78
Starting – Riding – Parking
3
d Warning:
If the BMW Integral ABS fails
in both brake circuits, a RE-
SIDUAL BRAKING FUNCTION
only is available (b 75).
d Warning:
If the RESIDUAL BRAKING
FUNCTION (
b 75) is active,
maintain a defensive riding
style and proceed immediate-
ly to a specialist workshop,
preferably an authorised BMW
motorcycle dealer.
*n depending on national-market
specification
d Warning:
If there is a fault in the ABS
system, the reserves of safety
normally afforded by ABS are
not available until the defect
has been put right.
There is a risk of dropping the
motorcycle if the brakes are
applied too hard and the
wheels lock or the rear wheel
lifts clear of the ground as a
r e su l t o f a h i g h le v e l o f t yr e ad -
hesion. Have the defect recti-
fied immediately by a
specialist workshop, prefera-
bly an authorised
BMW motorcycle dealer.
1*2
Brake system - with
BMW Integral ABS
10k41bkg2.book Seite 78 Donnerstag, 24. Juli 2003 9:17 09
3
79
Starting – Riding – Parking
BMW Integral ABS - Troubleshooting
OEOptional extra
Warning light,
generaleABS warning
light
l Malfunctions
OFF ON Only RESIDUAL BRAKING FUNCTION available in both circuits (
b 75)
OFF Flashes at 1 HzABS not available
Pull-away test not completed (
b 76)
OFF Flashes at 4 HzOnly RESIDUAL BRAKING FUNCTION
available in both circuits (
b 75)
Self-diagnosis not completed (b 76)
ON OFF Rear light/brake light defective (
b Maintenance Instructions, Chapter 2)
Cruise-control systemOE not available.
ON Flashes at 1 HzAt least one brake circuit without
ABS (
b 78)
ON Flashes at 4 HzAt least one brake circuit in RESIDUAL
BRAKING FUNCTION mode (
b 75)
Alternate
flashing at
1 Hz Alternate
flashing at
1 HzFluid level in BMW Integral ABS too low.
Check the motorcycle as follows:
– Ignition OFF: is brake pressure OK at
the brake levers?
– Are the brakes acting on both wheels?
– Is the brake system leaktight, no signs of brake fluid escaping?
The brake system is defective if the test
outcome is negative.
Alternate
flashing at
4 Hz Alternate
flashing at
4 HzFluid level in the BMW Integral ABS is too
low, perform the checks listed above.
Only RESIDUAL BRAKING FUNCTION
available in at least one circuit (
b 75)
d Warning:
Do not ride the motorcycle if you have
any doubts about the dependability of
the brake system.
10k41bkg2.book Seite 79 Donnerstag, 24. Juli 2003 9:17 09
