Daft 1st question from newby

by Molly3 Tue 7 Nov 2017 - 18:33

Just taken delivery of 2014 nuevo all seems well apart from one Niggle ,the outside temp reads very low about 5 degrees .can it be adjusted or am I stuck with it .

by crosgor Tue 7 Nov 2017 - 23:43

Moving the van down to Costa del Sol will raise it some.

by KMRTOPAZ Wed 8 Nov 2017 - 5:23

It isn't a daft question. As has been said before on this forum, no questions are daft questions.
On the other hand, there are quite often daft answers. But of course, you have already realised this having already had two!
Always in a spirit of friendly banter.
Keith

by Askit Wed 8 Nov 2017 - 14:28

Molly3 wrote:Just taken delivery of 2014 nuevo all seems well apart from one Niggle ,the outside temp reads very low about 5 degrees .can it be adjusted or am I stuck with it .

That sounds positively balmy, come up here where you can put a minus in front of the 5 this morning cold

by Gromit Wed 8 Nov 2017 - 15:15

As far as I know it can't be adjusted, but I don't recall ever looking at our readout so I've never bothered to find out.

I have this wonderful sixth sense you see - the moment I open the outside door I can tell if I need me 'at an' coat. snigger

by crosgor Thu 9 Nov 2017 - 15:26

I've done a bit of research and it seems that it is most likely a wiring fault between the sensor and the ecu (probably a dirty connection somewhere giving a slightly higher resistance) The sensor itself may be located in the passenger mirror.

by Gromit Thu 9 Nov 2017 - 16:14

This may be of interest, and it's so cheap there's very little risk if it turns out to be useless.

From the description I think it should work on a single glazed window, such as the "quarter light". Not sure if it would be so good on a double glazed acrylic side window.

LINK HERE

by Peter Brown Thu 9 Nov 2017 - 17:48

crosgor wrote:I've done a bit of research and it seems that it is most likely a wiring fault between the sensor and the ecu (probably a dirty connection somewhere giving a slightly higher resistance) The sensor itself may be located in the passenger mirror.

I've never really given any though as to where Sargent fit the sensor to read external temperature. I've seen the sensor adjacent to the leisure battery that controls the charger and I've dismantled/reassembled my passenger side mirror a few times but seen nothing there.

by PLOUGHLIN Thu 9 Nov 2017 - 18:08

The sensible place to fit it would be in the Hab area awning light. I doubt it is recieving a signal from the base vehicle external sensor/ecu.

by Peter Brown Thu 9 Nov 2017 - 18:23

PLOUGHLIN wrote:The sensible place to fit it would be in the Hab area awning light. I doubt it is recieving a signal from the base vehicle external sensor/ecu.

Its not in there on mine - just had to strip it down to replace a bulb!!!

by inspiredron Sun 12 Nov 2017 - 5:31

PLOUGHLIN wrote:The sensible place to fit it would be in the Hab area awning light. I doubt it is recieving a signal from the base vehicle external sensor/ecu.

On my Nuevo I am fairly sure that Sargent external temperature matches that shown on dashboard. And I also think that sensor is in one of the door mirrors on Peugeot/Fiat - possibly different on Mercedes. I believe that the Sargent gets the info from the vehicle computer via pins 9 & 10 of the vehicle input plug to the EM50 which are specific CAN BUS connections.

by PLOUGHLIN Sun 12 Nov 2017 - 6:29

According to Sargent EM50 connector pin layout pdf I have pin 9 & 10 are not used.
Pin Fiat SES Description
1= [W] (W) THIRD BRAKE LIGHT FEED FROM CAB
2= [N/B] (W/N) D- SIGNAL FROM CAB (-VE ENGINE RUN)
3= [N/G] VEHICLE SPEED SIGNAL
4= [R/B] (R) DOOR LOCK SIGNAL
5= [B/R] (B/R) DOOR UNLOCK SIGNAL
6= [P/B] REAR DOOR SIGNAL INPUT TO CAB
7= [G/R] CEILING LIGHT +VE SUPPLY FROM CAB
8= [G/W] CEILING LIGHT -VE SUPPLY FROM CAB
9= [K/W] CAN BUS SIGNAL (LOW)
10= [K/B] CAN BUS SIGNAL (HIGH)
11= [R/Y] (P) SIDE MARKER SIGNAL FROM CAB
12= [Y/G] (Y/G) AIRCON SIGNAL FROM CAB
13= [U/Y] (U) IGNITION SIGNAL FROM CAB
14= [G/N] (G/N) HEATER SIGNAL FROM CAB
15= [ ] NOT CONNECTED
FROM FIAT CAB
Green = Not used by EM50
Blue = Only required as option on EM50
Black = Required signals

by inspiredron Mon 13 Nov 2017 - 6:30

That is the same EM50 pdf that I looked at. I have not checked my connector to see if 9 & 10 are connected but as my temperatures are the same (I think) I assumed that the sensor source is the same.

by Molly3 Wed 15 Nov 2017 - 21:16

Just had a Check Sargent 5.8 c dash 39 c ( not sure if 3.9 or 39 no point incerted . ) Actual temp 9.6 c.???

Daft 1st question from newby

Daft 1st question from newby

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