DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL | Page 24 |
TRACTION | DESCRIPTION OF STATUS | |
STATUS CODE |
| |
Both the forward and reverse | ||
directional switches are closed at the | ||
| same time. | |
MEMORY RECALL | CORRECTIVE ACTIONS | |
NO | ||
| ||
| SYMPTOM | |
Circuits valid | Control will not operate. | |
| ||
for | POSSIBLE CAUSE | |
Traction | Forward or reverse directional switch welded | |
closed or | ||
Controller | • Replace or adjust directional switches to | |
| insure that they open when directional switch | |
| is returned to neutral. | |
| Short circuit between battery positive and P4 | |
| and/or P5. | |
| • Disconnect wires from P4 and P5 and check | |
| wire for short circuit to positive side of | |
| directional switch. |
Defective Control
•Disconnect wires and measure voltage at P4 and P5. Voltage should be less than 60% of battery volts.
CAUSE OF STATUS INDICATION
This status code will be displayed when P4 and P5 are greater than 60% of battery volts at the same time.
KEY
SWITCH
|
| L | SWITCHSEAT | STARTSW. | FORWARDSW. | REVERSESW. |
|
|
|
|
|
| |
P1 | P17 | P2 | P6 | P3 | P4 | P5 |
TRACTION | DESCRIPTION OF STATUS | CAUSE OF STATUS INDICATION | |
STATUS CODE |
|
| |
Steer angle potentiometer voltage is | This status code will be displayed when P12 is greater | ||
too high. | than 3.9 volts. | ||
MEMORY RECALL | CORRECTIVE ACTIONS | ||
NO | |||
|
| ||
| SYMPTOM |
| |
Circuits valid | Control will not operate. |
| |
|
| ||
for | POSSIBLE CAUSE |
| |
Traction | Steer angle potentiometer input |
| |
defective. Loose or missing connections at P8, |
| ||
Controller | P12 or P9. | P9 P12 P8 | |
| • Input voltage at P12 should be less than 3.9 |
| |
| volts at all times. Insure that the adjustment |
| |
| of the steer potentiometer is in accordance |
| |
| with Section 9 of this instruction. |
| |
| Defective control. |
| |
| • Replace control unit. | STEER ANGLE | |
|
| ||
|
| POT |
January 2000