DEFENDER2.NET - View topic

↓ Advertise on Defender2 ↓

Home · FAQ · New Posts · My Posts · PMs · Search · Members · Map · Calendar · Profile · Donate · Register · Log In

Home > Off Topic > My RRC project

Page 23 of 53

3 ...

24 ...

Print this entire topic ·

Procta

Member Since: 03 Dec 2016
Location: Sunderland
Posts: 5216

grafty99 wrote:
I haven't yet. That's this weekend's task. I have bought a cable and installed Rovergauge on my laptop so can now interrogate the ECU.

This revealed a faulty coolant temperature sensor (ECU one, dash one still working) which probably explained the slightly raised idle speed. The ECU didn't see the engine getting any warmer.

I'm going to tackle the ABS warning light and then book an MOT!

Ah if its the cooling sensor I am thinking about on rover cars, that is well known to cause trouble at the best of times. For god sake don't buy an after market one! I ended up replacing those practically every 6 months! What rover did with the later stuff, was if that sensor fails, the ECU would kick the fan on. I had two fan systems, one with the rad switch system and the other with the ECU with this said sensor. So if the sensor failed, I could hear it kick that fan on. If I were you grafty I would look at putting another fan system in there, as a back up. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!

4th Jun 2018 11:21am

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

There are already 4 cooling fans so I think that's probably enough! The air con system fans turn on for extra cooling and there are twin Kenlowe fans which are in place of the standard viscous unit.

All of these work fine, it's just the ECU that isn't (or wasn't) seeing the correct temperature. It's all ok now, idling at about 700rpm

2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton

4th Jun 2018 8:46pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10833

Does that mean MOT time

Clayton.

1996 Golf Blue 300Tdi 110 Pick up.
Keeper.

4th Jun 2018 9:01pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

Not quite yet, fingers crossed for the end of this week

4th Jun 2018 9:13pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10833

Will keep them crossed for you

Clayton.

1996 Golf Blue 300Tdi 110 Pick up.
Keeper.

4th Jun 2018 9:15pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

5th Jun 2018 7:08am

keith

Member Since: 15 Aug 2012
Location: Edinburgh
Posts: 2225

Great work as usual Grafty, good luck with MOT
Passed my MOT last week could do with a new set of rear window rubbers tho

Click image to enlarge

5th Jun 2018 8:08pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

Cheers Keith. If I can clear the ABS fault in the next couple of days then I'll be getting an MOT very soon indeed!

It can't be long until someone comes up with new rear window rubbers, I think every 4 door classic needs them don't they?!

Yours looks lovely. I hope mine will look that smart when it's done

5th Jun 2018 10:00pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

Ok, I'm getting towards the end of my tether with the ABS now!

I have solved the one persistent code I was getting which was 2-8 valve solenoid open circuit. This turned out to be a faulty relay which had a healthy click but wasn't making contact.

Anyway with this sorted you can drive around and get no fault codes but the light isn't going out. The light relay is ok as I have swapped that for a few different relays with non of them making a difference.

It must be the ECU leaving the light on as when you put a jumper wire in the diagnostic port it begins to flash but no giving any codes. This rules out a wiring fault causing the light to come on.

The diagnostic procedure involves removing the ABS light relay but I don't have to do this to make the light flash it's blink codes.

Does anyone have any ideas? No garages around by me are able to interrogate the ECU as it's such an old sytem

This is the only thing now stopping me getting an MOT! 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton

10th Jun 2018 1:35pm

Huttopia

Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1978

Are you able to borrow an ECU and swap that out to see if it solves the problem?

10th Jun 2018 1:52pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

Forgot to mention that. The ECU from the donor range rover behaves exactly the same

10th Jun 2018 2:17pm

Huttopia

Member Since: 23 Feb 2016
Location: West Midlands
Posts: 1978

It might be worth trying a third ECU if you have access to one. You could spend a lot of time chasing an error in a place it isn’t going to be found!

I hope you get it sorted out quickly.

10th Jun 2018 6:37pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4792

The thing that makes me doubt it's the ECU is that both vehicles had fully functional ABS before the rebuild. But, as you say, trying a third ECU would be well worth a try.

Anyone close to Woolacombe with an ABS equipped Range Rover Classic?

10th Jun 2018 7:27pm

L110CDL

Member Since: 31 Oct 2015
Location: Devon
Posts: 10833

Sad news you cant get to the bottom of this problem grafty

What year did they start putting ABS and ECU's on the RRC ?

Clayton.

1996 Golf Blue 300Tdi 110 Pick up.
Keeper.

12th Jun 2018 8:01pm

Procta

Member Since: 03 Dec 2016
Location: Sunderland
Posts: 5216

just take the bulb out that's it

Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!

13th Jun 2018 4:59am

Page 23 of 53

3 ...

24 ...

All times are GMT

Jump to

< Previous Topic | Next Topic >

Posting Rules

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum