DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
40
October 2002
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 RE ALL
C
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Steer
Pump
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Power steering motor brushes are
worn.
Plug P3 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM module.
Defective pump controller.
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 RE ALL
C
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Steering
Pump
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Plug P4 (pump) is shorted to positive.
Defective input switch (shorted).
Defective TMM module.
Defective pump controller.
SC93A
POS
P4
USER SW
WHEN SR Series PUMP
CONTROL IS USED