ECU Communication Line Inspection
When the data is not sent from the ECU to the meter unit for more than about 10 seconds, the service code 39 is displayed.
The data is sent through the CAN communication line.
The service code 39 is detected with the meter unit.
When the user mode, this communication error blinks the following items besides the FI warning symbol [A].
Power Mode and S-KTRC Symbols [B] Yellow Color LED [C]
If the CAN communication line resistance is normal, check the wiring according following procedure.
Disconnect the ECU and meter unit connectors.
Special Tool - Hand Tester: 57001-1394
Wiring Inspection ECU Connector [A] ←→ Meter Unit Connector [B] GY/BL lead (ECU terminal 27) [C] LB lead (ECU terminal 28) [D]
ECU Communication Line Circuit
1. ECU
2. Joint Connector D
3. Joint Connector C
4. Meter Unit
5. Warning Indicator Light (LED, Yellow)
6. Warning Indicator Light (LED, Red)
Blank Key Detection (Service Code 36, Equipped Models)Valve Guide Removal
Remove:
Valve (see Valve Removal)
Oil Seal
Spring Seat
Heat the area around the valve guide to 120
150°C (248
302°F), and hammer lightly on
the valve guide arbor [A]
to remove the guide from the top of the head.
NOTICE
Do not heat the cylinder head with a torch. This ...
System Components
1. FI ECU
The FI ECU analyzes the motorcycle conditions based
on the signals from the front/rear wheel rotation sensors
and FI sensors (such as the crankshaft sensor and main
throttle sensor), and controls engine power by reducing the
number of ignition and retarding the ignition timing. The
m ...
Information for Coolant
To protect the cooling system (consisting
of the aluminum engine and
radiator) from rust and corrosion, the
use of corrosion and rust inhibitor
chemicals in the coolant is essential. If
coolant containing corrosion and rust
inhibitor chemicals are not used, over
a period of time, the cooling ...
