DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
30
October 1998
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-43
Motor armature offset voltage is too
low.
This status code will be displayed when the voltage at
the current sensor input is less than 2.4 volts with no
current flowing in the motor circuit.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
•
=
Replace controller unit.
NO GRAPHIC FOR THIS
STATUS CODE
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS
INDICATION
-44
Armature transistor did not turn off properly.
This status code will be displayed
when, during control operation, the
armature transistor fails to turn off.
This will result in a PMT condition.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor opens and closes, then can only be
closed by opening and closing the key switch.
POSSIBLE CAUSE
Defective control.
•
=
Replace controller unit.
POWER CONNECTIONS
LEFT CONTROL
POS
A1
F1
NEG
A2
F2
FI
E
L
D
AR
M
A
T
U
R
E
FU4
A1
A2
S1
S2
SP
+
-
FU1
POWER CONNECTIONS
RIGHT CONTROL
POS
A1
F1
NEG
A2
F2
L
P9
P7
P8
P1 P17
P2
P6
P19
P3
P12 P20
P4
P5
SEAT
SW.
ST
AR
T
SW.
F
O
R
W
AR
D
SW.
R
EVER
SE SW.
P10
P13
ACC
POT
STEER ANGLE
POT
B
D
I I
N
T
E
RRUP
T
P14 P15
+
1
2
V
FO
R
TA
C
H
S
IG
N
A
L
T
A
C
H
IN
PU
T
SIG
N
AL
ST
EER
PU
M
P
FI
E
L
D
ST
EER
PU
M
P
AR
M
P11 P18
1
A
O
R
SP D
V
R
P
L
U
G
/R
GN
OU
T
P
U
T
LEFT
CONTROL
(MASTER)
T
O
P
U
M
P
CO
NT
RO
L
PO
SIT
IVE
T
O
P
U
M
P
CO
NT
RO
L
PO
SIT
IVE
LINE
PY11 PY12
SERIAL RECEIVE
SERIAL TRANSMIT
BRAKE
POT
FU3
KEY
SWITCH
BRAKE SW.
