Handbrake light on, Trac off blinking...

JapCarForum Car Manufacturers Lexus/Toyota IS200 / IS300 / SPORTCROSS / Altezza Handbrake light on, Trac off blinking...

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lex2oos
Member

138

09-12-2020, 12:08 AM

Happened today...
It was -15 degrees outside. started engine, and waited for it to warm up a little, when suddenly handbrake light came on and trac off light started blinking... restarted engine, lights still on.

car drives completly normal, abs works...

is that something common?

thanks

lex2oos

09-12-2020, 12:08 AM #1

lex2oos
Member

138

09-12-2020, 02:07 AM

just went for a ride. both lights were still on, but after a minute both of them disapeared...

lex2oos

09-12-2020, 02:07 AM #2

just went for a ride. both lights were still on, but after a minute both of them disapeared...

Sparkystav
Administrator

14,683

09-12-2020, 04:22 AM

hmm does seem odd, would suggest theres a fault with the abs/braking system though

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Sparkystav

09-12-2020, 04:22 AM #3

hmm does seem odd, would suggest theres a fault with the abs/braking system though

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
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lex2oos
Member

138

09-12-2020, 06:11 AM

maybe it was because I started car with brake pedal pressed and kept it pressed for 5-7 minutes, maybe abs/trac ecu tought there is some kind of fault in brake switch, brake pressure or something...

lex2oos

09-12-2020, 06:11 AM #4

maybe it was because I started car with brake pedal pressed and kept it pressed for 5-7 minutes, maybe abs/trac ecu tought there is some kind of fault in brake switch, brake pressure or something...

iceman
Member

175

09-12-2020, 10:03 AM

have a look at ur high level. Brake light bulb.

iceman

09-12-2020, 10:03 AM #5

have a look at ur high level. Brake light bulb.

lex2oos
Member

138

10-12-2020, 04:02 AM

i know handbrake light also indicates low fluid and brake light faults. fluid is in level and bulbs are ok...
last night when i went home from work, everything was ok.

this morning again - started the engine, 5minutes later brake light on and trac off blinking. after 50km ride both lights turned off.

very confusing...

guess I'll have to try to read trouble codes next time when this problem will appear. I tried my obd scanner and it did not show anything, so it is not engine related.

lex2oos

10-12-2020, 04:02 AM #6

lex2oos
Member

138

12-12-2020, 02:30 AM

Just tried to read codes shorting E1 and Tc pins on DLC1 in engine bay. Got codes 44 and 52 if I did read them correctly.
Cant find any info online what these codes might indicate.

lex2oos

12-12-2020, 02:30 AM #7

Just tried to read codes shorting E1 and Tc pins on DLC1 in engine bay. Got codes 44 and 52 if I did read them correctly.
Cant find any info online what these codes might indicate.

iceman
Member

175

12-12-2020, 03:25 AM

don't hold me to this but code 44 is a wheel sensor if can remember righty Il check and get back to you. Most of the time its just dirt on the senor like metal flakes.

iceman

12-12-2020, 03:25 AM #8

don't hold me to this but code 44 is a wheel sensor if can remember righty Il check and get back to you. Most of the time its just dirt on the senor like metal flakes.

lex2oos
Member

138

12-12-2020, 12:13 PM

I found in my service book, that code 52 indicates low brake fluid. No info on code 44 tho...

lex2oos

12-12-2020, 12:13 PM #9

I found in my service book, that code 52 indicates low brake fluid. No info on code 44 tho...

iceman
Member

175

17-12-2020, 01:20 AM

#10

kk well try this just discontent the battery leave it for five minutes then re conect it its a easy master rest if it comes back up try a obd scanner on it . Hope this helps.

iceman

17-12-2020, 01:20 AM #10

kk well try this just discontent the battery leave it for five minutes then re conect it its a easy master rest if it comes back up try a obd scanner on it . Hope this helps.