Yamaha TMAX 2020 Service Manual

8-58GRIP WARMER SYSTEM (for XP560D)OK9. Execute the diagnostic mode (codeNo. 57) to turn on the grip warmers,and then check that they becomewarm.NGReplace the ECU. Refer to “REPLACINGTHE ECU (Engine Control Unit)” onpage 8-93.OKReplace the meter assembly.The grip warmers are abnormally hot while the engine is idling.1. Check that the temperature level ofthe low grip warmer setting is set tolowest temperature.NG Adjust the temperature levels of the gripwarmer settings.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 ofthe high grip warmer setting is setto highest temperature.NG Adjust the temperature levels of the gripwarmer settings.OK2. Check that the MIL is on and thatDTC No. P0500 is displayed in theYDT display.NG Perform the troubleshooting for DTC No.P0500. Refer to “P0500” on page 9-115.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 THESWITCHES” on page 8-91.NG • The menu switch is faulty.• Replace the handlebar switch (left).OK2. Check the select switch.Refer to “CHECKING THESWITCHES” on page 8-91.NG • The select switch is faulty.• Replace the handlebar switch (left).OK3. Check the wire harness betweenthe handlebar switch (left) and themeter assembly.NG Properly connect or replace the wiring har-ness.