Yamaha TMAX 2020 Service Manual page 413

OK
9. 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.
The grip warmers are abnormally hot while the engine is idling.
1. Check that the temperature level of
the low grip warmer setting is set to
lowest temperature.
OK
Replace the ECU. Refer to "REPLAC-
ING THE ECU (Engine Control Unit)"
on page 8-93.
The grip warmers do not become very warm while the vehicle is traveling.
1. Check that the temperature level of
the high grip warmer setting is set
to highest temperature.
OK
2. Check that the MIL is on and that
DTC No. P0500 is displayed in the
YDT display.
OK
Replace the ECU. Refer to "REPLAC-
ING THE ECU (Engine Control Unit)"
on page 8-93.
The temperature levels of the grip warmer settings cannot be changed.
1. Check the menu switch.
Refer to "CHECKING THE
SWITCHES" on page 8-91.
OK
2. Check the select switch.
Refer to "CHECKING THE
SWITCHES" on page 8-91.
OK
3. Check the wire harness between
the handlebar switch (left) and the
meter assembly.
GRIP WARMER SYSTEM (for XP560D)
Replace the ECU. Refer to "REPLACING
NG THE ECU (Engine Control Unit)" on
page 8-93.
Adjust the temperature levels of the grip
NG
warmer settings.
Adjust the temperature levels of the grip
NG
warmer settings.
Perform the troubleshooting for DTC No.
NG
P0500. Refer to "P0500" on page 9-115.
• The menu switch is faulty.
NG
• Replace the handlebar switch (left).
• The select switch is faulty.
NG
• Replace the handlebar switch (left).
Properly connect or replace the wiring har-
NG
ness.
8-58