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 ...

Other materials:

Fuel Injector Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the ECU (see ECU Removal). Do not disconnect the ECU connector Connect a digital meter [A] to the connector (gray) [B] with the needle adapter set. Special Tool - Needle Adapter Set: 57001-1457 ...

Cylinder Compression Measurement
NOTE Use the battery which is fully charged. Warm up the engine thoroughly. Stop the engine. Remove the spark plugs (see Spark Plug Replacement in the Periodic Maintenance chapter). Attach the compression gauge [A] and adapter [B] firmly into the spark plug hole. Using the startermo ...

Swingarm Bearing, Sleeve Inspection
NOTICE Do not remove the bearings for inspection. Removal may damage them. Inspect the needle bearings [A] and ball bearing installed in the swingarm. The rollers and ball in a bearing normally wear very little, and wear is difficult to measure. Instead of measuring, visually inspec ...