DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
Page
30
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 closes and opens, then
can only be closed by opening and
closing the key switch.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
FU5
KEY SWITCH
L
SEAT
SW
./
CH
A
R
G
E
R
ST
AR
T SW
.
F
O
RWA
RD S
W
.
R
EVER
SE SW
.
BRAKE SW.
B
SW
1
SW
2
P1
P17
P2 P6
P9
P3
P7
P8
P4
P5
P10
P21
ACC POT
BUZZER
P18
P15
PLUG PY
CONNECTIONS
OSCILLATOR CARD
+5V
NEG
PY11
PY12
P14 P20
TACH
P12
P22
P23
RS
-232
FU1
POWER
CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
E
L
D
AR
M
ATU
R
E
A2
A1
FU6
LINE
+
-
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 closes, then opens, and
can only close by opening and closing
the key switch.
POSSIBLE CAUSE
Check for short circuit from the motor
armature to the frame of the vehicle.
FU5
KEY SWITCH
L
SEAT
SW
./
CH
A
R
G
E
R
ST
AR
T SW
.
F
O
RWA
RD S
W
.
R
EVER
SE SW
.
BRAKE SW.
B
SW
1
SW
2
P1
P17
P2 P6
P9
P3
P7
P8
P4
P5
P10
P21
ACC POT
BUZZER
P18
P15
PLUG PY
CONNECTIONS
OSCILLATOR CARD
+5V
NEG
PY11
PY12
P14 P20
TACH
P12
P22
P23
RS
-232
FU1
POWER
CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
E
L
D
AR
M
ATU
R
E
A2
A1
FU6
LINE
+
-
November 2005