2001 Toyota Yaris hazard lights flashing when ignition is off!!?

4odh4n

as above, with the ignition switched off the hazards start flashing, doesnt matter if the key is in the ignition or out, car is locked or open, just once the car is switched off they start flashing! the car will still lock and open as normal, and from what i can see the 'security' light on the dash flashes normally too.

once started, or even 'switched on' the hazards stop flashing and everything works perfect, including indicators, hazards etc!

it started doing this after the car came back from a valet, well it was the morning after, i came out to start the car but battery was dead as a nail, replaced the battery and started the car and has been doing this since, i assume it started during the night and flattened the battery though?? only got outside valeted so no water near switches inside or anything.

have disconnected the battery for an hour, removed the indicator relay, but still doing it, short of an expensive trip to a dealer i cant think of anything else!?, anybody had any experiences???!

tia!

colm_mcm

Has it got an alarm?
Check under the bonnet

4odh4n

do you mean aftermarket alarm?, doesnt have one, I know the car since new (owned by a family member) and has never had any modifications.

I have been advised by toyota that there would be no alarm fitted to a car of this age, just imobiliser.

langdang

Still doing it with the indicator relay removed??
Or you took it out, tested it and put it back? (and the same problem is still there )

4odh4n

sorry, should have made that a bit clearer!, when relay removed/bat disconnected it stops, as soon as it is reconnected they start up again!

colm_mcm

4odh4n wrote: »

do you mean aftermarket alarm?, doesnt have one, I know the car since new (owned by a family member) and has never had any modifications.

I have been advised by toyota that there would be no alarm fitted to a car of this age, just imobiliser.

Have they tried replacing or testing the switch?

4odh4n

just thought i would post up the outcome of this issue!

In the end the problem was traced back to the door lock control unit, basically the unit was sending constant power to the flasher relay instead of only when the doors were being locked or opened. So instead of changing out the unit, which is buried in the dash, I just disconnected the wire from the door lock unit to the flasher relay and this solved the problem, it does mean the hazards no longer flash when the doors are locked or opened, but that is a minimal loss when compared to replacing the whole unit.

colm_mcm

But Yaris's don't usually have the indicators flash unless there's an alarm fitted?

They usually don't have remote locking unless it's a top of the range model.

4odh4n

colm_mcm wrote: »

But Yaris's don't usually have the indicators flash unless there's an alarm fitted?

They usually don't have remote locking unless it's a top of the range model.

Ya its a top of range 'sol' model and has remote central locking, but no alarm. Would giv two flashes for locking and one for unlocking

philc1974

4odh4n wrote: »

just thought i would post up the outcome of this issue!

In the end the problem was traced back to the door lock control unit, basically the unit was sending constant power to the flasher relay instead of only when the doors were being locked or opened. So instead of changing out the unit, which is buried in the dash, I just disconnected the wire from the door lock unit to the flasher relay and this solved the problem, it does mean the hazards no longer flash when the doors are locked or opened, but that is a minimal loss when compared to replacing the whole unit.

Hi there

Where is the door control unit located for the yaris, my gf's car just developed the same problem today