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Discussion Starter #1
Hi everyone, my first post for a yonk.
The dashboard dimmer knob is being inconsistent. Somewhere there's a faulty / loose connection as the dash lights flash on and off. Sometimes they'll stay on with the dimmer knob, left out, sometimes with it pushed in.
Any ideas please?
Thanks in advance,
 

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There are 2 settings for the dash brightness.

A setting for headlights off and a setting for headlights on

To adjust each you have to have the headlights off or on.

Having the headlights set to auto will mean a little bit of shade can turn the lights on and dim down the dashlights
 

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Discussion Starter #3 (Edited)
There are 2 settings for the dash brightness.

A setting for headlights off and a setting for headlights on

To adjust each you have to have the headlights off or on.

Having the headlights set to auto will mean a little bit of shade can turn the lights on and dim down the dashlights
Hi Grayfox, thanks for the thoughts, but this is not that. The lights in the dashboard are flashing on and off totally and inconsistently. I must admit I hadn't known about a setting for headlights on or off. As far as I know I've not got a "headlights set to auto" function, being a 58-plate SE 2.2CDTi, but I'm now off to have another look at the manual. Will get back if I find anything.:)

Right, just looked, no mention of anything automatic. The button adjusts dashboard brightness if headlights are off or on, but that's it. I've just noted you're in Australia, so apologies if you didn't understand "58-plate." It's September 2008.
Thanks again,
 

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seeing as you have an SE which is the base model your car wouldn't have the autoheadlights/auto wiper function

This is a picture of a headlight combo switch that does have it.
Image uploading. Refresh page to view


Otherwise I cant explain why the dashlights are dimming randomlly
 

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Ex-Pat Geordie!
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Hi Grayfox, thanks for the thoughts, but this is not that. The lights in the dashboard are flashing on and off totally and inconsistently. I must admit I hadn't known about a setting for headlights on or off. As far as I know I've not got a "headlights set to auto" function, being a 58-plate SE 2.2CDTi, but I'm now off to have another look at the manual. Will get back if I find anything.:)

Right, just looked, no mention of anything automatic. The button adjusts dashboard brightness if headlights are off or on, but that's it. I've just noted you're in Australia, so apologies if you didn't understand "58-plate." It's September 2008.
Thanks again,
You will have an auto setting, I've a 57 2.2 and it has one... Means if you go through a tunnel, somewhere very shaded or it starts getting dark your lights will go on... When it gets to around dusk they can go a bit haywire coming on and off intermittently.
 

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Discussion Starter #6
seeing as you have an SE which is the base model your car wouldn't have the autoheadlights/auto wiper function

This is a picture of a headlight combo switch that does have it.
Image uploading. Refresh page to view


Otherwise I cant explain why the dashlights are dimming randomlly
Righto, that's alien to me!! Thanks again for thinking. I see there's another message now from nturnb....Cheers JY
 

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Discussion Starter #7
You will have an auto setting, I've a 57 2.2 and it has one... Means if you go through a tunnel, somewhere very shaded or it starts getting dark your lights will go on... When it gets to around dusk they can go a bit haywire coming on and off intermittently.
Hiya, thanks for that, but I don't think my SE (base model at the time) does have anything automatic re: headlights. As I said to Grayfox, nothing in the manual. Which model do you have please?
If an SE, I'll have to have a serious investigation with the settings, but the immediate problem is the inconsistent losing of the lights. I've booked it into Shepton Mallet Motors Honda on 31st March. The service chap I spoke to hasn't had the problem before, so he's not surprised there's not a definite answer on the forum here. Trust me to get the disease first:(
 

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Ex-Pat Geordie!
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Hiya, thanks for that, but I don't think my SE (base model at the time) does have anything automatic re: headlights. As I said to Grayfox, nothing in the manual. Which model do you have please?
If an SE, I'll have to have a serious investigation with the settings, but the immediate problem is the inconsistent losing of the lights. I've booked it into Shepton Mallet Motors Honda on 31st March. The service chap I spoke to hasn't had the problem before, so he's not surprised there's not a definite answer on the forum here. Trust me to get the disease first:(
If it did have auto lights it would say Auto as an option on the light stalk.... Mine is an ES and does have the Auto lights....
 

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So your car does not have this kind of rear view mirror
Image uploading. Refresh page to view


But a standard type like this one



If it did have auto lights it would say Auto as an option on the light stalk.... Mine is an ES and does have the Auto lights....
ES is mid range so it might have it but SE being the povo spec wont have it as standard but in theory could have it added.
 

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Been looking at the wiring diagrams and cant find any issue.

So the issue is either the MICU/fusebox, The gauge cluster unit since the dash brightness controller is apart of it

You can do a test on the gauge to see if the gauge might have any communication issues, see video below

(resolution is very large)




Before doing the self-diagnostic function, check the No. 10 (7.5 A) fuse in the under-dash fuse/relay box and No. 16 (15 A) fuse in the under-hood fuse/relay box.

1. Push and hold the SEL/RESET switch button.

2. Turn the headlights ON.

3. Turn the ignition switch ON (II).

4. Within 5 sec., turn the headlights OFF, then ON and OFF again.

5. Within 5 sec., release the SEL/RESET switch button, and then push and release the button three times repeatedly.

NOTE:
•While in the self-diagnostic mode, the dash lights brightness controller operates normally.

•While in the self-diagnostic mode, the SEL/RESET button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check.

•If the vehicle speed exceeds 2 km/h (1.2 mph) or the ignition switch is turned OFF, the self-diagnostic mode ends.
 

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Discussion Starter #11 (Edited)
So your car does not have this kind of rear view mirror
Image uploading. Refresh page to view


But a standard type like this one





ES is mid range so it might have it but SE being the povo spec wont have it as standard but in theory could have it added.
That's correct, nuthin' fancy here. I was about to say "so less to go wrong":rolleyes:
 

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Discussion Starter #12 (Edited)
Been looking at the wiring diagrams and cant find any issue.

So the issue is either the MICU/fusebox, The gauge cluster unit since the dash brightness controller is apart of it

You can do a test on the gauge to see if the gauge might have any communication issues, see video below

(resolution is very large)




Honda Civic Hatchback FK2 MKVIII Dash with gauge cluster test - YouTube
Before doing the self-diagnostic function, check the No. 10 (7.5 A) fuse in the under-dash fuse/relay box and No. 16 (15 A) fuse in the under-hood fuse/relay box.

1. Push and hold the SEL/RESET switch button.

2. Turn the headlights ON.

3. Turn the ignition switch ON (II).

4. Within 5 sec., turn the headlights OFF, then ON and OFF again.

5. Within 5 sec., release the SEL/RESET switch button, and then push and release the button three times repeatedly.

NOTE:
•While in the self-diagnostic mode, the dash lights brightness controller operates normally.

•While in the self-diagnostic mode, the SEL/RESET button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check.

•If the vehicle speed exceeds 2 km/h (1.2 mph) or the ignition switch is turned OFF, the self-diagnostic mode ends.
Right, you are being very helpful here. We've just been away 4 nights, hence late response. I'll have a better look tomorrow. It may be beyond me, but I'll certainly start with the fuses.
Back when I've got something sensible to say.
Cheers,
 

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Discussion Starter #13
Hi again Grayfox. I've had a try this morning. The fuses are fine, hardest part was removing the key for easy removal of fuse!
However, on following the instructions 3 times, I couldn't see anything appearing which might be the self-diagnostic programme. Presumably the 2nd bullet point under instruction 5 is the way by pushing SEL/RESET 3 times that the appropriate test is selected / activated. All it was doing is changing the A & B mpg details. There was nothing happening similar to the video.
Perhaps this is because my car is an older model being a 2008. I wouldn't think it's because it's a SE, as there's little point in excluding available software which is usually used by the dealers.
Do you think I'm misunderstanding something?
 

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Do the following.

Make sure headlights are set to Off>Insert Key>Push and hold Sel/Reset>Set headlights to sidelights>Turn Key to POSII>Turn sidelights Off>Turn Sidelights On>Turn Sidelights Off>Release Sel/Reset and press 3 times quickly

This info is also in a 2006 service manual and the gauge clusters are all the same software wise
 

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Discussion Starter #15 (Edited)
Do the following.

Make sure headlights are set to Off>Insert Key>Push and hold Sel/Reset>Set headlights to sidelights>Turn Key to POSII>Turn sidelights Off>Turn Sidelights On>Turn Sidelights Off>Release Sel/Reset and press 3 times quickly

This info is also in a 2006 service manual and the gauge clusters are all the same software wise
Right, thanks again! I see you've changed "headlights" to "sidelights" and I tried a couple of times with ignition key at just pushed in before changing to 2 and pos. 1 before changing to 2, but I can see no reaction at all. Of course the dashboard lights are off most of the time(!) but I can see that there's no whizzing round of the dials, and no diagnostic codes coming into view.
I'll give it one more try and get back if there's any success or anything to see.

AND SUCCESS - of a sort anyway. The position of the ignition key is critical. I pushed it in, then turned it very slightly so it locks in, but not in pos.1
The system went through the motions as on the video, with me having to hold the dimmer switch hard in to keep the lights on to see anything. What appeared were 3 white dots in the centre of the dashboard, then the system just kept flashing all the lights on the dashboard, which I took as the end of the test. As no codes came up, I suppose that's it, and it is just a dodgy electrical connection behind the dimmer switch.
Thanks again Grayfox,
Cheers
 

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The service manual states headlights.

But since my car had AUTO headlights I had to use sidelights as you can see my car was in the garage at night which would have triggered to AUTO headlights, heck it even triggered them in the day

Yeah I would agree with your statement.

Bad solder connections on the back?

If so it is an easy fix, but to fix it you need to remove the gauge cluster.
 

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Discussion Starter #17
It takes some interpretation, which the professionals would know, I suppose.
Of course, ironically, with some much warmer weather today, the dash light has behaved perfectly:confused:
I'm definitely driving again Tuesday, so if it's OK then, I'll cancel the appointment at Shepton Honda. The weather's going to be colder for next 3 days, so maybe this will affect it. I don't suppose the running of the test actually fixed it, but maybe me holding the switch in and getting annoyed with it has cleaned the electrical connection. It would be interesting to look at what's there - but hopefully I won't have to now.
Thanks again,
 

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Discussion Starter #18
The lights still messing about this morning on way to Shepton Mallet Honda.
Mechanic took dash off and looked but can't repair it there. Specialised companies look after speedometer assemblies. No charge today.
On way back home the dash behaved itself, so will monitor till April 25th appointment to dismantle dash and send assembly away. If the switch has been inadvertently repaired by the action today, great, but if not it'll take approx a week, and cost approx £300.
Oh, well, it's the first ever something expensive has happened since Sept.2008.
 

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Discussion Starter #19
The dashboard had to be sent away to a specialist company this week, as the car was in for the 100K/8 year service, a big one. (No local auto-electricians would touch it - "Leave it to the dealer, I'm not sure if I'll break it," x3)
The cost of this was £256.50 incl. the fast courier service to get it back Monday - Friday. It's certainly working again. Otherwise I'll post the cost of the service in the usual spot on the Wiki - Real World Brochure - Dealerships & Servicing - Service Cost - 2.2 Diesel Service 8.

END OF STORY (I TRUST...)
 

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Thread revival. I have exactly the same oroblem with my dash. I dont suppose you where told what the problem was? Thanks
 
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