Kawasaki Ninja Service Manual: Crankshaft Sensor (Service Code 21)

Kawasaki Ninja Service Manual / Self-Diagnosis System / Crankshaft Sensor (Service Code 21)

The crankshaft sensor has no power source, and when the engine stops, the crankshaft sensor generates no signals.

Intake Air Pressure Sensor #2 Output Voltage Inspection
Measure the output voltage at the intake air pressure sensor #2 in the same way as input voltage inspection, note the following. Disconnect the intake air pressure sensor #2 connector and c ...

Crankshaft Sensor Removal/Installation
Refer to the Crankshaft Sensor Removal/Installation in the Electrical System chapter. Crankshaft Sensor Resistance Inspection Refer to the Crankshaft Sensor Inspection in the Electrical ...

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Front, Rear Wheel Rotation Difference Abnormal Inspection (Service Code b 25)
Check the following and correct the faulty part. Incorrect Tire Pressure Tires not recommended for the motorcycle were installed (incorrect tire size). Deformation of Wheel or Tire Missing Teeth or Clogging with Foreign Matter of Sensor Rotor (see Wheel Rotation Sensor Rotor Inspe ...

Blank Key Detection (Service Code 36, Equipped Models)
Ignition Key Inspection Register the ignition key correctly (see Key Registration in the Electrical System chapter). If the service code 36 appears again, the transponder in the key is malfunction, replace it. Immobilizer System Circuit 1. ECU 2. Ignition Switch 3. Immobilizer Ampl ...

Wheel Rotation Sensor Rotor Inspection
Remove: Wheels (see Front/Rear Wheel Removal in the Wheels/Tires chapter) Brake Disc Mounting Bolts [A] Sensor Rotor [B] Front Wheel [C] Rear Wheel [D] Visually inspect the wheel rotation sensor rotor. If the rotor is deformed or damaged (chipped teeth [A]), replace the ...