Problem starting ECO Mode and enging cooling fan coming on

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My Name: midiman

Experienced Member
Posts: 70
Joined: Sun Sep 08, 2013 9:26 am
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 141000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

Hi,

I went to out to the car this morning and found that it wouldn't start.

Then engine fan came on and went into overdrive. It is also showing one bar of the temp gauge and ECO Mode on the console display.

Then when I turn the ignition key to 1, I get a flashing battery light.

We had a heavy downpour overnight and some water may have got onto the electronics.

I've put it on my Lexia and the global test says that the BSI has a problem.

I've tried to reset the BSI but the problems still persists.

It did start up once and ran for a while. But then it cut out and started to do the same.

I don't know why the engine cooling fan is coming on with the ignition and showing that the engine is warm.

Any ideas, I really need some help here.

I have this fault from the ECU (Communication fault between the built in systems interface (BSI) and the ECUs on the COMFORT VAN)

Also I have noticed

BSI matched to ECU = Yes
BSI ready for programming = No
Confidential key memorized = yes
Key 1 synchronised = No
Engine ECU locked = yes
User avatar
My Name: C3driver52

Guru
Posts: 1938
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Has thanked: 110 times
Been thanked: 67 times

Post

We had a heavy downpour overnight and some water may have got onto the electronics.
You could try drying out the affected electronics otherwise you may just be going around in circles trying to find faults.

Are all your plastic covers for the engine fuse box and engine ECU all fitted correctly? Have you checked the BSI is dry?

midiman wrote:Then when I turn the ignition key to 1, I get a flashing battery light.
This is ECO mode, a power saving timer that disables various power circuits until the car is started to save draining the battery. The ECO mode will clear when the engine is started.

midiman wrote:I don't know why the engine cooling fan is coming on with the ignition and showing that the engine is warm.
You can get these sort of odd things going on if circuits are shorted out by water :cry:
These are engine ECU problems.

midiman wrote:BSI matched to ECU = Yes
BSI ready for programming = No
Confidential key memorized = yes
Key 1 synchronised = No
Engine ECU locked = yes
Image
Image
A screen capture of a 'ready to start' C3 Diesel.


Problem with your
Engine ECU locked = yes ?
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