You can retrieve/display DTC's (trouble codes) by a method referred to as the odometer self-diagnostics which can display and delete speedometer, tachometer, TSM, TSSM or HFSM, ECM and ABS (if equipped) codes but not radio codes which are accessed through the radio itself and are shown on its own display.
In order to display odometer DTC's press and hold the trip odometer reset switch while you are turning the ignition switch to "ON", then release the trip odometer reset switch at which time "diag" will appear on the LCD display where normally the odometer reading would be. When "diag" appears you are in the diagnostic mode so if you next press and release the trip odometer reset switch again "PSSPtb" appear where diag previously was seen. This tells you what different modules are on the motorcycle that are set up or able to display DTC's. "P" indicates ECM codes; "S" indicates TSM, TSSM or HFSM codes; "SP" indicates Speedometer codes; "t" indicates tachometer codes; and "b" indicates ABS codes. "no rsp" will be displayed if the engine stop switch is not in the RUN position so be sure that you have the engine stop switch in the RUN position. Also if the motorcycle does not have a certain module "no rsp" will be displayed to indicate the absence of that certain/specific module. If the motorcycle does have the module you want to check for codes on then you can go through the modules until you get to the one you want to check for codes. To move through the code categories quickly press and release the trip odometer reset switch and each of the letters will appear and flash as each mode is selected, When the letter that corresponds to the module you want to check codes for appears hold the odometer reset button in and if there are no DTC's set for that module the word "none" will appear. If any current or historical DTC's are stored in the module, they will appear on the odometer. And if you quickly press and release the trip odometer reset switch the display will alternatively display the DTC numbers one at a time until they have all been displayed. When you have gone through all of the code categories "end" will be displayed. If you want to clear out or delete all codes in that module press and hold the odometer reset switch. If you do not want to remove or delete the recorded DTC's then quickly press and release the trip odometer reset switch at which time the module part number will be displayed and if you press and release the odometer reset switch again the next module's information will be displayed. When you are done and wish to exit the diagnostic mode just turn the ignition switch to "OFF".
To enter diagnostic mode press and hold the trip odometer
reset switch while turning the IGN ON.
2. Release the trip odometer reset switch. "diag" will appear
on the odometer display.
3. Press and release the trip odometer reset switch. "PSSPtb"
will appear on the odometer display.
4. PSSPtb indicates the different modules that could display
codes if equipped.
Table 2-1. Modules That Set DTCs
DESIGNATOR MODULE
P ECM codes
S TSM, TSSM or HFSM codes
SP Speedometer codes
t Tachometer codes
b ABS codes
5. Quickly press and release the trip odometer reset switch
to cycle through the letters. The letters will flash as they
are selected.
6. Once the corresponding letter is flashing to the desired
module press and hold the trip odometer reset switch.
7. If no DTCs are present, "none" will appear on display.
8. If any DTCs are stored in the module, either current or
historic, they will appear on the odometer. Quickly pressing
and releasing the trip odometer reset switch will cycle
through the stored DTCs.
NOTE
The ECM will show "no rsp" if the engine stop switch is not in
the RUN position. Verify the engine stop switch is in the RUN
position.
9. If odometer displays "no rsp" then the motorcycle may not
be equipped with the module. If the motorcycle is equipped
with the selected module then go to other modules and
look for applicable communication codes.
10. When all the DTCs have been cycled the odometer will
display "end".
11. To clear all the DTCs in that module press and hold the
trip odometer reset switch. If DTCs are not to be cleared
quickly press and release the trip odometer reset switch.
The part number of the module will be displayed.
12. Press and release the trip odometer reset switch again to
continue to the next module.
13. Turn the IGN OFF to exit diagnostic mode.
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