DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
39
October 2002
Section 4.7 TMM Codes
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-90
Traction motor temperature has
exceeded maximum temperature limit.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic
Card is at zero volts.
MEMORY RE ALL
C
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Temperature
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Traction motor overheating.
Plug P16 (pump) is shorted to battery
negative.
Defective input switch (shorted).
Defective TMM module.
Defective pump control.
P16
SC90
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-91
Pump motor temperature has
exceeded maximum temperature limit.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic
Card is at zero volts.
MEMORY RE ALL
C
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Temperature
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
Pump motor overheating.
Plug P11 (pump) is shorted to battery
negative.
Defective input switch (shorted).
Defective TMM module.
Defective pump controller.
P11
SC91
NEG
USER SW
WHEN SR Series PUMP
CONTROL IS USED