Suzuki 2005 DL650K5, Service Manual

Page: 613 / 701

DTC “44” (C1644): WHEEL SPEED SENSOR SIGNAL MALFUNCTION (R)
Step 1
1) Inspect the clearance between the rear wheel speed sensor
and sensor rotor using the thickness gauge.
$
Wheel speed sensor – sensor rotor clearance:
0.3 – 1.5 mm (0.012 – 0.059 in)
#
09900-20803: Thickness gauge
09900-20806: Thickness gauge
Is the clearance OK?
Step 2
1) Inspect the rear wheel speed sensor rotor for damage and
check that no foreign objects are caught in the rotor open-
ings.
Is the sensor rotor OK?
Step 3
1) Check that the rear wheel speed sensor is mounted steadily.
Is the sensor mounted steadily?
POSSIBLE CAUSE
Too great air gap, worn or missing teeth, noise, interference
between lines, loose contact in wheel speed sensor connector,
wheel speed sensor not securely fastened, input amplifier in
ABS control unit failure, etc.
YES Go to step 2.
NO Adjust the clearance.
YES Go to step 3.
NO Clean or replace the sensor rotor.
YES Go to DTC “45” (C1645). (
!
Page 110)
NO
Tighten the mounting bolts or replace the bracket
if necessary.
DL650K7/AK7 (’07-MODEL) 13-109
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