Haulotte HT26RT O, Product & Training Manual

Page: 179 / 280

Type:
Name
Diagnostic
instructions:
ECU:
Ref
Pin
Wire
Type:2
ANNEX
4
.11
YV100
‐
Differential
lock
valve
If
differential
lock
function
is
requested,
output
must
be
ON
(>
0mA).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_PWM2_0 4
2B.06
689 (CE01.8)
PWM
output
2A
with
advanced
current
sense
(HSD)
YV101
‐
Oscillating
axle
unlock
valve
1
If
oscillating
axle
unlock
function
is
requested,
output
must
be
ON
(>
0mA).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_PWM2_0 5
2B.05
686 (CE02.4)
PWM
output
2A
with
advanced
current
sense
(HSD)
YV104
‐
Oscillating
axle
unlock
valve
2
If
oscillating
axle
unlock
function
is
requested,
output
must
be
ON
(>
0mA).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_PWM2_0 6
2B.34
687 (CE02.5)
PWM
output
2A
with
advanced
current
sense
(HSD)
HA901
‐
Buzzer
(turret)
If
turret
control
box
buzzer
function
is
requested
output
must
be
ON
(>
0mA).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_DIG2_06
1B.30
186
Digital
output
2A
(HSD)
KA3
‐
Engine
supply
relay
When
engine
is
starting
or
running,
output
must
be
ON
(0V).
If
status
is
not
OK:
‐
check
relay
‐
check
output
supply
fuse
(FU7
‐
15A)
‐
check
output
supply
(109=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
LSD_DIG_03
2A.23
170 (CN01.29)
Digital
output
4A
(LSD)
KM160
‐
Engine
pre
‐
heating
contactor
If
engine
pre
‐
heat
function
is
active,
output
must
be
ON
(>
0mA).
If
not
check
function
diagnostic.
If
status
is
not
OK:
‐
check
contactor
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_DIG2_04
1B.01
162
Digital
output
2A
(HSD)
KA4
‐
Engine
start
relay
If
engine
start
function
is
requested
output
must
be
ON
(0V).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
relay
‐
check
output
supply
fuse
(FU7
‐
15A)
‐
check
output
supply
(109=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
LSD_DIG_04
2A.06
169 (CN01.47)
Digital
output
4A
(LSD)
YA300
‐
Accelerator
coil
If
engine
is
accelerated,
output
must
be
ON
(>0mA).
If
not:
check
function
diagnostic.
If
status
is
not
OK:
‐
check
output
wire
continuity
‐
check
accelerator
SPU70
‐
66
‐
Turret
StatusLED
135,
136
PCB
LED
status
KA9
‐
Horn
relay
If
horn
function
is
requested,
output
must
be
ON
(>
0mA).
If
not,
check
Function
Diagnostic.
If
status
is
not
OK:
‐
check
relay
‐
check
power
supply
fuse
(FU13
‐
20A)
‐
check
power
supply
(103=+VBAT)
‐
check
output
wire
continuity
SPU70
‐
66
‐
Turret
HSD_DIG2_03
1B.02
187 (CN01.23)
Digital
output
2A
(HSD)