Yamaha 2002 XJR1300 Manual de servicio - Página 40
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EAS00821
TROUBLESHOOTING
The carburetor heating system fails to op-
erate.
Check:
1. Main and ignition fuses
2. Battery
3. Main switch
4. Neutral switch
5. Carburetor heater relay
6. Thermo switch
7. Carburetor heater
8. Wiring connections
(of the entire carburetor heating system)
NOTE:
Before troubleshooting, remove the following
part(-s):
1) Rider and passenger seats
Troubleshoot with the following special tool(-s).
Pocket tester
90890-03112
EAS00738
1. Main, and ignition fuses
S Check the main and ignition fuses for conti-
nuity.
Refer to "CHECKING THE FUSES" in chap-
ter 3. (Manual No.: 5EA3-AE1)
S Are the main and ignition fuses OK?
YES
EAS00739
2. Battery
S Check the condition of the battery.
Refer to "CHECKING THE BATTERY" in
chapter 3. (Manual No.: 5EA3-AE1)
Open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
YES
CARBURETOR HEATING SYSTEM
NO
Replace the fuse(-s).
NO
S Clean the battery
terminals.
S Recharge
or
re-
place the battery.
EAS00749
3. Main switch
S Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES" in
chapter 8. (Manual No.: 5EA3-AE1)
S Is the main switch OK?
YES
EAS00751
4. Neutral switch
S Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES" in
chapter 8. (Manual No.: 5EA3-AE1)
S Is the neutral switch OK?
YES
EAS00822
5. Carburetor heater relay
S Disconnect the carburetor heater relay cou-
pler from the wire harness.
S Connect the pocket tester (Ω
buretor heater relay coupler as shown.
Tester positive probe ! red/white
Tester negative probe ! black
S Check the carburetor heater relay for no
continuity.
S Is the carburetor heater relay OK?
YES
33
ELEC
NO
Replace the main
switch.
NO
Replace the neutral
switch.
1) to the car-
1
2
NO
Replace the carbure-
tor heater relay.