Transcription
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch locationPage 1 of 6SB-10041401-2632Countries:AUSTRALIA, BRAZIL, CANADA, UNITED STATES, DocumentMEXICO, SOUTH AFRICAID:Availability:ISIS, FleetISIS, Body BuilderRevision :3Major System:TRANSMISSIONCreated :4/20/2012CurrentLanguage:EnglishLastModified :4/28/2012OtherLanguages:Français, s InfoCoding InformationHide DetailsCopy LinkCopy Relative LinkBookmarkAdd to FavoritesPrintProvide FeedbackView My BookmarksHelpfulNot Helpful7587Title: Eaton Code 21 circuit operation,diagnosis and switch locationApplies To: Auto Neutral Park Brake SwitchDESCRIPTIONThe Auto Neutral Park Brake switch is a normally closed switch, when the park brake is off you should have less than .4ohms between TCM pins 19 and 33. The switch will be open when the park brake is on.When park brake is applied while the transmission is in drive :- The switch opens the circuit to the TCM- Shifter will display "AN" and TCM will shift to neutral- Shifter will continue to display "AN" until the park brake is released. To clear "AN" from the display the driver must shift toNeutral and then to Drive.This is a hardwired circuit from the switch to TCM pins 19 and 33. If a problem is suspected in this circuit monitor ParkBrake Switch Status using Service Ranger and refer to the circuit diagram below.Connector 1814 Terminal #'s 3594831C1 - Seal/Sleeve 1661872C1- Connector 1661777C1 -Body lock 1661873C1POSSIBLE DIAGNOSTIC TROUBLE CODESDTCSPNFMIMODULEDESCRIPTION217014TCMAuto Neutral Park Brake SwitchPARTS INFORMATIONPart #DescriptionQty.2035007C2.Auto Neutral Park Brake Switch1CIRCUIT ervice kb/DocTool/ArticleViewer.aspx?ControlI.4/30/2012
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch locationPage 2 of 6Prostar/Lonestar location outside e kb/DocTool/ArticleViewer.aspx?ControlI.4/30/2012
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch ervice kb/DocTool/ArticleViewer.aspx?ControlI.Page 3 of 64/30/2012
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch locationPage 4 of 6TRANSSTAR Location inside cab, Above vice kb/DocTool/ArticleViewer.aspx?ControlI.4/30/2012
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch ervice kb/DocTool/ArticleViewer.aspx?ControlI.Page 5 of 64/30/2012
IK1300124 - Eaton Code 21 circuit operation,diagnosis and switch locationHide DetailsPage 6 of 6Feedback InformationViewed:330Helpful:75Not Helpful: 87No Feedback FoundCopyright 2012 Navistar, ce kb/DocTool/ArticleViewer.aspx?ControlI.4/30/2012
The Auto Neutral Park Brake switch is a normally closed switch, when the park brake is off you should have less than .4 ohms between TCM pins 19 and 33. The switch will be open when the park brake is on. When park brake is applied while the transmission is in drive : - The switch opens the circuit to the TCM
