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ELEC
ELECTRICAL CONTROL SYSTEM
• Within 4 seconds, press the following
switches on the CO, diagnosis switch box
in the order indicated to enter the CO
emission adjustment mode.
6 MODE switch = 1
7 UP switch = 2
8 DOWN 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
switch
Decrease CO emis-
sion
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