Yamaha FJR13AG Service Manual page 702

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.
1. Check that the engine trouble warn-
ing light is on and that "Err" is dis-
played in the multi-function meter
center display.
OK ↓
2. Check that the grip warmers are not
turned off.
OK ↓
3. Check the fuses. (Main, ignition,
and fuel injection system)
Refer to "CHECKING THE FUS-
ES" on page 8-250.
OK ↓
4. Check that the engine is started.
OK ↓
5. Check the grip warmers.
Refer to "CHECKING THE GRIP
WARMERS" on page 8-266.
OK ↓
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.
OK ↓
7. Execute the diagnostic mode (code
No. 57) to turn on the grip warmers,
and then check that they become
warm.
OK ↓
Replace the meter assembly.
GRIP WARMER SYSTEM
NG →
Perform the troubleshooting for fault code
No. U0155. Refer to "TROUBLESHOOT-
ING DETAILS (ECU) (FAULT CODE)" on
page 8-62.
NG →
Adjust the temperature levels of the grip
warmer settings.
NG →
Replace the fuse(s).
NG →
Start the engine.
NG →
Replace the grip warmer(s).
NG →
Properly connect or replace the wiring har-
ness.
NG →
Replace the ECU. Refer to "REPLACING
THE ECU (engine control unit)" on page
8-250.
8-225