Yamaha FZ09E Service Manual page 414

FUEL INJECTION SYSTEM
Fault code No.
89 (Yamaha diagnostic tool)
Err (multi-function meter display)
Item
Multi-function meter: signals cannot be t ransmitted between
the ECU and the multi-function meter.
5
Malfunction in ECU. Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-93.
8-79