Yamaha XVZ13TF 1999, Service Manual

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EAS00749
3. Main switch
S
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
S
Is the main switch OK?
YES
NO
Replace the main
switch.
EAS00750
4. Engine stop switch
S
Check the engine stop switch for continuity.
Refer to “CHECKING THE SWITCHES”.
S
Is the engine stop switch OK?
YES NO
Replace the right
handlebar switch.
EAS00759
5. Starting circuit cut-off relay
S
Disconnect the starting circuit cut-off relay
coupler from the wire harness.
S
Connect the pocket tester (
Ω
1) and bat-
tery (12 V) to the starting circuit cut-off relay
coupler as shown.
YES NO
S
Does the starting circuit cut-off relay have con-
tinuity between red/black and blue/black?
Battery positive terminal red / black
Battery negative terminal blue / red
Tester positive probe red / black
Tester negative probe blue / black
1
2
3
4
Replace the starting
circuit cut-off relay.
FUEL PUMP SYSTEM
ELEC
If the fuel pump fails to operate:
NOTE:
EAS00738
1. Main, and ignition fuses
S
Check the main and ignition fuses for conti-
nuity.
Refer to “CHECKING THE FUSES” in
CHAPTER 3.
Open-circuit voltage
12.8 V or more at 20
_
C
S
Is the battery OK?
S
Are the main and ignition fuses OK?
EAS00739
2. Battery
S
Check the condition of the battery.
Refer to “CHECKING THE BATTERY” in
CHAPTER 3.
YES NO
Replace the fuse (-s).
YES NO
S
Clean the battery
terminals.
S
Recharge or re-
place the battery.
EAS00816
TROUBLESHOOTING
Check:
1. Main and ignition fuses
2. Battery
3. Main switch
4. Engine stop switch
5. Starting circuit cut-off relay
(the fuel pump relay)
6. Fuel pump
7. Wiring connections
(the entire fuel system)
S
Before troubleshooting, remove the following
part(-s):
1) Rider seat
2) Side cover (left)
3) Fuel tank
Troubleshoot with the following special tool(-s).
Pocket tester
YU-03112, 90890-03112