DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL | Page 20 |
Section 4.5 Traction Control Codes |
|
TRACTION | DESCRIPTION OF STATUS | CAUSE OF STATUS INDICATION | |
STATUS CODE |
|
|
|
NONE | Segments do not illuminate on the | No input voltage to the control card or the display unit. | |
Dash Display and/or the Handset. |
|
| |
MEMORY RECALL | CORRECTIVE ACTIONS |
| |
NO | |||
Circuits valid | SYMPTOM |
|
|
Display screen on Dash Display and/or Handset | FU3 | KEY | |
for | is blank. | SWITCH | |
|
|
| |
Traction | POSSIBLE CAUSE |
|
|
Controller | Positive or negative control voltage is not | FU5 |
|
| present. |
|
|
•Insure that the key switch is closed and voltage is present between P1 & battery
negative (Power Terminal “NEG”). Also check |
| + |
|
|
| |||
|
|
|
|
|
|
| ||
for voltage between P2 and control negative. |
|
|
|
|
|
|
| |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| |
Open circuit between control card AND the Dash |
|
|
|
|
|
| ||
- |
|
|
| |||||
Display or Handset. |
|
|
| NEG |
| P1 P2 | ||
• Check for an open circuit or loose connection |
|
|
|
|
| |||
|
|
|
|
| ||||
| ||||||||
going from the control and the Dash Display or |
|
|
|
|
|
| ||
|
|
|
|
|
| |||
Handset. |
|
|
|
|
|
| ||
Defective Dash Display or Handset.
•Replace Dash Display or Handset.
TRACTION | DESCRIPTION OF STATUS |
STATUS CODE |
|
No seat switch or deadman switch | |
input (no voltage to P6). | |
MEMORY RECALL | CORRECTIVE ACTIONS |
NO | |
Circuits valid | SYMPTOM |
Control will not operate. | |
for |
|
CAUSE OF STATUS INDICATION
This status code will be displayed when P6 is less than 50% battery volts.
KEY
FU3SWITCH
Traction | POSSIBLE CAUSE | ||
Controller | switch. |
| |
| • | Check to see that the seat switch closes | |
|
| properly. | |
| Open circuit between battery positive and P6. | ||
| • | Check for loose connections or broken wires: | |
|
| − | Between the seat switch and P6 |
|
| − | Between the key switch and the battery |
|
|
| positive side of the seat switch. |
|
| − | Between the seat switch and P2. |
| • | On vehicles without a seat/deadman switch, | |
|
| check for a loose connection or broken wire | |
|
| from P2 and/or P6. | |
FU5
+
-
NEG
SEAT SWITCH
P1 P2 P6
January 2000
