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DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 23
January 2000
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-07
Accelerator input voltage too high on
power up after initial key switch
closure.
This status code will be displayed when the
accelerator input voltage at P7 is higher than 4.2
volts, and a directional contactor is picked up.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate when accelerator pedal
is depressed or status code -07 is displayed
then disappears when the vehicle starts to
accelerate.
POSSIBLE CAUSE
Accelerator input mis-adjusted or defective.
•=Input voltage at P7 should be less than 3.7
volts. Adjust or replace accelerator unit to
insure that the voltage at P7 will vary from 3.5
volts to less than .5 volts when the pedal is
depressed.
Open circuit between battery negative and P7 in
accelerator input circuit.
•=Check for broken wires or loose connections
or open potentiometer / voltage supply.
Short circuit from battery positive to wiring in
accelerator input circuit.
•=Disconnect wire from P7 and measure
voltage at wire to negative. Should be zero
volts for potentiometer type and less than 3.7
volts for solid state type accelerator input.
NEGATIVE
P7
ACC POT
KEY
SWITCH
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-08
Accelerator input voltage too low on
power up after initial key switch
closure.
This status code will be displayed when the
accelerator input voltage at P7 is less than 3.0 volts,
and any of the following connections are opened and
closed: battery plug or key switch.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Accelerator input mis-adjusted or defective.
•=Input voltage at P7 should be more than 3.0
volts. Adjust or replace accelerator unit to
insure that the voltage at P7 is more than 3.0
volts before depressing pedal.
Short circuit between battery negative and P7 in
accelerator input circuit.
•=Disconnect wire from P7. Check for short
circuit from wire to battery negative.
Defective Control
•=Disconnect wire from P7. Measure voltage
from P7 to negative. Voltage should be greater
than 4.5 volts, if not, replace control.
NEGATIVE
P7
ACC POT
KEY
SWITCH