1999 YAMAHA YZF-R7 display

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–+ELECELECTRICAL CONTROL SYSTEM
12 Main relay CO, diagnosis switch box method
Within one second after the
MODE switch is released, the
main relay is switched on once
every second for the next five
seconds. During this time, the
warning light lights up as long as
the relay is switched on.
Test coupler adapter method
Within one second after the
engine stop switch is turned to
“ ”, the main relay is switched
off, then on again. The warning
light lights up while the relay is
switched off.
13 Ignition coil for
cylinder #1CO, diagnosis switch box method
Within one second after the
MODE switch is released, the
ignition coil for the selected cylin-
der is operated once every sec-
ond for the next five seconds.
During this time, the warning
light lights up for 0.5 second
once every second.
Test coupler adapter method
Within one second after the
engine stop switch is turned to
“ ”, the ignition coil for the
selected cylinder is operated
once every second for the next
five seconds. During this time,
the warning light lights up for 0.5
second once every second. 14 Ignition coil for
cylinder #2
15 Ignition coil for
cylinder #3
16 Ignition coil for
cylinder #4 Diagnosis
codeInspected item System responseTachometer display
(0 ~ 10,000 r/min)

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–+ELECELECTRICAL CONTROL SYSTEM
17 Injector 1 for cyl-
inder #1CO, diagnosis switch box method
Before selecting a code, discon-
nect the fuel pump coupler from
the wire harness.
Within one second after the
MODE switch is released, the
main relay is turned on, and the
selected injector is operated once
every second for the next five
seconds. During this time, the
warning light lights up for 0.5
second once every second.
Test coupler adapter method
Within one second after the
engine stop switch is turned to
“ ”, the selected injector is
operated for once every second
for the next five seconds. During
this time, the warning light lights
up for 0.5 second once every sec-
ond. 18 Injector 1 for cyl-
inder #2
19 Injector 1 for cyl-
inder #3
20 Injector 1 for cyl-
inder #4
21 Injector 2 for cyl-
inder #1
22 Injector 2 for cyl-
inder #2
23 Injector 2 for cyl-
inder #3
24 Injector 2 for cyl-
inder #4
25 ~ 28 — — —
29 Condition code
record of mal-
functionsThe condition code of any fixed mal-
function is recorded in the ROM and
displayed by the tachometer. Refer
to the condition code list in “USER
MODE” for details on the condition
codes.Condition codes 11
– 44
30 ROM (Clearing
the condition
code record)Selecting this diagnosis code clears
the condition code record of mal-
functions stored in the ROM.
If an error has occurred in a sensor
signal, it was recorded in the ROM
and the tachometer displays 10,000
r/min. If no error has occurred, the
tachometer displays 0 r/min.
CO, diagnosis switch box method
Press the UP switch eight times
within four seconds to clear the con-
dition code record from the ROM.
Test coupler adapter method
Remove the rear cowling.
Disconnect the relay unit coupler
from the relay unit.
Press the start switch ten times
within four seconds to clear the con-
dition code record from the ROM.0 r/min (no error) or
10,000 r/min (errors)
When the error
record is cleared, 0
r/min is displayed.
31 ROM program
versionThe version number of the ROM pro-
gram is displayed in the tachometer. Diagnosis
codeInspected item System responseTachometer display
(0 ~ 10,000 r/min)

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• Within 4 seconds, press the following
switches on the CO, diagnosis switch box
in the order indicated to enter the CO
emission adjustment mode.
6MODE switch = 1
7UP switch = 2
8DOWN switch = 3
1 ® 2 ® 3 ® 1 ® 2 ® 3 ® 1 ® 2 ® 3 ® 1 ®
2 ® 3
The warning light flashes for 1.4 seconds
when the unit has entered the CO emission
adjustment mode. During this time, the
tachometer displays the engine idling
speed.
NOTE:
Turn the main switch to “OFF” to cancel the
CO emission adjustment mode.
• According to the following table, select
the cylinder to be adjusted by holding
down the MODE switch while pressing
either the UP switch or the DOWN switch.
• Release the MODE switch to start the CO
emission adjustment for the selected cyl-
inder. The warning light flashes once
every 0.5 second and the tachometer dis-
plays the engine speed.
• While watching the CO tester, press the
UP switch or DOWN switch to adjust the
CO emission.
NOTE:
• If the UP switch is pressed when the CO
emission has reached its maximum or if
the DOWN switch is pressed when the CO
emission has reached its minimum, the
warning light flashes once every 0.16 sec-
ond. Tachometer display Selected cylinder
1,000 r/min Cylinder #1
2,000 r/min Cylinder #2
3,000 r/min Cylinder #3
4,000 r/min Cylinder #4
Press the UP switch Increase CO emis-
sion
Press the DOWN
switchDecrease CO emis-
sion