TM 10-3930-675-24-1
TROUBLESHOOTING INTRODUCTION - CONTINUED
0004 00
DIAG EXTRA FUNCTION - CONTINUED
EXTRA FUNCTION
4(13)
Signal from fording switch to ECU 792.
Voltage to ECU 792 keeps fan operational.
WATER LEVEL
0
Voltage is removed while fording to turn off fan.
(0 = CUT OFF FAN)
0 = Fan off, 1 = Fan on
EXTRA FUNCTION
5(13)
Signal from blackout light switch to ECU 790
connector 1.
BLACKOUT
0
0 = Off, 1 = On
WORK LIGHT ATTACH
0
Signal from tophandler work light switch to ECU 792.
0 = Off, 1 = On
EXTRA FUNCTION
6(13)
Signals from hydraulic filter indicators to ECU 792.
HYD FILTER BOOM
0
Filter exceeds pressure drop.
HYD FILTER STEERING
0
Normal = 0
HYD FILTER ATTACH
0
Change filter = 1
HYD FILTER RET. OIL
0
Not used on 3998R/7364
EXTRA FUNCTION
7(13)
Signal from brake pressure switches to ECU 790
connector 1.
BRAKE CIRCUIT 1
0
0 = No pressure, 1 = Pressure
BRAKE CIRCUIT 2
0
Pressure switches are connected to the accumulator
side of the brake system.
0004 00-22