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Cummins ISX11.9 CM2250 – Service Manual PTO or Cruise Control Does Not Operate

Symptom Tree  t112

This is symptom tree t112
Cause Correction

Programmable parameters or selected features are not correct

Check the programmable parameters and the selected features with an electronic service tool. Set the parameters and features again, if necessary. Refer to
Procedure 019-078 in Section 19
.

 

Electronic control module (ECM) calibration is malfunctioning

Verify that the electronic control module (ECM) calibration is correct. Check the calibration revision history for applicable fixes to the calibration stored in the ECM. Refer to the calibration history spreadsheet Click here to see ecm_calibration_rev_history.xls

on QuickServe™ Online Internet Website or the INCAL™ calibration CD. Compare the calibration stored in the ECM with the engine rating and the Control Parts List (CPL), Bulletin 4021328. If necessary, calibrate the ECM. Refer to
Procedure 019-032 in Section 19
.

 

Vehicle speed sensor (VSS) or circuit is malfunctioning

Check the vehicle speed sensor and circuit. Refer to Procedure 019-091 and
Procedure 019-093 in Section 19.

 

Clutch switch or circuit is malfunctioning

Check the clutch switch adjustment, switch, and circuit.

 

Engine brake on/off switch or circuit is malfunctioning

Check the engine brake on/off switch and circuit. Refer to Procedure 019-034 and
Procedure 019-035 in Section 19.

 

Vehicle brake switch or circuit is malfunctioning

Check the vehicle brake switch and circuit. Refer to Procedure 019-088 and Procedure 019-089 in Section 19.

 

Cruise control/PTO on/off switch or circuit is malfunctioning

Check the cruise control/PTO on/off switch and the circuit. Refer to Procedure 019-021 and
Procedure 019-022 in Section 19.

 

Cruise control/PTO selector switch or circuit is malfunctioning

Check the cruise control/PTO selector switch and circuit. Refer to Procedure 019-023 and
Procedure 019-024 in Section 19.

 
Last Modified:  09-Jul-2010