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
P2
P17
P6
P3 P4
START SW.
FORWARD
SW.
ACC POT
L
REVER
SE SW.
SEAT SW
.
P5
P9
FU5
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIEL
D
ARMA
T
U
RE
+
-
LINE
FU1
P8
P10
P14
HYDRAULIC SWITCHES
3
PATD