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:

Clock
To adjust hours and minutes, do the followings while the motorcycle is at a stop. Turn the ignition switch to “ON”. Display the odometer in the multifunction display. Refer to the “Multifunction Display” item in this section. Push the lower button for more than 2 seconds. Bot ...

Upper Fairing Assembly Removal
Remove: Lower Fairings (see Lower Fairing Removal) Center Inner Fairing (see Center Inner Fairing Removal) Upper Inner Fairings (see Upper Inner Fairing Removal) Windshield (see Windshield Removal) Disconnect the front turn signal light lead connector [A] (both sides). Remove the bo ...

Fuel Tank Cap
To open the fuel tank cap, pull up the key hole cover. Insert the ignition key into the fuel tank cap and turn the key to the right. To close the cap, push it down into place with the key inserted. The key can be removed by turning it to the left to the original position. Close the key hol ...