TM 10-3930-675-24-1
TROUBLESHOOTING INTRODUCTION - CONTINUED
0004 00
DIAG ATTACHMENT - CONTINUED
DIAG ATTACH
3(16)
Signals from alignment proximity switches to
ECU 791 connector 1.
ALIGNMENT
To test; activate manually or engage tophandler in
LE FRONT
0
RI FRONT 0
container.
LE REAR
0
RI REAR 0
1 = 24V signal, 0 = no signal
DIAG ATTACH
4(16)
Signals from twistlock proximity switches to ECU 791
connector 1.
TWISTLOCK
To test; override twistlocks.
LE UNL.
0
RI UNL.
0
1 = 24V signal, 0 = no signal
LE LOCK
0
RI LOCK
0
DIAG ATTACH
5(16)
Signals from rotation, damping, and forklift
attachment proximity switches to ECU 791 connector
ROTATION +/- 45
1
1.
DAMPING 20/40
0
Rotational/work light lockout; 3998R/7364 only.
ATTACHMENT SIG 1
1
Damping signal occurs during spreading extremes,
ATTACHMENT SIG 2
1
Attachment signal normally on until the forklift kit is
installed. 1 = 24V signal, 0 = no signal.
DIAG ATTACH
6(16)
Signals from ECU 791 connector 2 to twistlock valve
solenoids.
TW-LOCK OUTPUT
INPUT
Voltage (24V) to solenoids and actual amperage
UNLOCKED 0.00V
0mA
through solenoid coils when twistlock function is
LOCKED
0.00V
0mA
activated.
DIAG ATTACH
7(16)
Signals from ECU 791 connector 2 from the side shift
SIDE SH. OUTPUT
INPUT
valve solenoids.
LEFT
0mA
0mA
Output = Target value, Input = Actual value
RIGHT
0mA
0mA
Activating side shift function; the target value appears.
The actual amperage will rise to closely match the
target value.
0004 00-12