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FUEL SYSTEM (DFI) 3-57
Speed Sensor (Service Code 24, 25)
Speed Sensor Removal/Installation
•
See the Switches and Sensors section in the Electrical
System chapter.
Speed Sensor Inspection
•
See the Switches and Sensors section in the Electrical
System chapter.
Input Voltage Inspection
NOTE
○
B
e sure the battery is fully charged.
•
Turn the ignition switch OFF.
•
Disconnect the speed sensor connector [A] under the left
side of the air cleaner housing and connect the harness
adapter [B] between the harness connector and speed
sensor connector.
Engine Sprocket Cover [C]
•
Connect a digital meter to the harness adapter leads.
Special Tool - Throttle Sensor Setting Adapter:
57001-1400
•
Measure the sensor input voltage with the engine
stopped, and with the connector joined.
•
Turn the ignition switch ON.
Speed Sensor Input Voltage
Connection to Adapter
Meter (+) → BL (sensor P) lead [C]
Meter (−) → BK/BL (sensor BK) lead [D]
Standard: About 9 ∼ 11 V DC a t Ignition switch ON
If the reading is out of the range, check the wiring (see
wiring diagram in this section), and meter (see Electrical
System chapter).
If the reading is good, check the output voltage.
•
Turn the ignition switch OFF.
Output Voltage Inspection
•
Before this inspection, inspect the input voltage (see Input
Voltage Inspection).
NOTE
○
Be sure the battery is fully charged.
•
Turn the ignition switch OFF.