JLG 400S Service And Maintenance Manual page 503

Help Message DTC
MAIN DUMP VALVE – SHORT TO 3360
BATTERY
BRAKE – SHORT TO GROUND 3361
START SOLENOID – SHORT TO 3362
GROUND
START SOLENOID – OPEN CIR- 3363
CUIT
START SOLENOID – SHORT TO 3364
BATTERY
STEER DUMP VALVE – SHORT 3365
TO GROUND
TWO SPEED VALVE - SHORT TO 3368
GROUND
TWO SPEED VALVE - OPEN CIR- 3369
CUIT
TWO SPEED VALVE - SHORT TO 3370
BATTERY
3121671
Table 6-11. Diagnostic Trouble Code Chart
Fault Condition/Trigger
(For configurable items, fault applies only if
configured. All listed conditions to be met
unless stated otherwise)
The UGM detects a short to battery at this output
The UGM detects a short to ground at this output
UGM detects a short to ground at this output
UGM detects an open circuit at this output; if MACHINE
SETUP > ENGINE = DUAL FUEL ECU, only evaluate until
first Start is attempted for each power cycle due to pos-
sibility of ECU opening ground solenoid return path to
disable Start and causing erroneous diagnostics.
UGM detects a short to battery at this output
The UGM detects a short to ground at this output
The UGM detects a short to ground at this output
The UGM detects an open circuit at this output
The UGM detects a short to battery at this output
SECTION 6 - JLG CONTROL SYSTEM
Required Control
Conditions Required for Movement
Response or State
and/or to Clear Fault
Assignment
The UGM shall prohibit Power Cycled
Main Dump, Steer (400S,
450AJ), Swing (340AJ,
400S, 450AJ), Tower Lift
Up (340AJ, 450AJ), Lift
Up, Telescope (400S,
450AJ, 18RS, 24RS), Jib
Lift (400S, 450AJ), Plat-
form Level (400S, 450AJ)
and Platform Rotate
(400S, 450AJ)
Disable UGM Drive/Steer Power Cycled
and Brake outputs
Engine Start attempt shall Power Cycled
not be permitted.
No response required for Power Cycled
this DTC
Disable UGM Engine Start Power Cycled
by deenergizing Fuel
Actuator (Kubota) or
sending Engine Shut-
down command (CAN-
based ECUs)
The UGM shall prohibit Power Cycled
Steer Dump
Disable UGM 2 Speed out- Power Cycled
put.
If in Max Speed drive
mode, switch to Max
Torque; disable Max
Speed drive mode
If in Max Speed drive Power Cycled
mode, switch to Max
Torque; disable Max
Speed drive mode
If in Max Speed drive Power Cycled
mode, switch to Max
Torque; disable Max
Speed drive mode. Ramp
and limit drive speed to
Creep value for associated
drive mode:
The UGM shall disable
Drive when the Boom is
Above Elevation.
X X
X X
X X
X X
X X
X X
X X
X X
6-63