Yamaha FZ6-ST Supplementary Service Manual - page 377

7-7

FUEL INJECTION SYSTEM

FI

NOTE:

NOTE:

EAS00905

DIAGNOSTIC MODE

It is possible to monitor the sensor output data

or check the activation of actuators without con-

necting the measurement equipment by simply

switching the meter indication from the normal

mode to the diagnostic monitoring mode.

Setting the diagnostic mode

1. Turn the main switch to “OFF” and set the en-

gine stop switch to “OFF”.

2. Disconnect the wire harness coupler from

the fuel pump.

3. Simultaneously press and hold the “SE-

LECT” and “RESET” buttons, turn the main

switch to “ON”, and continue to press the but-

tons for 8 seconds or more.

SAll displays on the meter disappear except the

clock and tripmeter displays.

S“dIAG” appears on the LCD meter.

4. Press the “SELECT” button to select the CO

adjustment mode “Co” or the diagnostic

mode “dIAG”.

5. After selecting “dIAG”, simultaneously press

the “SELECT” and “RESET” buttons for 2 se-

conds or more to execute the selection.

6. Select the diagnostic code number that ap-

plies to the item that was verified with the

fault code number by pressing the “SELECT”

and “RESET” buttons.

SThe diagnostic code number appears on the

LCD meter (01-70).

STo decrease the selected diagnostic code

number, press the “RESET” button. Press the

“RESET” button for 1 second or longer to auto-

matically decrease the diagnostic code num-

bers.

STo increase the selected diagnostic code num-

ber, press the “SELECT” button. Press the

“SELECT” button for 1 second or longer to au-

tomatically increase the diagnostic code num-

bers.