
DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
35
March 2000
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-93
Steering pump motor brush wear
indicator has detected worn brush.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic Card
is at battery volts.
MEMORY RECALL
YES *
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Steer
Pump
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by motor
brush sensor closure to battery positive.
Plug P3 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
* First status code is displayed immediately,
additional status codes are displayed in 20 hour
intervals.
SC93
POS
P3
USER SW
WHEN SR Series PUMP
CONTROL IS USED
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-93
Steering pump motor brush wear
indicator has detected worn brush.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic Card
is at battery volts.
MEMORY RECALL
YES *
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Steering
Pump
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed by motor
brush sensor closure to battery positive.
Plug P4 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM card.
Defective pump card.
* First status code is displayed immediately,
additional status codes are displayed in 20 hour
intervals.
SC93A
POS
P4
USER SW
WHEN SR Series PUMP
CONTROL IS USED