0091-13 Throttle Sensor Calibration (28)

109

TM 9-2320-312-24-2

Troubleshooting Section

If the parameter "Secondary Fuel Tank Size" is not

i01638698

programmed and a diagnostic code is active for the

0091-13 Throttle Sensor

secondary fuel level sensor, the ECM will broadcast

Calibration (28)

an error code over the J1939 data link. The ECM

will also broadcast the fuel level as 0 over the ATA

data link.

SMCS Code: 1913-524

Service Tool Display or Lamps Caterpillar

Conditions Which Generate This Code:

Electronic Technician (ET) will display "DIAG" next

to "Primary Fuel Level" on the status screen while

The duty cycle for the Accelerator Pedal Position

the diagnostic code is active.

Sensor signal is less than 5 percent or more than

95 percent.

Perform the following diagnostic procedure: "Fuel

Level Sensor Circuit - Test"

System Response:

Results:

Electronic System Response The ECM returns the

engine to low idle when the problem is detected.

OK STOP.

Service Tool Display or Lamps Caterpillar

Electronic Technician (ET) will display "0%" and

i01616821

"DIAG" next to "Throttle Position" on the status

0096-04 Primary Fuel Level

screen while the diagnostic code is active.

Sensor Short Circuit (44)

Engine Response The engine will remain at low

idle while the diagnostic code is active.

SMCS Code: 1408-081; 7483-038-NX

Troubleshooting:

Conditions Which Generate This Code:

Perform the following diagnostic procedure:

This diagnostic code is used only by GMT-560

"Accelerator Pedal (Throttle) Position Sensor Circuit

applications.

- Test"

The Primary Fuel Level signal voltage is below the

Results:

acceptable range for more than 10 seconds.

OK STOP.

System Response:

Electronic System Response If the parameter

i01616081

"Secondary Fuel Tank Size" is programmed and a

0096-03 Primary Fuel Level

diagnostic code for the secondary fuel level sensor

Sensor Open Circuit (44)

is not active, the ECM will use the secondary fuel

level sensor to determine the fuel level.

SMCS Code: 1408-081; 7483-038-NS

If the parameter "Secondary Fuel Tank Size" is not

programmed and a diagnostic code is active for the

Conditions Which Generate This Code:

secondary fuel level sensor, the ECM will broadcast

an error code over the J1939 data link. The ECM

This diagnostic code is used only by GMT-560

will also broadcast the fuel level as 0 over the ATA

applications.

data link.

The Primary Fuel Level signal voltage is above the

Service Tool Display or Lamps Caterpillar

acceptable range for more than 10 seconds.

Electronic Technician (ET) will display "DIAG" next

to "Primary Fuel Level" on the status screen while

System Response:

the diagnostic code is active.

Electronic System Response If the parameter

Perform the following diagnostic procedure: "Fuel

"Secondary Fuel Tank Size" is programmed and a

Level Sensor Circuit - Test"

diagnostic code for the secondary fuel level sensor

is not active, the ECM will use the secondary fuel

Results:

level sensor to determine the fuel level.

OK STOP.