Information Display (Roll Mode Switch)

PY16304-UN-08AUG12

PY16688-UN-15OCT12

A - Roll Mode Switch

B - LCD Display

Roll mode switch (A) controls two different information display modes, "Normal" and "Diagnostic".

Information Display - Normal Mode

Roll mode switch (A) and information display (B) default to the normal mode. In normal mode: Information display (B) provides a numeric representation of engine hours, vehicle speed, or PTO speed.

• Press and release the roll mode switch (A) to cycle through the display (B) values (engine hours, vehicle speed, and PTO speed).

  Roll Mode Sequence Order
  Engine Hours
  Vehicle Speed
  PTO Speed1
  Regeneration Progress Stage 12
  Regeneration Progress Stage 22
  Regeneration Progress Stage 32

  
  

• Engine hours are displayed when the key switch is first turned on.
• Engine hours are displayed for at least 7 seconds prior to automatically switching to any other value.
• The display (B) automatically transitions to the vehicle speed when the tractor begins moving.
• The display (B) automatically transitions to PTO speed when the PTO is engaged.
• The display (B) disables automatic scrolling once the roll mode switch (A) is pressed or used to scroll through display modes.
• The PTO speed is only displayed, when the enable PTO speed display is configured in ICC diagnostic address 026 (1 = enabled) [If vehicle is equipped with electro-hydraulic PTO.]
• The display (B) only re-enables automatic scrolling when the key switch is cycled on and off.
• During exhaust filter cleaning process, the display (B) transitions through the various exhaust filter cleaning states.

Information Display - Diagnostic Mode

The diagnostic mode has two levels of access; “Customer” and “Technician”.

• Customer access = Press and hold roll mode switch for 5 seconds to begin diagnostic session. This allows access to see diagnostic trouble codes and a limited amount of diagnostic addresses.
• Technician access = Only for John Deere dealer use. Accesses everything in customer mode plus vehicle set up, configuration, and calibration.

Customer access; recall, record, and clear diagnostic trouble codes:

• Press and hold the roll mode switch for 5 seconds to begin diagnostic session.
• Upon entering diagnostic, any active or previously active codes will automatically appear in a scrolling fashion with each one showing the control unit (3 letter abbreviation) and the code number (XXXXXX.XX).
• To view and /or clear diagnostic trouble codes for any given control unit, you must do the following:

1. Use the right turn signal switch to scroll to the desired control unit.
2. Press and release the roll mode switch to enter the diagnostic addresses for that desired control unit.
3. Use the right turn signal switch to scroll to diagnostic address 001 for that desired control unit.
4. If codes are present the word “codes” will appear. If not, the word “none” will appear.
5. Press and release the roll mode switch to view all codes details for this control unit.
6. Any codes present in that control unit will appear there in scrolling fashion for multiple codes.
7. To access the option for clearing codes for this selected control unit, present and release the right turn signal switch.
8. The question “CLR?” will appear.
9. To clear the codes, press and release the roll mode switch.
10. To go back to the entire control unit list, press and release the left turn signal switch.
11. Proceed to the next desired control unit by repeating steps 1-10.