TM 10-3930-675-24-1
TROUBLESHOOTING INTRODUCTION - CONTINUED
0004 00
DIAG ATTACHMENT - CONTINUED
DIAG ATTACH
8(16)
Signals to ECU 791 connector 2 from the 20/40 spread
OUTPUT
INPUT
valve solenoids.
20' - > 40'
0mA
0mA
Output = Target value, Input = Actual value
40' - > 20'
0mA
0mA
Activating side shift function; the target value appears.
The actual amperage will rise to closely match the
target value.
DIAG ATTACH
9(16)
Function not used; 3998 only.
LAMPS
OUTPUT
Voltage from ECU 791 connector 2 to attachment work
WORKING LIGHT
0.00V
light relay.
WORKING LGT IR
0.00V
Activate blackout and IR for IR verification.
DIAG ATTACH
10(16)
Signal from ECU 791 connector 3 to twistlock
IND. LAMP
OUTPUT
indicator lights on boom.
TW UNLOCKED
24.00V
Voltage to light when all four alignment proximity
TW LOCKED
0.00V
switches are active (tophandler seated into a
container).
DIAG ATTACH
11(16)
Signals from ECU 791 connector 3 to twistlock
IND. LAMP
OUTPUT
indicator lights on boom.
ALIGNMENT
0.00V
Voltage to light when all four alignment proximity
switches are active (tophandler seated into a
container).
DIAG ATTACH
12(16)
Signals from ECU 791 connector 3 from the slewing
OUTPUT
INPUT
valve solenoids.
SLEW CW
0mA
0mA
Output = Target value, Input = Actual value
SLEW CCW 0mA
0mA
Activating slewing function; the target value appears.
The actual amperage will rise to closely match the
target value.
0004 00-13
