DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
Page
32
TRACTION
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-57
Controller “motor current
sensor” input too low during
running.
This status code will be displayed when the voltage input
from the current sensor is too low during running.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
FU5
KEY SWITCH
L
SE
AT SW
./
CH
AR
GE
R
ST
AR
T SW
.
FO
RW
A
RD SW
.
R
E
V
E
R
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
LD
A
R
MA
TURE
A2
A1
FU6
LINE
+
-
TRACTION
STATUS CODE
DESCRIPTION OF
STATUS
CAUSE OF STATUS INDICATION
-63
The voltage at P18 (brake
input) less than 12% of battery
volts.
This status code will be displayed when the control detects
the voltage at the brake coil driver (P18) is less than 12% of
the battery voltage.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Check connections at P18:
- Shorted brake coil
- Open brake coil
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
+
-
November 2005