If the display function does not work, replace the meter unit.

Check 3-6: Neutral Indicator Light (LED) Inspection
Meter Unit Circuit (ZX1000J Model)Steering Damper Removal
ZX1000JC/KC
Remove:
Steering Damper Mounting Bolts (TORX Bolts) [A]
Washer [B]
Washer and Collar [C]
Steering Damper [D]
ZX1000JD/KD
Remove:
Clamp [A]
Connector [B] (Disconnect)
Steering Damper Mounting Bolts (TORX Bolts) [C]
Washer [D]
Washer and Collar [E]
Elect ...
Relay Circuit Inspection
Remove the relay box (see Relay Box Removal).
Check conductivity of the following numbered terminals
by connecting the hand tester and one 12 V battery to the
relay box as shown in the figure (see Relay Box Internal
Circuit in this section).
If the tester does not read as specified, re ...
Radiator Hose and Pipe Inspection (coolant leak, damage, installation
condition)
The high pressure inside the radiator hose can cause
coolant to leak [A] or the hose to burst if the line is not
properly maintained.
Visually inspect the hoses for signs of deterioration.
Squeeze the hoses. A hose should not be hard and
brittle, nor should it be soft or swollen.
Repl ...