Kawasaki Ninja Service Manual: Exhaust Butterfly Valve Actuator Sensor Output Voltage Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Exhaust Butterfly Valve Actuator Sensor (Service Code 34) / Exhaust Butterfly Valve Actuator Sensor Output Voltage Inspection

NOTE

Before this inspection, confirm the pulley is original position (see Exhaust Butterfly Valve Actuator Installation).

Exhaust Butterfly Valve Actuator Sensor Output Voltage Inspection


Special Tool - Throttle Sensor Setting Adapter #1: 57001 -1400

Exhaust Butterfly Valve Actuator Sensor Output Voltage Connections to Adapter: Digital Meter (+) → BL (actuator Y) lead Digital Meter (−) → BK/BL (actuator BK) lead

Exhaust Butterfly Valve Actuator Sensor Output Voltage Inspection


Output Voltage Standard: DC 3.46 3.76 V at pulley
original position

If the reading is out of the standard, check the exhaust butterfly valve actuator sensor resistance (see Exhaust Butterfly Valve Actuator Sensor Resistance Inspection).

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

Disconnect the ECU and sensor connectors

Wiring Inspection ECU Connector [A] ←→ Exhaust Butterfly Valve Actuator Sensor Connector [B] GY lead (ECU terminal 24) [C] BR/BK lead (ECU terminal 13) [D]

Exhaust Butterfly Valve Actuator Sensor Output Voltage 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 Sensor Input Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the front seat (see Front Seat Removal in the Frame chapter). Remove the screws [A] and the exhaust butter ...

Exhaust Butterfly Valve Actuator Sensor Resistance Inspection
Turn the ignition switch to OFF. Disconnect the exhaust butterfly valve actuator sensor connector (3 pins connector) [A] (see Exhaust Butterfly Valve Actuator Sensor Input Voltage Inspection) ...

Other materials:

Radiator and Cooling Fan
Check the radiator fins for obstruction by insects or mud. Clean off any obstructions with a stream of low-pressure water. WARNINGThe cooling fan spins at high speed and can cause serious injuries. Keep your hands and clothing away from the cooling fan blades at all times. ...

Valve Clearance Adjustment
To change the valve clearance, remove the camshafts (see Camshaft Removal in the Engine Top End chapter) and valve lifters. Replace the shim with one of a different thickness. NOTE Mark and record the locations of the valve lifters and shims so that they can be reinstalled in their ...

Brake Light Switches
When either the front or rear brake is applied, the brake light goes on. The front brake light switch requires no adjustment, but the rear brake light switch should be adjusted in accordance with the Periodic Maintenance Chart. Inspection Turn the ignition key to “ON”. The brake ligh ...