Code :

Code: F901
Description: Engine speed error. The speed information of the MAIN board is damaged. The MAIN board in which is not corresponding to the equipment model is installed.
Causes: Harness MAIN board
Remedy: Harness Check if there is no problem in the harness for connecting to the following connector. MAIN board: CN15 MAIN board Check if the MAIN board in which is corresponded to the equipment model is installed. Check if the label color of the MAIN board (indicated in the figure with the arrow) is corresponded to the equipment model (indicated on the rating label). 25S: Yellow (MJD) / White (Other than MJD) 25H: Pink 25F: Yellowish green E Position of the label to be checked If they are not corresponding correctly, replace the MAIN board with the correct one by referring to the procedures described below. Reference: P. 9-1 "9.1.1 Main board (MAIN)"