Yamaha Z150P Supplementary Service Manual page 16

GEN
INFO
N
SPECIAL TOOLS
1030
N Yamaha Diagnostic System
P/N. 68F-85300-00
Check the engine condition by using a
personal computer when it is con-
nected to the Electronic Control Unit
(ECU).
Diagnosis:
Indicates the name of a failed part.
Diagnosis Record:
Displays the name of the part whose diag-
nosis is detected, along with the engine
running total hours.
Engine Monitor:
Indicates information on the sensors and
switches by converting it to each value
while the engine is running.
Stationary Test:
Checks operation sound and ignition sparks
by activating the electric fuel pump, electric
oil pump, injector and spark plug while the
engine is stopped.
Active Test:
Checks the engine for operation through
any change in its speed by stopping the
operation of the spark plug on each cylinder
while the engine is in the neutral position.
Data Logger:
Indicates in numeric values the engine
speed, throttle opening voltage, oxygen
density sensor voltage, water temperature
sensor voltage and fuel pressure sensor
voltage that occurred within 13 minutes.
ECM No.:
Displays the ECM identification number.
NOTE:
To use any of these functions a personal
computer, connection cables, adapter and
communication software are required.
The personal computer should be compati-
ble with Windows
CD-ROM and the RS232C terminal.
– 4 –
®
95/98, equipped with a
E