DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 43
September 2004
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-89
Hydraulic lever is activated before the
pump is enabled.
This status code will be displayed when the voltage at
P14 is greater than 3 volts at pump enable (10ms).
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
The truck will not run or the pump will not
operate.
POSSIBLE CAUSE:
Shorted or welded hydraulic switch
Verify connections to hydraulic switches
Verify mechanical operation of hydraulic
switches
FU3
KEY SWITCH
P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
ACC POT
L
REVERSE SW.
SEAT SW.
P5
P9
FU5
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
LINE
FU1
P8
P10
P14
HYDRAULIC SWITCHES
3
PATD