Oxygen Sensor-Incorrect Output Voltage (Service Code 94) - Europe Model
Oxygen Sensor Removal/Installation
Refer to Oxygen Sensor Removal/Installation in the Elec-
trical System chapter.
Oxygen Sensor Inspection
Warm up the engine thoroughly until the radiator fan
Turn the ignition switch OFF.
Left Center Fairing (see Center Fairing Removal in the
Sprocket Cover (see Engine Sprocket Removal in the
Final Drive chapter)
Connect a digital voltmeter [A] to the oxygen sensor con-
nector [B] (main harness side), using the needle adapter
Special Tool - Needle Adapter Set: 57001-1457
Oxygen Sensor Output Voltage
Connections to Oxygen Sensor Connector
Meter (+) → BL/Y lead
Meter (−) → BR/BK lead
Remove the air switching valve hoses from the fitting.
Install the suitable plugs [A] on the fitting [B] and shut off
the secondary air.
Turn the ignition switch ON.
Start the engine, and let it idle.
Measure the output voltage of the sensor with the con-
Oxygen Sensor Output Voltage (with Plugs)
0.7 V or more
Next, remove the plugs from the fitting [A] with idling.
FUEL SYSTEM (DFI) 3-73