Kawasaki J300 - Service manual > Crankshaft Sensor (Service Code 66)

Fuel System (DFI) / Crankshaft Sensor (Service Code 66)

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

Crankshaft Sensor Removal/Installation

Crankshaft Sensor Resistance Inspection

Crankshaft Sensor Peak Voltage Inspection

Crankshaft Sensor (Service Code 66)

Wiring Continuity Inspection
 ECU Connector [A] ←→
  Crankshaft Sensor Connector [B]
   BL/Y lead (ECU terminal 23) [C]
   G/W lead (ECU terminal 12) [D]

If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection).

If the ground and power supply are good, replace the ECU (see ECU Removal/Installation).

Crankshaft Sensor Circuit

Crankshaft Sensor (Service Code 66)

  1. ECU
  2. Crankshaft Sensor

Yellow Engine Warning Indicator Light (LED)

Yellow Engine Warning Indicator Light (LED) Inspection

Yellow Engine Warning Indicator Light (LED)

Yellow Engine Warning Indicator Light (LED) Circuit

Yellow Engine Warning Indicator Light (LED)

  1. Yellow Engine Warning Indicator Light (LED)
  2. Ignition Switch
  3. Meter Unit
  4. ECU

See also:

 Kawasaki J300 - Service manual > Idle Speed Control Valve Actuator (Service Code 49)

Idle Speed Control Valve Actuator Removal NOTICE Never drop the idle speed control valve actuator especially on a hard surface. Such a shock to the actuator can damage it. Remove the storage box (see Storage Box Removal in the Frame chapter). Disconnect the idle speed control valve actuator connector [A]. Remove: Retainer Mounting Screws [B] Idle Speed Control Valve Actuator [C] with Retainer

 Kawasaki J300 - Service manual > ECU

ECU Removal NOTICE Never drop the ECU especially on a hard surface. Such a shock to the ECU can damage it. Remove: Front Fairing (see Front Fairing Removal in the Frame chapter) Nuts [A] Bracket [B] ECU [C] Disconnect the ECU connector [D].