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Electrical system – JLG 4013PS Service Manual User Manual

Page 220

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Electrical System

9-80

3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9

LOW ENGINE OIL
PRESSURE
WARNING

4318

1, 2, 9

N/A

The ECM detects the engine oil

pressure is getting low, the ECM will

transmit a J1939 CAN bus DM1

message, or use the J1939 Transfer

Protocol in the event multiple

engine faults exist, on CAN1 to

communicate low engine oil

pressure (SPN:FMI 100:17 or

100:18).

Power cycled.

LOW ENGINE OIL
PRESSURE
CRITICAL

4319

1, 2, 3, 9

N/A

MECHANICAL: The UGM detects

input J12-8 Engine Oil Pressure is

LOW for 3 seconds and an ENGINE

RUNNING state exists for a period

of 5 seconds.

ELECTRONIC: The engine oil

pressure reaches its critical low oil

pressure value, which is based on

engine speed, the ECM will transmit
a J1939 CAN bus DM1 message, or

use the J1939 Transfer Protocol in

the event multiple engine faults

exist, on CAN1 at a rate of 1 second

to communicate low engine oil

pressure (SPN:FMI 100:1).

Power cycled.

ALTERNATOR
CHARGING
FAILURE

4320

1, 2, 10

N/A

Once an ENGINE RUNNING state

exists for a period of 3 seconds or

more, J4-7 Alternator D+ input will

be LOW for a period of 500ms.

J4-7

Alternator D+

is continu-

ously HIGH

for a period of

3 seconds.

AIR FILTER
RESTRICTION

4321

1, 2, 7

N/A

J1-34 Air Filter Restriction input is

LOW and an ENGINE RUNNING

state exists for a period of 3

seconds or more or 10 seconds

after a system power up.

J1-34 Air

Filter

Restriction

input is HIGH

for 1 second.

LOSS OF ENGINE
SPEED SIGNAL

4322

1, 2

Deactivate J2-26 Engage Starter.

Ignore the above-mentioned

interlock for disabling the

Continuous Auxiliary Hydraulics

function when engine speed is 600

RPM.

Ignore the prevent engine stall

logic.

MECHANICAL: J4-7 Alternator D+
is HIGH and J12-8 is HIGH and no

impulses are received at J1-16

Engine Speed.

ELECTRONIC: The TCM or ECM

will report the fault using J1939

CAN protocol to the UGM.

Power cycled.

CONFLICTING
OPERATING
ENGINE STATE

4324

1, 2

N/A

J4-8 Engine Start has been

engaged during the active power

cycle, an ENGINE STOPPED

condition exists, and one of the

three ENGINE RUNNING

conditions is true

Power cycled.

BATTERY SUPPLY

44XXX

Message

Fault

Code

Indicators

Other Actions Taken

Trigger for Fault

Latch Until