interior light DOOR mode not working - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

shaoster · 01-06-2013, 08:10 AM

does anyone know how to remedy the interior map light not working when in DOOR mode? it turns on when i switch it to ON, but doesn't seem to function when left in opening the doors in DOOR mode. I suspect a blown fuse, but i can't seem to find the correct location from the manual. Thanks in advance for your help.

Squishy · 01-06-2013, 01:27 PM

I don't think the DOME light fuse in the relay box in the engine bay is the problem.

The wiring diagram (page 76 of BRZ wiring manual) shows it feeds off a signal from the main ecu to the door switch to the dome light for the door mode. IF the fuse was a problem at all then it would not work in direct on mode either.

I would be tracing down the door switch and lastly the main ecu signal. Possibly even the wiring in the dome light if there was any disassembly such as installing a homelink dimming mirror.

boredom.is.me · 01-06-2013, 03:00 PM

Take it to a dealership. That's what a warranty is for.

Acree · 01-13-2013, 03:36 AM

Quote:

Originally Posted by Squishy

I don't think the DOME light fuse in the relay box in the engine bay is the problem.

The wiring diagram (page 76 of BRZ wiring manual) shows it feeds off a signal from the main ecu to the door switch to the dome light for the door mode. IF the fuse was a problem at all then it would not work in direct on mode either.

I would be tracing down the door switch and lastly the main ecu signal. Possibly even the wiring in the dome light if there was any disassembly such as installing a homelink dimming mirror.

Can you please point me towards the place where you were able to get the manual?

-Acree

EZx2 · 10-28-2014, 04:31 PM

Quote:

Originally Posted by shaoster

does anyone know how to remedy the interior map light not working when in DOOR mode? it turns on when i switch it to ON, but doesn't seem to function when left in opening the doors in DOOR mode. I suspect a blown fuse, but i can't seem to find the correct location from the manual. Thanks in advance for your help.

Have you find the problem, please share
Regards

MaryDorifto88 · 10-18-2017, 02:47 PM

Hey Guys, i have the same issue! it seems like that on the power cable from the door is only 5V ! anyone have an idea what to do or where the issue is at...?

thanks in advance

Gt86uk · 11-29-2019, 12:50 PM

Hi guys. i do have the same problem here with my dome light.
Was my mistake and i shortcircuit the dome light. Pluged the laptop to delete the dtc code, but since then only works when is the on position.
If i put the door position wont came on at all. Anyone knows how to fix it without changing the ecu?

Contender · 12-04-2019, 01:23 AM

Stupid question but you know its a three way switch right?

Gt86uk · 12-06-2019, 05:24 PM

Quote:

Originally Posted by Contender

Stupid question but you know its a three way switch right?

Yes i do. When i put in the on mode. It lights up.
In the door mode doesnt.
Has i blew the fuse, must have done something to the ecm?

Gt86uk · 12-22-2019, 03:52 PM

Anyone know how to solve this??

sharpsicle · 12-24-2019, 05:51 PM

The door setting is directly ground controlled by the ECM. The dome light uses the same positive circuit in all positions. So if it lights up when switched to 'On' but doesn't work on 'Door', then it's either a problem with the wire going from the dome to the ECM or inside the ECM itself.

Gt86uk · 01-24-2020, 03:10 PM

Quote:

Originally Posted by sharpsicle

The door setting is directly ground controlled by the ECM. The dome light uses the same positive circuit in all positions. So if it lights up when switched to 'On' but doesn't work on 'Door', then it's either a problem with the wire going from the dome to the ECM or inside the ECM itself.

Yah. I saw on the manual a test to see the if there is any problems with the cable. But cant find the plug.
Need to have a better look.

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01-06-2013, 01:27 PM	#2
Squishy Senior Member Join Date: Sep 2012 Drives: 2013 WRB BRZ Location: Katy, TX Posts: 177 Thanks: 22 Thanked 78 Times in 54 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I don't think the DOME light fuse in the relay box in the engine bay is the problem. The wiring diagram (page 76 of BRZ wiring manual) shows it feeds off a signal from the main ecu to the door switch to the dome light for the door mode. IF the fuse was a problem at all then it would not work in direct on mode either. I would be tracing down the door switch and lastly the main ecu signal. Possibly even the wiring in the dome light if there was any disassembly such as installing a homelink dimming mirror.

10-18-2017, 02:47 PM	#6
MaryDorifto88 Junior Member Join Date: Dec 2014 Drives: GT86 Location: Germany Posts: 8 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Hey Guys, i have the same issue! it seems like that on the power cable from the door is only 5V ! anyone have an idea what to do or where the issue is at...? thanks in advance

11-29-2019, 12:50 PM	#7
Gt86uk Junior Member Join Date: Nov 2019 Drives: Gt86 Location: Slough Posts: 5 Thanks: 0 Thanked 2 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Hi guys. i do have the same problem here with my dome light. Was my mistake and i shortcircuit the dome light. Pluged the laptop to delete the dtc code, but since then only works when is the on position. If i put the door position wont came on at all. Anyone knows how to fix it without changing the ecu?

12-04-2019, 01:23 AM	#8
Contender Senior Member Join Date: Nov 2018 Drives: 2017 Toyota 86 Location: Washougal Posts: 130 Thanks: 6 Thanked 51 Times in 29 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Stupid question but you know its a three way switch right?

12-22-2019, 03:52 PM	#10
Gt86uk Junior Member Join Date: Nov 2019 Drives: Gt86 Location: Slough Posts: 5 Thanks: 0 Thanked 2 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Anyone know how to solve this??

12-24-2019, 05:51 PM	#11
sharpsicle Certs You Dont Care About Join Date: Mar 2017 Drives: 2013 Galaxy Blue BRZ Location: Milwaukee, WI / Tampa, FL Posts: 230 Thanks: 34 Thanked 131 Times in 80 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	The door setting is directly ground controlled by the ECM. The dome light uses the same positive circuit in all positions. So if it lights up when switched to 'On' but doesn't work on 'Door', then it's either a problem with the wire going from the dome to the ECM or inside the ECM itself.

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