 09, 2014 at 06:23
I have heard of dash lights playing up before in cruisers due to an earth fault. I'm not diagnosing the problem but something to keep in mind.
Tim
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Follow Up By: Member - nick b - Sunday, Feb 09, 2014 at 10:28

Sunday, Feb 09, 2014 at 10:28
Agree : we had this with mates 100 series, a short in trailer plug was the problem .
Cheers Nick b
VKS 737 ( 0915 )
Wish the missus was as dirty as the tailgate

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Reply By: MactrolPod - Sunday, Feb 09, 2014 at 07:05

Sunday, Feb 09, 2014 at 07:05
With Ross on this one, check the brake fluid in the master cylinder.
Hand brake light came on in my Patrol, checked the handbrake from one end to the other with no problems. When our mechanic looked at it and topped up the fluid I felt like a bloody idiot LOL
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Reply By: Member - bill f (QLD) - Sunday, Feb 09, 2014 at 09:21

Sunday, Feb 09, 2014 at 09:21
Hi, Had similar but not in a Cruiser. ABS light came on on a trip to town. Stopped & rang customer support & told not to worry. Light out after stopped for a while but came back on for the rest of the trip. Stayed off while running around town but came back on for the trip home. For the next six months light came as soon as we had travelled 20 km. Checked fuses as told by customer support that some dash lights shared circuitry with tail lights & that could cause problems.

After about 6 months came on for start of trip, stopped for smoko & has not been seen since. Beats me (but that's not hard to do) Bill
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Reply By: Member - Gaz@Gove (NT) - Sunday, Feb 09, 2014 at 10:39

Sunday, Feb 09, 2014 at 10:39
Rosss,
Did the alarm come on?
Had the same thing happen to my 105 series not long ago, except the alarm came on as well, unlike yours it didn't stop and the pump made some wierd noises. Ended up being a dead brake booster/master cylinder unit.
Replaced it with a second hand unit, $700 all up, instead of $3500 from Toyota or $1800 from other places.

Hope yours is a simple fix.
Gaz.
Mmmmmmmm, now where do we go next?

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Follow Up By: Member - Rosss - Sunday, Feb 09, 2014 at 12:23

Sunday, Feb 09, 2014 at 12:23
Yes Gaz the alarm did come on, I would assume if the booster was dead it should effect the feel of the brakes. Did your pedal feel any different while you had the problem.
Cheers Ross.
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Follow Up By: Member - Gaz@Gove (NT) - Sunday, Feb 09, 2014 at 13:56

Sunday, Feb 09, 2014 at 13:56
Rosss,
No mate, the there was no difference in the pedal feel or the brakes, just that awful feeling that there may not any brakes the next time they were needed. The pump was running non stop singing weird songs, but it could have stopped at any minute and then, well............Oops, sorry. :)

Hopefully your mechanic has a diagnostic machine and it should tell him what the problem is.
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Follow Up By: Life Member TourBoy, Bundaberg - Sunday, Feb 09, 2014 at 20:02

Sunday, Feb 09, 2014 at 20:02
Had the same intermittent fault a couple of months ago. Ended up being an open circuit in the ABS pump motor, this was also pulling the battery down over a couple of days. Changed the whole master / pump/ booster unit and all is good. Easy to change yourself if you have a 10mm pipe spanner. To bleed you just turn on the ignition and the pump will pressurize the system, undo the furthest away rear bleed nipple and it will pump out the air quick as (keep an eye on the level in the master). The brakes were still working perfectly the whole time. I intend to pull the motor off and rebuild it and keep it as a spare.
Cheers,
Dave
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Reply By: Member - Rosss - Monday, Feb 10, 2014 at 10:51

Monday, Feb 10, 2014 at 10:51
Well, we have good news and bad news, Local spanner man hooked it up to the orange box this morning, bought up 4 electrical fault codes in all different areas of the vehicle, he said with that happening it will be an intermittent bad earth somewhere, has seen it before, the big problem is tracking it down, so he cleared the codes and when it does it again see if I can get to him while the lights are still showing, hopefully it may show less codes and make it easier to track.
Thanks once again for all the different scenarios.
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