2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 176Get this manual
accessory output is off The following tasks are performed in this order by the MPEM in the diagnosticcalibration mode: Task 1: Indicator lights testTask 2: Clutch modulator calibrationTask 3: Sensors and solenoids verificationTask 4: GBPS (Gear Box Position Sensor) calibration
The LED "Check Engine" blinks for maximum time of seconds or until the user begins the calibration process or removes the jumper
Task 5: STPS (Sub-Transmission Position Sensor) calibration Task 6: TPS (Throttle Position Sensor) calibration (model with AUTOSHIFT mode only)See below for detailed stepsOnce each task has been completed, the MPEM goes to the next task if the proper button(s) is(are) not activated after seconds