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

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:

ECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter). Visually inspect the ECU connectors. If the connector is clogged with mud or dust, blow it off with compressed air. Remove the ECU (see ECU Removal). Visually inspect the ...

Wheel Alignment Inspection
Check that the notch [A] on the alignment indicator [B] aligns with the same swingarm mark or position [C] that the other side alignment indicator notch aligns with. If they do not, adjust the chain slack and align the wheel alignment (see Drive Chain Slack Adjustment). NOTE Wheel align ...

Vehicle-down Sensor Input Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Disconnect the vehicle-down sensor connector and connect the measuring adapter [A] between these connectors as shown in the figure. Main Harness [B] Vehicle-down Sensor [C] Special Tool - Measuring Adapte ...