Service Manual

SECTION 6 - JLG CONTROL SYSTEM
6-58 – JLG Lift – 3121202
Table 6-8. Diagnostic Menu Descriptions
DRIVE
DRIVE FOR … Displays drive joystick direction & demand
STEER … Displays steer switch direction & demand
NOTE: steer demand is inversely proportional to vehicle speed
BRAKES … Displays brake control system status
CREEP … Displays pump pot creep switch status
TWO SPEED ... Displays two speed switch status
2 SPEED MODE Displays status of two speed valve
HIGH ENGINE Displays high engine switch status
BOOM
U LIFT UP … Displays lift joystick direction & demand
SWING LEFT … Displays swing joystick direction & demand
LEVEL UP … Displays basket level switch direction & demand
NOTE: demand is controlled by the pump pot
ROT. LEFT … Displays basket rotate switch direction & demand
NOTE: demand is controlled by the pump pot
U TELE IN … Displays telescope switch direction & demand
NOTE: demand is controlled by the pump pot
JIB UP … Displays jib lift switch direction & demand
NOTE: demand is controlled by the pump pot
Not displayed if JIB = NO
JIB LEFT … Displays jib swing switch direction & demand
NOTE: demand is controlled by the pump pot
Not displayed if JIB = NO
PUMP POT … Displays pump pot demand
ENGINE
START … Displays start switch status
AIR FILTER … Displays air filter status
BATTERY … Displays measured battery voltage
COOLANT … Displays coolant temperature
OIL PRS … Displays oil pressure status
FUEL SELECT … Displays selected fuel (Dual Fuel only)
FUEL LEVEL … Displays fuel level status
RPM Displays Engine RPM
GM BATTERY Displays battery voltage at ground module