0394409 THERMOSTAT ASSY. JOHNSON
CJ275TLCDC, CJ275TLCOS, CJ300TLCDC, CJ300TLCOS, J120TLAEM, J120TLASB, J120TLCCA, J120TLCDC, J120TLCOS, J120TLCUR, J125ESXESS, J125ESXW, J140CXCCS, J140CXCEC, J140CXESR, J140TLCDC, J140TLCOS, J140TLCUA, J185ESXESS, J185ESXW, J200CXCCR, J200CXCEA, J200
THERMOSTAT
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Compatible models:
CJ275TLCDC
CJ275TLCOS
CJ300TLCDC
CJ300TLCOS
J120TLAEM
J120TLASB
J120TLCCA
J120TLCDC
J120TLCOS
J120TLCUR
J125ESXESS
J125ESXW
J140CXCCS
J140CXCEC
J140CXESR
J140TLCDC
J140TLCOS
J140TLCUA
J185ESXESS
J185ESXW
J200CXCCR
J200CXCEA
J200CXESM
J200STLCDR
J200STLCUA
J225CLCUB
J225CXCCE
J225CXCED
J225CXESS
J225PTLCDA
J275CLCUR
J275CXCCA
J300CLCUR
J300CXCCA
J300CXCEM
J300CXESB
J60ELCEA
J60ELESM
J65WMLCUA
J65WMLESM
J65WMLZ
J70ELCCA
J70ELCDC
J70ELCEM
J70ELCUR
J70ELESB
N65WMLM
JOHNSON
BRP JOHNSON entire parts catalog list:
- CYLINDER & CRANKCASE » 0394409
CJ300TLCDC, CJ300TXCDC, J300TLCDC, J300TXCDC 1986
CJ300TLCOS, CJ300TXCOS, J300TLCOS, J300TXCOS 1985
J120TLAEM, J120TLCEM, J120TXCEM, TJ120TXCEM 1989
J120TLASB, J120TLESB, J120TXESB, VJ120TLASB, VJ120TLESB, VJ120TXESB 1990
J120TLCCA, J120TXCCA 1988
J120TLCDC, J120TXCDC 1986
J120TLCOS, J120TXCOS 1985
J120TLCUR, J120TXCUR 1987
J125ESXESS 1990
J125ESXW 1989
J140CXCCS, J140TLCCM, J140TXCCM 1988
J140CXCEC, J140TLAEB, J140TLCEB, J140TXCEB 1989
J140CXESR, J140TLASE, J140TLESE, J140TXESE, VJ140TLASE, VJ140TLESE, VJ140TXESE 1990
J140TLCDC, J140TXCDC 1986
J140TLCOS, J140TXCOS 1985
J140TLCUA, J140TXCUA 1987
J185ESXESS 1990
J185ESXW 1989
J200CXCCR, J200STLACM, J200STLCCM, J200TXCCR 1988
J200CXCEA, J200STLCEB, J200TXCEA, TJ200TXCEA 1989
J200CXESM, J200STLESE, J200TXESM, VJ200SLESE, VJ200TXESM 1990
J200STLCDR, J200TXCDS 1986
J200STLCUA, J200TXCUC 1987
J225CLCUB, J225CXCUB, J225PLCUB, J225PXCUB, J225TLCUB, J225TXCUB 1987
J225CXCCE, J225PLCCE, J225PXCCE, J225TLCCE, J225TXCCE 1988
J225CXCED, J225PLAED, J225PLCED, J225PXCED, J225TLAED, J225TLCED, J225TXCED 1989
J225CXESS, J225PLASS, J225PLESS, J225PXESS, J225TLASS, J225TLESS, J225TXESS, VJ225PLESS, VJ225PXESS, VJ225TLASS, VJ225TLESS, VJ225TXESS 1990
J225PTLCDA, J225PTXCDA, J225TLCDA, J225TXCDA 1986
J275CLCUR, J275CXCUR, J275PLCUR, J275PXCUR 1987
J275CXCCA, J275PLCCA, J275PXCCA 1988
J300CLCUR, J300CXCUR, J300PLCUR, J300PXCUR 1987
J300CXCCA, J300PLCCA, J300PXCCA 1988
J300CXCEM, J300PLCEM, J300PXCEM 1989
J300CXESB, J300PLESB, J300PXESB 1990
J60ELCEA, J60TLCEA, J60TTLCEA, TJ60TLCEA, TJ60TLESF 1989
J60ELESM, J60TLESM, J60TTLESM, TJ60TLESF, TJ60TLESM, VJ60ELESM, VJ60TLESM 1990
J65WMLCUA 1987
J65WMLESM 1990
J65WMLZ 1989
J70ELCCA, J70TLCCA 1988
J70ELCDC, J70TLCDC 1986
J70ELCEM, J70TLCEM, TJ70TLCEM, TJ70TLESF 1989
J70ELCUR, J70TLCUR 1987
J70ELESB, J70TLESB, TJ70TLESB, TJ70TLESF, VJ70ELESB, VJ70TLESB 1990
N65WMLM 1988
Information:
Table 1
J1939 Code and Description CDL Code and Description Comments
174-0
Engine Fuel Temperature 1 : High - most severe (3) E363 (3)
High Fuel Supply Temperature The fuel temperature sensor on the secondary filter head is higher than expected.
174-15
Engine Fuel Temperature 1 : High - least severe (1) E363 (1)
High Fuel Supply Temperature The fuel temperature sensor on the secondary filter head is higher than expected.
174-16
Engine Fuel Temperature 1 : High - moderate severity (2) E363 (2)
High Fuel Supply Temperature The fuel temperature sensor on the secondary filter head is higher than expected.
3468-0
Engine Fuel Temperature 2 : High - most severe (3) E770 (3)
High Fuel Rail Temperature The fuel temperature sensor on the high-pressure fuel pump is higher than expected.
3468-15
Engine Fuel Temperature 2 : High - least severe (1) E770 (1)
High Fuel Rail Temperature The fuel temperature sensor on the high-pressure fuel pump is higher than expected.
3468-16
Engine Fuel Temperature 2 : High - moderate severity (2) E770 (2)
High Fuel Rail Temperature The fuel temperature sensor on the high-pressure fuel pump is higher than expected.
Table 2
Associated Codes
J1939 Code CDL Code Troubleshooting Procedure
174-3 174-3 Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
174-4 174-4 Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
1077-11 1684-11 Troubleshooting, "Fuel Injection Pump Circuit - Test"
1077-12 1684-12 Troubleshooting, "Fuel Injection Pump Circuit - Test"
3468-3 2323-3 Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
3468-4 2323-4 Troubleshooting, "Sensor Signal (Analog, Passive) - Test" If high fuel temperature shuts down the engine, cycle the power to the engine Electronic Control Module (ECM) to restart.Probable Causes
Codes
Fuel level
SensorRecommended Actions
Table 3
Troubleshooting Test Step Value Result
1. Check for Codes
A. Connect Cat ® Electronic Technician (ET) to the service tool connector.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: An E363 or 174 code is active or logged.
Proceed to Test Step 2.
Result: An E770 or 3468 code is active or logged.
Proceed to Test Step 4.
2. Check the Fuel Tank Level
A. Turn the keyswitch to the OFF position.
B. Visually inspect the fuel level to make sure that the tank level is not too low.
Fuel Level
Result: The fuel level is not low.
Proceed to Test Step 3.
Result: The fuel level is low.
Proceed to Test Step 5.
3. Replace the Fuel Temperature Sensor on the Secondary Filter Head
A. Turn the keyswitch to the OFF position.
B. Replace the fuel temperature sensor on the secondary filter head.
Sensor
Result: The fuel temperature sensor on the secondary filter head was replaced.
Proceed to Test Step 5.
4. Replace the Fuel Rail Temperature Sensor
A. Connect Cat ET.
B. Release the pressure in the high-pressure rail by loosening the end plug on one of the last two fuel accumulators. Refer to Testing and Adjusting, "Fuel Rail Pressure - Release" for instructions on how to release the pressurized fuel.
C. Use Cat ET to monitor the following pressure:
- "Fuel Rail Pressure"
Note: The "Fuel Rail Pressure" should read 0 8 MPa (0 1160 psi).
D. Replace the fuel rail temperature sensor.
Sensor
Result: The fuel rail temperature sensor was replaced.
Proceed to Test Step 5.
5. Check for Codes
A. Start the engine.
B. Run the engine to run until normal operating temperature is reached.
C. Connect Cat ET.
D. Use Cat ET to monitor the following:
- Codes
Codes
Result: A code is not active.
Return to service.
Result: An E770 or 3468 code is active.
Repair: A failed high-pressure fuel pump has been detected.
1. Release the pressure in the high-pressure rail by loosening the end plug on one of the last two fuel accumulators. Refer to Testing and Adjusting, "Fuel Rail Pressure - Release" for instructions on how to release the pressurized fuel.
2. Use Cat ET to monitor the following pressure:
- "Fuel Rail Pressure"
Note: The "Fuel Rail Pressure" should read 0 8 MPa (0 1160 psi).
3. Replace the high-pressure fuel pump.
Verify that the repair eliminated the problem.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).