DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 33
January 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.

KEY SWITCH
L
P7
P1
P17 P2 P6 P9
P3 P12P8
P4 P5
SEAT SW.
START SW.
FOR. SW.
REV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
FU7
TO
ACCESSORIES
FU6 P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
ACC POT BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS A1 F1
NEG F2
FIELD
ARMATURE
FU5
BRAKE SW.
A2

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.

KEY SWITCH
L
P7
P1
P17 P2 P6 P9
P3 P12P8
P4 P5
SEAT SW.
START SW.
FOR. SW.
REV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
FU7
TO
ACCESSORIES
FU6 P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
ACC POT BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS A1 F1
NEG F2
FIELD
ARMATURE
FU5
BRAKE SW.
A2