DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
28
March 2000
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.
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARMATURE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18 P17
P2
P6
P4
SEAT SW.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7
P9
*
F1
F2
FIELD
F1
F2
ACCEL
START
S W .
+
-
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.
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARMATURE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18
P17
P2
P6
P4
SEAT SW.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7 P9
*
F1
F2
FIELD
F1
F2
ACCEL
START
SW.
+
-