DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 33
October 2002
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 R CALL E
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.
FU3
KEY SWITCH
P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
ACC POT
L
REVERSE SW.
SEAT SW.
P5
P9
FU5
NEG
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
LINE
FU1
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-49
Motor field current is too low during the
run mode.
This status code will be displayed when the current
draw in the motor field is too low during the run mode.
MEMORY R CALL E
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will only operate for a second
or two before shutting down.
POSSIBLE CAUSE
If the fault code is intermittent, verify
that the accelerator pot is adjusted
correctly.
Check for open motor field coils or
loose or intermittent field connections,
or open F1 or F2 connections.
FU3
KEY SWITCH
P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
ACC POT
L
REVERSE SW.
SEAT SW.
P5
P9
FU5
NEG
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
LINE
FU1