Checking The Fuses; Replacing The Ecu (Engine Control Unit) - Yamaha FZ09E Service Manual

1. Check:
• Bulb socket (for continuity)
(with the pocket tester)
No continuity
4
Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP ~~~~~~~~~~~~~~~
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
a. Install a good bulb into the bulb socket.
b. Connect the pocket tester probes to the re-
spective leads of the bulb socket.
c. Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.
··-
CHECKING THE FUSES
The following procedure applies to all of the fus-
es.
NOTICE
~~~~~~~~~~~~~
To avoid a short circuit, always set the main
switch to " OFF" when checking or replacing
a
fuse.
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
2. Check:
• Fuse
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
a. Connect the pocket tester to the fuse and
check the continuity.
TIP ~~~~~~~~~~~~~~~
Set the pocket tester selector to
"n
x 1 ".
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
b. If the pocket tester indicates
"oo",
replace the
fuse.
ELECTRICAL COMPONENTS
3. Replace:
• Blown fuse
YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
a. Set the main switch to "OFF".
b. Install a new fuse of the correct amperage
rating.
c. Set on the switches to verify if the electrical
circuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
Fuses
Amperage
Q'ty
rating
Main 50A 1
Headlight 15 A 1
Signal 7.5 A 1
Ignition 15 A 1
Radiator fan 15 A 1
Parking lighting 10 A 1
Fuel injection system 10 A 1
Auxiliary DC outlet 2A 1
Backup 7.5 A 1
Electric throttle valve 7.5 A 1
Spare fuse 15 A 1
Spare fuse 10 A 1
Spare fuse 7.5 A 1
Spare fuse 2A 1
EWA13310
£ WARNING
Never use a fuse with an amperage rating
other than that specified. Improvising or us-
ing a fuse with the wrong amperage rating
may cause extensive damage to the electri-
cal system, cause the lighting and ignit ion
systems to malfunction and could possibly
cause a f ire.
••••••••••••••••••••••••••••••••
4. Install:
•Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
EAS1 AC1111~
REPLACING THE ECU (engine control unit)
1. Turn the main switch to "OFF".
2. Replace the ECU (engine control unit).
3. Clean the throttle bodies and reset the ISC
8-93