Kawasaki Ninja Service Manual: Exhaust Butterfly Valve Actuator Resistance Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Exhaust Butterfly Valve Actuator (Service Code 63) / Exhaust Butterfly Valve Actuator Resistance Inspection

Special Tool - Hand Tester: 57001-1394

Exhaust Butterfly Valve Actuator Resistance Connections: P lead ←→ GY lead Standard: 5 200 Ω (for reference)


If the reading is 0 or infinity (∞) Ω, replace the exhaust butterfly valve actuator.

If the reading is in specification, remove the ECU and check the wiring for continuity between main harness connectors.

Disconnect the ECU and actuator connectors.

Exhaust Butterfly Valve Actuator Resistance Inspection


Wiring Inspection ECU Connector [A] ←→ Exhaust Butterfly Valve Actuator Connector [B] W/R lead (ECU terminal 45) [C] W/BL lead (ECU terminal 46) [D]

Exhaust Butterfly Valve Actuator Resistance Inspection


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

If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).

Exhaust Butterfly Valve Actuator Circuit

Exhaust Butterfly Valve Actuator Circuit


1. ECU

2. Exhaust Butterfly Valve Actuator

Exhaust Butterfly Valve Actuator Inspection
NOTE Be sure the battery is fully charged Remove the front seat (see Front Seat Removal in the Frame chapter). Turn the ignition switch to ON. In the left side view of the motorcycle, check ...

Air Switching Valve (Service Code 64)
Air Switching Valve Removal/Installation Refer to the Air Switching Valve Removal/Installation in the Engine Top End chapter. Air Switching Valve Inspection Refer to the Air Switching Val ...

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KIBS Troubleshooting Outline
When an abnormality in the system occurs, the ABS indicator light (LED) and KIBS indicator light (LED) light up and the KIBS warning symbol are displayed on the LCD (Liquid Crystal Display) to alert the rider. In addition, the nature of the fault is stored in the memory of the KIBS hydraulic uni ...

Connecting Rod Bend Inspection
Remove the connecting rod big end bearing inserts, and reinstall the connecting rod big end cap. Select an arbor [A] of the same diameter as the connecting rod big end, and insert the arbor through the connecting rod big end. Select an arbor of the same diameter as the piston pin and ...

Balance Adjustment
If the wheel always stops in one position, provisionally attach a balance weight [A] on the rim at the marking using adhesive tape. Rotate the wheel 1/4 turn [B], and see whether or not the wheel stops in this position. If it does, the correct balance weight is being used. If the whe ...