Suzuki 2006 GSF1200AK6 Supplementary Service Manual page 55

54 GSF1200AK6/SAK6 ('06-MODEL)
DTC "41" (C1641): Wheel speed sensor signal malfunction (F)
POSSIBLE CAUSE
• Poor contact on the front wheel speed sensor coupler
• Faulty front wheel speed sensor, etc.
Step 1
1) Inspect the clearance between the front wheel speed sensor
and sensor rotor using the thickness gauge.
% Wheel speed sensor – sensor rotor clearance:
" 09900-20803: Thickness gauge
09900-20806: Thickness gauge
Is the clearance OK?
YES Go to step 2.
NO Adjust the clearance.
Step 2
1) Inspect the front wheel speed sensor rotor for damage and
check that no foreign objects are caught in the rotor open-
ings.
Is the sensor rotor OK?
YES Go to step 3.
NO Clean or replace the sensor rotor.
Step 3
1) Check that the front wheel speed sensor is mounted steadily.
Is the sensor mounted steadily?
YES Go to DTC "42". (!Page 55)
Tighten the mounting bolts or replace the bracket
NO
if necessary.
0.3 – 1.5 mm (0.012 – 0.059 in)