NOTE
Be sure the battery is fully charged.


Main Harness [B] To Gear Position Switch [C] To Sidestand Switch [D]
Special Tool - Measuring Adapter: 57001-1700
Gear Position Switch Output Voltage Connections to Adapter: Digital Meter (+) → R (sensor G/R) lead Digital Meter (–) → Frame Ground terminal

When changing the gear position from lower gear to higher gear, raise the rear wheel off the ground with a suitable stand and rotate the rear wheel by hand.
Output Voltage at 1
6 Gear
Positions
Standard:
1st About DC 3.0 V
2nd About DC 2.5 V
3rd About DC 2.0 V
4th About DC 1.5 V
5th About DC 1.1 V
6th About DC 0.7 V
Turn the ignition switch to OFF
If the reading is out of the standard, check the wiring for continuity, using the wiring diagram in this section.
Special Tool - Hand Tester: 57001-1394
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).
Gear Position Switch Circuit

1. ECU
2. Gear Position Switch
3. Meter Unit
4. Relay Box
5. Frame Ground 1
Gear Position Switch Removal/Installation
Front Wheel Rotation Sensor Signal (Service Code 27)Stem, Stem Bearing Installation
Replace the bearing outer races with new ones.
Drive them into the head pipe at the same time.
Special Tools - Head Pipe Outer Race Press Shaft [A]:
57001-1075
Head Pipe Outer Race Driver,
55 [B]: 57001
-1446 or Bearing Driver Set: 57001-1129
Apply grease to the outer races.
...
Water Temperature Sensor Resistance Inspection
Refer to the Water Temperature Sensor Inspection in the
Electrical System chapter.
If the reading is within the standard, but the problem still
exists, replace the ECU (see ECU Removal/Installation in
the Fuel System (DFI) chapter).
Water Temperature Sensor Circuit
1. ECU
2. Water T ...
Before Servicing
Before starting to perform an inspection service or carry out a disassembly
and reassembly operation
on a motorcycle, read the precautions given below. To facilitate actual
operations, notes, illustrations,
photographs, cautions, and detailed descriptions have been included in each
chapter w ...