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 ...

Other materials:

Gear Position Switch Inspection
NOTE Be sure the transmission and external shift mechanism are good condition. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the connector [A]. Set the hand tester [A] to the × 1 kΩ or × 100 Ω range and connect i ...

Camshaft Chain Tensioner Removal
NOTICE This is a non-return type camshaft chain tensioner. The push rod does not return to its original position once it moves out to take up camshaft chain slack. Observe all the rules listed below. When removing the tensioner, do not take out the mounting bolts only halfway. Retighteni ...

Rear Brake Pad Installation
Check that the pad spring is in place on the caliper. Push the caliper piston in as far as it will go. Install the piston side pad [A] first, and then another pad. Fit the brake pad end into the recess [B] of the caliper holder. Install the pad pin and the plug. Tighten: Torque - ...