Service manual

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FUEL INJECTION SYSTEM

FI

ifl

OPOWER OWARNING

Fl Diagnostic Tool

©YAMAHA

D03:

101

JP MODE DOWN

o

o o

Setting

the

diagnostic mode

1.

Turn

the

main switch

to

“OFF”

and the en-

gine stop switch

to

“RUN”..

2.

Disconnect

the

self diag signal connector

1,

and

then connect

the Fl

diagnostic-tool

2

as

shown.

3. While press

the

“MODE” button, turn

the

main switch

to

“ON”.

NOTE:

8 ”DIAG” appears

on the

LCD

of the Fl

diag-

nostic

tool.

8 ”POWER”

LED

(Green) comes

on.

4.

Press

the

“UP” button

to

select

the CO ad-

justment mode “CO”

or

the diagnostic mode

“DIAG”.

5. After selecting “DIAG”, press

the

“MODE”

button.

6. Select the diagnostic code number that

ap-

plies

to the

item that

was

verified with

the

fault code number by pressing the “UP”

and

“DOWN” buttons.

NOTE:

8 The diagnostic code number appears on the

LCD (D01-D70).

8

To

decrease

the

selected diagnostic code

number, press

the

“DOWN” button. Press

the “DOWN” button

for 1

second

or

longer

to automatically decrease

the

diagnostic

code numbers.

8

To

increase

the

selected diagnostic code

number, press

the

“UP” button. Press

the

“UP” button

for 1

second

or

longer

to

auto-

matically increase the diagnostic code num-

bers.

7. Verify

the

operation

of the

sensor

or

actua-

tor.

8Sensor operation

The data representing the operating

con-

ditions

of

the sensor appears on the LCD.

8Actuator operation

Press

the

“MODE” button to.operate

the

actuator.

8. Turn the main switch to “OFF” to cancel

the

diagnostic mode.

9. Disconnect

the Fl

diagnostic tool

and

con-

nect

the

self diag signal connector.

7-9