Yamaha FJR13AY 2009 Service Manual page 656

ET3P66019
TROUBLESHOOTING
• The grip warmers do not become warm at all.
• The grip warmers are abnormally hot while the engine is idling.
• The grip warmers do not become very warm while the vehicle is traveling.
TIP
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
The grip warmers do not become warm at all.
1. Check the fuses.
(Main, signaling system, and head-
light)
Refer to "CHECKING THE FUS-
ES" on page 8-227.
OK ↓
2. Check that the engine is started.
OK ↓
3. Check that the headlight is on.
OK ↓
4. Check the grip warmers.
Refer to "CHECKING THE GRIP
WARMERS (FJR13AE only)" on
page 8-243.
OK ↓
5. Check the entire grip warmer sys-
tem wiring.
Refer to "CIRCUIT DIAGRAM (1/2)"
on page 8-169 and "CIRCUIT DIA-
GRAM (2/2)" on page 8-171.
OK ↓
Replace the grip warmer control unit.
The grip warmers are abnormally hot while the engine is idling.
1. Check that the grip warmer adjust-
ing knob is set to the "LO" position.
OK ↓
GRIP WARMER SYSTEM (FJR13AE only)
NG →
Replace the fuse(s).
NG →
Start the engine.
NG →
Replace the headlight (on/off)/grip warmer
relay.
NG →
Replace the grip warmer(s).
NG →
Properly connect or repair the grip warmer
system wiring.
NG →
Adjust the grip warmer temperature using
the grip warmer adjusting knob.
8-173