System Operation Description:
The code indicates a warning for low fan speed. The warning will appear if the feedback to the Electronic Control Module (ECM) is not within 300 rpm of the commanded speed. The warning will also appear if communication to the fan has been lost.
Use this procedure in order to troubleshoot the aftertreatment cooling fan or use this procedure if the diagnostic code in Table 1 is active or logged.
Note: The following code may not be applicable for certain applications.
|Diagnostic Trouble Codes|
|CDL Code||J1939 Code||Description
(code descriptions may vary)
|E1190 (3)||5562-1||Aftertreatment Fan Speed – Low||The code is logged if the fan speed is not within 300 rpm of the commanded speed. Also, the code will be logged if communication for the CAN data link is lost between the Electronic Control Module (ECM) and the fan.|
Note: The following schematic is used for Motor Grader Applications
Illustration 1 g03382615
Motor Grader Applications
Note: The following schematic is used for Articulated Truck Applications
Illustration 2 g03382609
Articulated Truck Applications