Yamaha FJR13AG, Service Manual

Page: 702 / 784

GRIP WARMER SYSTEM
8-225
EAS31008
TROUBLESHOOTING
TIP
• Before troubleshooting, remove the following part(s):
1. Upper inner panel
2. Lower center cover
3. Fuel tank
4. T–bar
The grip warmers do not become warm at all.
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
1. Check that the engine trouble warn-
ing light is on and that “Err” is dis-
played in the multi-function meter
center display.
Perform the troubleshooting for fault code
No. U0155. Refer to “TROUBLESHOOT-
ING DETAILS (ECU) (FAULT CODE)” on
page 8-62.
2. Check that the grip warmers are not
turned off.
Adjust the temperature levels of the grip
warmer settings.
3. Check the fuses. (Main, ignition,
and fuel injection system)
Refer to “CHECKING THE FUS-
ES” on page 8-250.
Replace the fuse(s).
4. Check that the engine is started. Start the engine.
5. Check the grip warmers.
Refer to “CHECKING THE GRIP
WARMERS” on page 8-266. Replace the grip warmer(s).
6. Check the entire grip warmer sys-
tem wiring.
Refer to “CIRCUIT DIAGRAM
(FJR13AG)” on page 8-221 or refer
to “CIRCUIT DIAGRAM
(FJR13ESG)” on page 8-223.
Properly connect or replace the wiring har-
ness.
7. Execute the diagnostic mode (code
No. 57) to turn on the grip warmers,
and then check that they become
warm.
Replace the ECU. Refer to “REPLACING
THE ECU (engine control unit)” on page
8-250.
Replace the meter assembly.