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
Self-Diagnosis Procedures
NOTE
Use a fully charged battery when conducting
self-diagnosis. Otherwise, the light (LED) and symbol
do not light or blink.
Turn the ignition switch to ON.
When a problem occurs with DFI system and ignition system,
the warning indicator light (LED) [A] goes on and
FI warning symbol ...
Air Suction System Damage Inspection
Separate the air switching valve hose [A] from the lower
air cleaner housing [B] (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter).
Connect the following parts temporarily.
Fuel Pump Lead Connector [A]
Extension Tube [B]
Air Cleaner Housing (see Air Cleaner Hou ...
Throttle Body Assy Assembly
Before assembling, blow away dirt or dust from the throttle
body and delivery pipe assy by applying compressed air.
Replace the O-rings [A] of the joint pipe [B] with new ones.
Apply engine oil to the new O-rings, and insert it to the
delivery pipes [C].
Insert the joint pipe so th ...