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I have a 2011 maxxforce dt engine while running unit in pto…

Customer Question
I have a 2011 maxxforce...
I have a 2011 maxxforce dt engine while running unit in pto mode , engine shuts down to idle,engine light come on, etp does not agree with commanded position,
Submitted: 2 years ago.Category: Medium and Heavy Trucks
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Answered in 16 minutes by:
1/26/2016
Technician: Daniel Wilson,
 replied 2 years ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,884
Experience: Owner at DJ Wilson
Verified

Hi my name is ***** ***** will be glad to help. What are you getting for fault codes logged?

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Customer reply replied 2 years ago

doesn't give me a code number , just tells me the etp does not agree with commanded position

Technician: Daniel Wilson,
 replied 2 years ago

Try this. Push the diagnostic button in with key on water in fuel light will flash twice I think then engine light will flash three times to start code sequence.The code will flash in three numbers.....three flashes, one flash,then five flashes would be code 315.If more than one code is stored they are separated by two flashes of the water in fuel light,when all codes are read WNF light will flash three times. Write down all codes.

Throttle pedal to floor 5 times in 10 secs to erase old codes
it erases ALL codes

Let me know

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Technician: Daniel Wilson,
 replied 2 years ago

Some of the newer models will not display codes unless they were built with that option. Click this link for the procedure . This may or may not work on your 2011. Let me know if you can get code numbers from the display

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Technician: Daniel Wilson,
 replied 2 years ago

Ok that should be

Engine Thottle Position (ETP) does not agree with

commanded position

SPN 51

7

2

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Technician: Daniel Wilson,
 replied 2 years ago

SPN FMI Condition Possible Causes

51 2 ETP feedback signal error • ETP signal fault• ETV failure

51 7 ETP does not agree with command position • Sticking or failed ETV

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Technician: Daniel Wilson,
 replied 2 years ago

ETV Actuator Circuit Check

Connect breakout harness. Leave ETV disconnected. Turn ignition switch to ON. Use EST to monitor signal and DMM to measure voltage during Continuous Monitor test.

Test Point Spec Comment – < Less than, > Greater than

EST - Check DTC SPN 3464FMI 4If SPN 3464 FMI 3, check ETP signal for short to PWR.DMM - Measure volts1 to GND5 V ± 0.5 V If > 5.5 V, check VREF for short to PWR.If < 4.5 V, check VREF for OPEN or short to GND. Go toHarness Resistance Check.EST - Check DTCShort breakout harness across 5and 1SPN 3464FMI 3If SPN 3464 FMI 4, check ETP signal for OPEN. Go toHarness Resistance Check.DMM - Measure volts3 to B+B+ If < B+, check SIG GND for OPEN. Go to HarnessResistance Check.DMM - Measure volts2 to GNDB+ If < B+, check ETV-CL for OPEN or short to GND. Go toHarness Resistance Check.DMM - Measure volts6 to GNDB+ If < B+, check ETV-CH for OPEN or short to GND. Go toHarness Resistance Check.

ETV Actuator Pin-point DiagnosticsConnector Voltage Check

Connect breakout harness. Leave actuator disconnected. Turn ignition switch to ON. Use DMM to measurevoltage.

Test Point Spec Comment – < Less than, > Greater than

3 to GND 0 V If > 0.25 V, check SIG GND for short to PWR.1 to GND 5 V ± 0.5 V If > 5.5 V, check VREF for short to PWR.If < 4.5 V, check VREF for OPEN or short to GND. Go to HarnessResistance Check.5 to GND 0 V If > 0.25 V, check ETP for short to PWR. Go to Harness Resistance Check.2 to GND B+ If < B+, check ETV–CL for OPEN or short to GND. Go to HarnessResistance Check.6 to GND B+ If < B+, check ETV–CH for OPEN or short to GND. Go to HarnessResistance Check.If checks are within speci

cation, go to Connector Resistance Check to GND.

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Technician: Daniel Wilson,
 replied 2 years ago

Hi Frank, Did you get this resolved?

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