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Hello can you help .we have a 315c excavator the hydraulics seem to put to much strain on the engine we have replaced the hyd pump proportional valve sis shows engine hydraulic ecm error could this cause the problem

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Answered in 3 hours by:
4/23/2016
Mechanic: catmastertech, Technician replied 6 years ago
catmastertech
catmastertech, Technician
Category: Construction and Road Equipment
Satisfied Customers: 3,965
Experience: Field service technician for CAT 19 years.
Verified
Hello,The 315C does not normally have any electronic controllers and do not normally give codes related to engine electrical issues.You do have a hydraulic electronic controller (ECM) and this can record electrical issues with the machine. It is never a problem with the controller (ECM) the code is indicating a problem with the machine electronics. The only time you should be concerned about the ECM is when the red LED light is on. This is located on the ECM's front cover along with a green and yellow LED. The green light means the ECM is powered and the yellow light means the ECM cannot communicate with the monitor.Only the RED LED indicates a failed ECM controller. You can use CAT ET service program to view the codes or the monitor can also be used to view the codes.If you have a manual, follow the troubleshooting section and read about retrieving the active and logged codes.If you can access them, please list all the codes found and post the full machine serial number with your reply.Please include details about your repair experience and this machine's recent repair history.I would like to know how much of this repair you will be doing and any other recent problems with this machine.
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Customer reply replied 6 years ago
315 serial no ANF00298 machine shows engine ecm error on hyd ecm and injector pump error on engine ecm . engine starts easy and sounds good there was a code which when cheked says fault unidentifiable any ideas ?
Mechanic: catmastertech, Technician replied 6 years ago
Thanks for the serial number, I see this machine has the 3054E engine and it does have an engine ECM.Many times I find the C model machines doe not send ECM codes from the engine ECM to the Machine ECM so, the only way to view the codes is to connect CAT ET and read them through that software. If the engine has a diagnostic plug at the engine ECM, a J1939 reader may view the codes but, they could be different from CAT CDL codes.Without knowing the code I can only suggest checking fuel flows and filters. Most problems I have found with this fuel system that report a code are also causing the engine to only idle or not even start. The engine fault could be any of the following:Diagnostic Code Cross ReferenceCDL Code Description 3rd Party Device J1939 Code Flash Code 0041-03 8 Volt DC Supply voltage above normal 678-03 517 0041-04 8 Volt DC Supply voltage below normal 678-04 517 0091-02 Throttle Position Sensor erratic, intermittent, or incorrect 91-02 154 0091-03 Throttle Position Sensor voltage above normal 91-03 154 0091-04 Throttle Position Sensor voltage below normal 91-04 154 0091-08 Throttle Position Sensor abnormal frequency, pulse width, or period 91-08 154 0091-12 Accelerator pedal - power supply failure 91-08 154 0100-03 Engine Oil Pressure Sensor voltage above normal 100-03 157 0100-04 Engine Oil Pressure Sensor voltage below normal 100-04 157 0100-10 Engine Oil Pressure Sensor abnormal rate of change 100-10 157 0102-03 Boost Pressure Sensor voltage above normal 102-03 135 0102-04 Boost Pressure Sensor voltage below normal 102-04 135 0102-10 Boost Pressure Sensor abnormal rate of change 102-10 135 0105-03 Inlet Manifold Temperature Sensor voltage above normal 105-03 133 0105-04 Inlet Manifold Temperature Sensor voltage below normal 105-04 133 0110-03 Engine Coolant Temperature Sensor voltage below normal 110-03 168 0110-04 Engine Coolant Temperature Sensor voltage below normal 110-04 168 0174-02 Fuel Temperature Sensor erratic, intermittent, or incorrect 174-02 165 0247-09 SAE J1939 Data Link abnormal update rate 639-09 514 0253-02 Personality Module erratic, intermittent, or incorrect 631-02 415 0262-03 5 Volt Sensor DC Power Supply voltage above normal 1079-03 516 0262-04 5 Volt Sensor DC Power Supply voltage below normal 1079-04 516 0320-02 Speed/Timing Sensor Loss of Signal 637-02 141 0320-11 Speed/Timing Sensor mechanical failure 637-11 141 0342-02 Secondary Engine Speed Sensor erratic, intermittent, or incorrect 723-02 142 0774-02 Secondary Throttle Position Sensor erratic, intermittent, or incorrect 29-02 155 0774-03 Secondary Throttle Position Sensor voltage above normal 29-03 155 0774-04 Secondary Throttle Position Sensor voltage below normal 29-04 155 0774-08 Secondary Throttle Position Sensor abnormal frequency, pulse width, or period 29-08 155 0774-12 Secondary Throttle Position Sensor failure 29-12 155 1627-03 Fuel Pump Relay voltage above normal 1077-03 187 1684-00 Fuel Injection Pump high - most severe (3) 1077-00 158 1684-02 Fuel Injection Pump low - most severe (3) 1077-02 158 1684-03 Fuel Injection Pump voltage above normal 1077-03 158 1684-04 Fuel Injection Pump voltage below normal 1077-04 158 1684-05 Fuel Injection Pump current below normal 1077-05 158 1684-07 Fuel Injection Pump not responding properly 1077-07 158 1684-08 Fuel Injection Pump abnormal frequency, pulse width, or period 1077-08 158 1684-09 Fuel Injection Pump abnormal update rate 1077-09 158 1684-10 Fuel Injection Pump abnormal rate of change 1077-10 158 1684-11 Fuel Injection Pump other failure mode 1077-11 158 1684-12 Fuel Injection Pump failure 1077-12 158 1684-14 Fuel Injection Pump special instruction 1077-14 158 1743-02 Engine Operation Mode Selector Switch erratic, intermittent, or incorrect 2882-02 144 1894-02 Cruise Control Disengage Switch erratic, intermittent, or incorrect 2897-02 427 1895-02 Cruise Control Speed Toggle Switch erratic, intermittent, or incorrect 597-02 428 Event Codes E015 High Engine Coolant Temperature Derate 110-16 168 E016 High Engine Coolant Temperature Shutdown 110-00 168 E017 High Engine Coolant Temperature Warning 110-15 168 E025 High Intake Air Temperature Derate 105-16 133 E027 High Intake Air Temperature Warning 105-15 133 E040 Low Engine Oil Pressure Shutdown 100-01 157 E054 High Fuel Temperature Derate 174-16 165 E056 High Fuel Temperature Warning 174-15 165 E100 Low Engine Oil Pressure Warning 100-17 157 E190 Engine Overspeed Warning 190-15 141 How are you viewing the codes?Do you have CAT ET?Do you have any of service manuals?Do you normally repair your own fuel systems?Have you made any recent repairs to this machine?
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Customer reply replied 6 years ago
Hello we have the following fault codes on engine ecm we have 1684-11 fuel injection pump: other failure mode. Then on hyd pump control ecm we have a code 590-12 engine control module failure we used et to establish above. we feel engine power low. hyd ecm has green light We have cat ET,We have service manuals,We repair all our own systems,Engine reconed 1568 hrs ago injectors were replaced but injector pump was not replaced thank you hope you can help.
Mechanic: catmastertech, Technician replied 6 years ago
The 590-12 code is just telling you the engine ECM has a fault code present. It does not mean the ECM is failing.I have seen this code (1684-11) appear when the fuel supply has air in it or is restricted.Verify the fuel system does not have air in it then follow the Fuel Injection Pump Circuit - Test to see if the issue is due to a harness problem.I have seen this once. More often this is the injection pump and it will likely need replacing.Be sure to set the pump timing before removing the pump. Please let me know if I can help you further. Thanks, catmastertech
catmastertech
catmastertech, Technician
Category: Construction and Road Equipment
Satisfied Customers: 3,965
Experience: Field service technician for CAT 19 years.
Verified
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