Troubleshooting - Yamaha TMAX 2020 Service Manual

EAS31008

TROUBLESHOOTING

TIP
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
2. Rear side cowling assembly
3. Leg shield
4. Footboards
The grip warmers do not become warm at all.
1. Check that the MIL is on and that
"Err" is displayed in the multi-func-
tion meter display.
OK
2. Check that the grip warmers are
not turned off.
OK
3. Check the fuses.
(Main, ignition, and backup)
Refer to "CHECKING THE FUS-
ES" on page 8-93.
OK
4. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-94.
OK
5. Check the ignition system relay.
Refer to "CHECKING THE RE-
LAYS" on page 8-94.
OK
6. Check that the engine is started.
OK
7. Check the grip warmers.
Refer to "CHECKING THE GRIP
WARMERS (for XP560D)" on
page 8-109.
OK
8. Check the entire grip warmer sys-
tem wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-55.
GRIP WARMER SYSTEM (for XP560D)
Perform the troubleshooting for DTC No.
NG U0155. Refer to "U0155 or Err" on page 9-
166.
Adjust the temperature levels of the grip
NG
warmer settings.
NG Replace the fuse(s).
• Clean the battery terminals.
NG
• Recharge or replace the battery.
NG Replace the ignition system relay.
NG Start the engine.
NG Replace the grip warmer(s).
Properly connect or replace the wiring har-
NG
ness.
8-57