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)

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.

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.

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:

Relay Box Removal
Remove the left fuel tank cover (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the connectors [A]. Pull out the relay box [B] from the rubber protector [C]. NOTE The relay box has relays and diodes. The relays and diodes can not be removed. Relay Box Installa ...

Charging Voltage Inspection
Check the battery condition (see Charging Condition Inspection). Warm up the engine to obtain actual alternator operating conditions. Remove the front seat (see Front Seat Removal in the Frame chapter). Check that the ignition switch is turned off, and connect the hand tester [A] to t ...

Fuel Hose Inspection (fuel leak, damage, installation condition)
If the motorcycle is not properly handled, the high pressure inside the fuel line can cause fuel to leak [A] or the hose to burst. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) and check the fuel hoses. Replace the fuel hose if any fraying, cracks [B] or ...