DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
30
November 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-45
Armature transistor did not turn on
properly.
This status code will be displayed when, during
control operation, the armature transistor fails to turn
on properly. 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
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-46
“Look Ahead” test for A2 volts less
than 12% of battery volts.
This status code will be displayed when the voltage at
A2 is less than 12% of battery volts.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor will not pick up.
POSSIBLE CAUSE
Check for short circuit from the motor armature
to the frame of the vehicle.
Defective control.
•
Replace controller unit.
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13