Suzuki GSF650A Service Manual page 521

DTC
43 (C1643) Wheel speed sensor circuit short (F) *
44 (C1644) Wheel speed sensor signal malfunction (R) *
45 (C1645) Wheel speed sensor circuit open (R) *
46 (C1646) Wheel speed sensor circuit short (R) *
47 (C1647) Supply voltage (Increased)
48 (C1648) Supply voltage (Decreased)
55 (C1655) ABS control unit malfunction
61 (C1661) ABS solenoid malfunction
* 1 : It goes off after running at more than 10 km/h (6.2 mile/h).
* : The wheel speed sensor lead wire is connected to the ABS control unit, but a short-circuit or faulty continuity inside
2
the ABS control unit caused this DTC to appear, therefore, the ABS control unit/HU assembly must be replaced. An
insufficient wheel speed sensor output voltage is the cause of a malfunction in which the ABS is activated even if the
brakes are not suddenly applied. If this occurs frequently even though the wheel speed sensor is operating correctly,
the ABS control unit/HU assembly should be replaced.
CAUTION
!
When disconnecting couplers and turning the ignition switch ON, disconnect the ABS control unit
coupler in order to prevent a DTC from being stored. Each time a resistance is measured, the ignition
switch should be set to OFF.
Malfunction cause
2
2
2
Indicator
status
Refer to "DTC "43" (C1643): Wheel
ON Speed Sensor Circuit Short (F)
(Page 4E-52)".
Refer to "DTC "44" (C1644): Wheel
2 ON Speed Sensor Signal Malfunction
(R) (Page 4E-54)".
Refer to "DTC "45" (C1645): Wheel
ON Speed Sensor Circuit Open (R)
(Page 4E-56)".
Refer to "DTC "46" (C1646): Wheel
ON Speed Sensor Circuit Short (R)
(Page 4E-60)".
Refer to "DTC "47" (C1647): Supply
ON
Voltage (Increased) (Page 4E-62)".
Refer to "DTC "48" (C1648): Supply
ON Voltage (Decreased) (Page 4E-
64)".
Refer to "DTC "55" (C1655): ABS
ON Control Unit Malfunction (Page 4E-
66)".
Refer to "DTC "61" (C1661): ABS
ON Solenoid Malfunction (Page 4E-
68)".
ABS: 4E-34
Reference