XJ40 ( XJ81 ) 1986 - 1994

'92 3.2 XJ40 brake warning light.

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Old 08-05-2011, 12:12 AM
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Default '92 3.2 XJ40 brake warning light.

Hi all,

When I use my brakes the (o) warning light flashes on the dash each time I release them (as the brake pedal switch turns off). It was intemittant but now does it every time, even when I gently touch the brake pedal and just activate the switch.
I have checked the connections that I can see, the pads look ok, brake fluid is at the correct level and the brakes are working well. VCM says 'FAIL'.
Can anyone give me a heads up on this? low vacuum??
 

Last edited by direng; 08-05-2011 at 12:37 AM.
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Old 08-05-2011, 03:14 AM
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Is your brake wear sensors OK ? Mine flashed too .Also, make sure ABS works fine so is brake master cylinder
 
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Old 08-05-2011, 05:02 AM
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Hmm, yours lights up when you release the brakes?? Mine flashed when I applied them. Duff accumulator sphere for me.

Check the inline brake fuses above the inertia switch, OZ car, right side above accelerator pedal.
 
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Old 08-05-2011, 05:18 AM
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Thank you,

I will check out your suggestions and let you know how I went.

I have a vehicle hoist at my factory but will be away next week.

As this issue started out as an intemittent fault I didn't suspect a fuse - unless it is the fuse connection.
 

Last edited by direng; 08-05-2011 at 05:21 AM.
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