L322 03 plate battery drain and alarm randomly goes off

colinwinstone · Dec 28, 2014

Hi All,

I have a problem that I thought was fixed at the garage a few weeks ago along with a few other issues however it has just happened again!!!

I have the L322 Range Rover V8 and the battery has a drain and all of a sudden the alarm will go off.

Any ideas what the problem might be?

Thanks everyone.

robhew86 · Dec 28, 2014

colinwinstone said:
Hi All,

I have a problem that I thought was fixed at the garage a few weeks ago along with a few other issues however it has just happened again!!!

I have the L322 Range Rover V8 and the battery has a drain and all of a sudden the alarm will go off.

Any ideas what the problem might be?

Thanks everyone.

What was the problem that was "fixed" ?

colinwinstone · Dec 28, 2014

robhew86 said:
What was the problem that was "fixed" ?

ABS ECU, Air Suspension Pump and internal heating control panel.

colinwinstone · Dec 28, 2014

robhew86 said:
What was the problem that was "fixed" ?

I have been told by a garage that it might be the HEADLIGHT LEVELING MODULE ECU that in the left hand passenger A post. But thought I would get a few other peoples opinions first!

robhew86 · Dec 28, 2014

colinwinstone said:
ABS ECU, Air Suspension Pump and internal heating control panel.

Has the battery been replaced recently? Could have damaged it when it was flattened before but this cold weather has finally killed it.
Alternator charging properly?

colinwinstone · Dec 28, 2014

robhew86 said:
Has the battery been replaced recently? Could have damaged it when it was flattened before but this cold weather has finally killed it.
Alternator charging properly?

Yes battery was replaced at Kwikfit a couple of months ago. Prior to having all the bits done that I mentioned above.

brianp38dse · Dec 28, 2014

Didnt saint v8 have a battery drain traked down to headlight wipers not parking properly i may be wrong but it rings a bell

colinwinstone · Dec 28, 2014

robhew86 said:
Has the battery been replaced recently? Could have damaged it when it was flattened before but this cold weather has finally killed it.
Alternator charging properly?

Yes apparently when AA came out few months ago also they said the alternator was working fine.

robhew86 · Dec 28, 2014

colinwinstone said:
Yes battery was replaced at Kwikfit a couple of months ago. Prior to having all the bits done that I mentioned above.

I would check battery voltage first should be 12.5 V +/- switched off, engine running should be 14v+ before spending any money and go from there. But yes headlight levelling ECU can cause battery drain. Can whip the bottom of the A pillar off in passenger side check it isn't wet/damp

colinwinstone · Dec 28, 2014

brianp38dse said:
Didnt saint v8 have a battery drain traked down to headlight wipers not parking properly i may be wrong but it rings a bell

Yes I remember that too but the problem went away and as if by magic weeks later problem has come back.

colinwinstone · Dec 28, 2014

robhew86 said:
I would check battery voltage first should be 12.5 V +/- switched off, engine running should be 14v+ before spending any money and go from there. But yes headlight levelling ECU can cause battery drain. Can whip the bottom of the A pillar off in passenger side check it isn't wet/damp

Without sounding a complete and utter idiot (maybe I am when I ask what I am about to ask) but I have no idea where the A Pillar passenger side is lol. Is there a picture of it anywhere online so I know what the hell I am looking for

. Thanks Mate

colinwinstone · Dec 28, 2014

robhew86 said:
I would check battery voltage first should be 12.5 V +/- switched off, engine running should be 14v+ before spending any money and go from there. But yes headlight levelling ECU can cause battery drain. Can whip the bottom of the A pillar off in passenger side check it isn't wet/damp

Regarding the battery voltage, I am going to take the battery back to Kwickfit tomorrow so they can test it and tell me whether the battery it holding its voltage it is knackered.

brianp38dse · Dec 28, 2014

A pillar passanger side is front left pillar, panel at bottom by feet

robhew86 · Dec 28, 2014

brianp38dse said:
Didnt saint v8 have a battery drain traked down to headlight wipers not parking properly i may be wrong but it rings a bell

Not sure if it was saint, but I have heard it can be an issue!

colinwinstone said:
Without sounding a complete and utter idiot (maybe I am when I ask what I am about to ask) but I have no idea where the A Pillar passenger side is lol. Is there a picture of it anywhere online so I know what the hell I am looking for . Thanks Mate

The A pillar is the pillar that run down the side of the RR between front windows and windscreen (2 pillars, one either side, the wing mirrors are almost mounted onto them) B pillars are where the drivers/passengers seatbelts are mounted (stowed away), C pillars are where rear seat belts are mounted and so on if you get my drift.

I believe there is a bit of trim I the passenger side foot well at the bottom of the A pillar, the headlight ECZu is located behind that somewhere

colinwinstone · Dec 28, 2014

brianp38dse said:
A pillar passanger side is front left pillar, panel at bottom by feet

Perfect thanks mate

colinwinstone · Dec 28, 2014

robhew86 said:
Not sure if it was saint, but I have heard it can be an issue!

The A pillar is the pillar that run down the side of the RR between front windows and windscreen (2 pillars, one either side, the wing mirrors are almost mounted onto them) B pillars are where the drivers/passengers seatbelts are mounted (stowed away), C pillars are where rear seat belts are mounted and so on if you get my drift.

I believe there is a bit of trim I the passenger side foot well at the bottom of the A pillar, the headlight ECZu is located behind that somewhere

You are a gentlemen. Thanks very much. I will let you know the outcome tomorrow and if it fixes it a box of the bubbly stuff will be on its way to you.

robhew86 · Dec 28, 2014

No probs, put your location in your profile somebody may be local to you and able to help you

Saint.V8 · Dec 28, 2014

brianp38dse said:
Didnt saint v8 have a battery drain traked down to headlight wipers not parking properly i may be wrong but it rings a bell

robhew86 said:
Not sure if it was saint, but I have heard it can be an issue!

Wasn't me, but is a common issue....solution is to remove the wiper arms and cycle the motors wait for them to park and refit arms...

Final Stage Resistor is a common one too!!!

Headlamp leveling ECU can cause issues!

colinwinstone · Dec 28, 2014

robhew86 said:
Not sure if it was saint, but I have heard it can be an issue!

The A pillar is the pillar that run down the side of the RR between front windows and windscreen (2 pillars, one either side, the wing mirrors are almost mounted onto them) B pillars are where the drivers/passengers seatbelts are mounted (stowed away), C pillars are where rear seat belts are mounted and so on if you get my drift.

I believe there is a bit of trim I the passenger side foot well at the bottom of the A pillar, the headlight ECZu is located behind that somewhere

Nice one. I have updated my location however in case anyone is close I am based in Chatham, Kent (Medway Towns). Thanks

colinwinstone · Dec 28, 2014

Saint.V8 said:
Wasn't me, but is a common issue....solution is to remove the wiper arms and cycle the motors wait for them to park and refit arms...

Final Stage Resistor is a common one too!!!

Headlamp leveling ECU can cause issues!

Thanks mate. I will try those. How do I "cycle the motors" I guess by engaging the windscreen wipers?

L322 03 plate battery drain and alarm randomly goes off

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