Komatsu 830E Shop Manual page 260

15. MOTOR 2 TEMPERATURE . . . . . . . . . . motor 2 temp = 0.000 V; 0.0° C
a. Disconnect motor 2 temperature sensor wires 722F and 722H routed to wheel motor from
terminal board in control cabinet.
b. Connect a 100 ohm resistor to terminal board in place of wires removed in previous step to
simulate 0° C temperature signal into analog input card.
Screen value on PTU should read 1.96 ±.04 volts and 0.0° C.
c. Replace 100 ohm resistor with a 181 ohm resistor. (210° C)
Screen value on PTU should read 3.55 ±.07 volts and 210° C..
d. Remove resistor and replace sensor wires at terminal board.
NOTE: Sensors for functions 16 through 19 are not installed on all trucks. To verify installation,
select the proper truck configuration file, then select "View OEM Options" from the TRUCK SETUP
CONFIGURATION MINE MENU screen.
16. COOLANT TEMPERATURE . . . . . . . .eng coolant temp = 0.00 V; 0.0C
a. Connect a 1.5 volt battery to circuit 31CT (+) and circuit 0CT (-) at control cabinet terminal
board.
Screen value on PTU should read +1.5 volts; 0° C.
b. Remove battery from terminal board.
17. COOLANT PRESSURE. . . . . . . . . . eng coolant pres = 0.00 V; 0.0 PSI
a. Connect a 1.5 volt battery to circuit 31ECP (+) and circuit 0ECP (-) at control cabinet terminal
board.
Screen value on PTU should read +1.5 volts; 25 psi.
b. Remove battery from terminal board.
18. CRANKCASE PRESSURE . . . . . . . .eng crankc pres = 0.00 V; 0.0 PSI
a. Connect a 1.5 volt battery to circuit 31CKP (+) and circuit 0CKP (-) at control cabinet terminal
board.
Screen value on PTU should read +1.5 volts; 8 psi.
b. Remove battery from terminal board.
19. OIL PRESSURE. . . . . . . . . . . . . . . . .eng oil pressure = 0.00 V; 0.0 PSI
a. Connect a 1.5 volt battery to circuit 310P (+) and circuit 0OP (-) at control cabinet terminal
board.
Screen value on PTU should read +1.5 volts; 25 psi.
b. Remove battery from terminal board.
E3-30 Statex III Electrical Checkout Procedure 2/02 E03012