0186-14 PTO Shutdown Switch Occurrence (47)

132

TM 9-2320-312-24-2

Troubleshooting Section

Service Tool Display or Lamps The Caterpillar

i01640819

Electronic Technician (ET) will display "DIAG" on the

0190-00 Engine Overspeed

status screen while the diagnostic code is active.

Warning (35)

Perform the following diagnostic procedure: "PTO

Engine Shutdown Switch Circuit - Test"

SMCS Code: 1907-038

Results:

Conditions Which Generate This Code:

OK STOP.

This condition indicates that the engine speed has

exceeded 3300 rpm.

i01617310

System Response:

0186-14 PTO Shutdown Switch

Electronic System Response The ECM shuts off

Occurrence (47)

the fuel injection delivery above the programmed

"Top Engine Limit" (TEL).

SMCS Code: 1165-038-ZS; 1408-081

This diagnostic code requires a Factory Password

Conditions Which Generate This Code:

in order to be cleared.

All of the following conditions must be met.

This diagnostic code represents a critical event.

This diagnostic code does not represent an

The parameter "PTO Configuraton" is

electronic system fault.

programmed to "Cab Switches", "Remote

Switches", or "Remote Throttle".

Service Tool Display or Lamps Caterpillar

Electronic Technician (ET) will display "TOP ENGINE

The PTO switch is on the ON position.

LIMIT" in a unique area of the status screen when

the engine rpm has reached the top engine limit or

The parameter "PTO Engine Shutdown Switch" is

when the engine rpm has exceeded the top engine

programmed to "J1/P1:7" or "J1/P1:23".

limit. The Check Engine Lamp will illuminate.

The PTO Engine Shutdown Switch is off and the

Troubleshooting:

PTO switch is active for 0.5 seconds.

There are no problems that require troubleshooting.

The PTO Engine Shutdown Switch changes state

for 0.5 seconds.

This diagnostic code indicates an excessive engine

speed. This diagnostic code does not indicate a

System Response:

problem with the ECM or the engine speed/timing

sensor.

Electronic System Response The engine will shut

down and PTO mode will be deactivated. The ECM

Results:

will not allow the PTO to engage while this fault is

active.

OK STOP.

Service Tool Display or Lamps The Caterpillar

Electronic Technician (ET) will not display a status.

i01640960

0190-02 Loss of Engine RPM

Perform the following diagnostic procedure: "PTO

Signal (34)

Engine Shutdown Switch Circuit - Test"

Results:

SMCS Code: 1408-081; 1907-038

OK STOP.

Conditions Which Generate This Code:

The signal for the camshaft position sensor 1 (top)

is intermittent or lost.