2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 282Get this manual
FUEL INJECTION SYSTEM Fault code No13 Diagnostic code Nod03 Intake air pressure sensor Check or maintenance job Check the coupler for any pins that may be pulled out Check the locking condition of the coupler If there is malfunction, repair it and connect the coupler securely Repair or replace if there is an open or short circuit Between intake air pressure sensor coupler and ECU coupler (blackblueblackblue) (pinkpink) (blueblue) Execute the diagnostic mode(Code No.d03) Replace if defectiveRefer to "CHECKING THE INTAKE AIR PRESSURE SENSOR"