CUMMINS N14 - Engine Brake - Does Not Operate

Engine Brake - Does Not Operate
Cause Corrections
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• Electronic Fault Codes Active
• High Counts of Inactive Fault Codes
OK
f
Refer to N14 CELECT™ System Trouble-
shooting and Repair Manual, Bulletin No.
3810469.
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Fuse Blown or Power Supply Connec-
tion Loose
OK
f
Check brake power supply fuse and power
supply connection. Refer to the C-Brake
Troubleshooting and Repair Manual, Bulletin
No. 3810473.
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Engine Brake Circuit Malfunctioning
• Engine Brake Enable Circuit
• On/Off Switch Circuit
• Clutch Switch Circuit
• Throttle Switch Circuit
• Service Brake Pressure Switch Circuit
OK
f
Check engine brake circuits. Refer to the
following procedures in the N14 CELECT™
System Troubleshooting and Repair Manual,
Bulletin No. 3810469:
• Enable 3-03
• On/Off Switch 2-13
• Clutch Switch 2-07
• Throttle Switch
• Service Brake Pressure Switch 2-06
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Engine Electrical Grounding Malfunctioning
OK
f
Check engine ground to chassis and
chassis ground to battery negative
post.
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Filter Screen at Solenoid Valve
Covered With Debris or Solenoid Valve
Defective
Remove solenoid valve and clean or replace
screen. Check for voltage at solenoid valve.
Refer to the C-Brake Troubleshooting and
Repair Manual, Bulletin No. 3810473.
SectionT-Troubleshooting Troubleshooting Symptoms Charts
N14 Page T-25