Kawasaki Ninja Service Manual: Front Wheel Rotation Sensor Signal Abnormal (Service Code b 42)

Kawasaki Ninja Service Manual / Self-Diagnosis System / KIBS Service Codes (KIBS Equipped Models) / Front Wheel Rotation Sensor Signal Abnormal (Service Code b 42)

Measure the air gap between the front wheel rotation sensor and sensor rotor.

Thickness Gauge [A]

Air Gap Standard: 0.4 1.6 mm (0.02
0.06 in.)

Front Wheel Rotation Sensor Signal Abnormal (Service Code b 42)

If the measurement is not the standard, check each part for deformation and looseness and correct accordingly.

If the measurement is the standard, go to next step.

Check that there is iron or other magnetic deposits between the sensor and sensor rotor, and the sensor rotor slots for obstructions.
Check the installation condition of the sensor for looseness.
Check the sensor and sensor rotor tip for deformation or damage (e.g., chipped sensor rotor teeth).

If the sensor and sensor rotor in bad condition, remove the any deposits. Install the proper part or replace faulty part.

If the all items are good, go to next step.

Perform the Pre-Diagnosis Inspection 1 and 2 (see Inquiries to Rider in the Brakes chapter).

If this service code appears even if all checks are ended, replace the KIBS hydraulic unit.

If the service code does not appear, the KIBS system normal (temporary failure).

KIBS Motor Relay Inspection (Service Code b 35)

Check the KIBS motor relay fuse (25 A) [A] (see Fuse Inspection in the Electrical System chapter) If the fuse is good, check the wiring continuity as follows. Disconnect: Battery Positive Ca ...

Front Wheel Rotation Sensor Wiring Inspection (Service Code b 43)

Disconnect the front wheel rotation sensor lead connector [A] (see Front Wheel Rotation Sensor Removal in the Brakes chapter). Disconnect the KIBS hydraulic unit lead connector (see ...

Other materials:

Valve Seat Inspection
Remove the valve (see Valve Removal). Check the valve seating surface [A] between the valve [B] and valve seat [C]. Measure the outside diameter [D] of the seating pattern on the valve seat. If the outside diameter is too large or too small, repair the seat (see Valve Seat Repair). Val ...

Check 3-1: CAN Communication Line Resistance Inspection
Set the hand tester [A] to the ×1 Ω range and connect it to the terminal [11] and [12] in the meter unit. Special Tool - Hand Tester: 57001-1394 CAN Communication Line Resistance (at Meter Unit) Standard: 122 126 Ω If the tester reading is not specified, replace the meter ...

How Do I Get Warranty Service?
If there is a problem with your vehicle within the limited warranty period, you will need to schedule a service appointment and provide any maintenance records to an authorized Kawasaki dealer for inspection and diagnosis. You can go to any Kawasaki dealer for warranty repairs. Your Kawasaki de ...