M11 Series Engines – Engine Brake — One or More Cylinders Braking with Power Switch Off (CELECT™ or CELECT™ Plus)

Symptom Tree  t038-155

This is symptom tree t038-155
Cause Correction

Electronic fault codes active or high counts of inactive fault codes

Refer to Section TF in the Troubleshooting and Repair Manual CELECT™
Plus System, Bulletin 3666130, or the Troubleshooting and Repair Manual CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084.

 

Engine brake enable circuit is malfunctioning

Check the engine brake enable circuit. Refer to Procedure 019-033 in the Troubleshooting and Repair Manual CELECT™
Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084.

 

Engine brake on/off switch or circuit is malfunctioning

Check the engine brake on/off switch and circuit. Refer to Procedure 019-035 in the Troubleshooting and Repair Manual CELECT™
Plus System, Bulletin 3666130, or the Troubleshooting and Repair Manual CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084.

 

Clutch switch or circuit is malfunctioning

Check the clutch switch adjustment, switch, and circuit. Refer to Procedures 019-009 and 019-010 in the Troubleshooting and Repair Manual CELECT™ Plus System, Bulletin 3666130, or the Troubleshooting and Repair Manual CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084.

 

Throttle position sensor is misadjusted or malfunctioning

Check throttle position sensor for proper adjustment and operation. Refer to Procedures 019-085 and 019-086 in the Troubleshooting and Repair Manual CELECT™ Plus System, Bulletin 3666130, or the Troubleshooting and Repair Manual CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084.

 

Service brake pressure switch or circuit is malfunctioning

Check the service brake pressure switch and circuit. Refer to the OEM service manual.

 

Engine brake adjustment is not correct

Adjust the engine brakes. Refer to Procedure 003-004.

 
Last Modified:  05-Jan-2004