AMMETER 6V4910 - Caterpillar

The Electronic Control Module (ECM) records one of the following conditions. The Oil Pressure Sensor never calibrated. The oil pressure is greater than 27 kPa (4 psi) from the atmospheric pressure. The ECM reads oil pressure less than 35 kPa (5 psi). The oil pressure is greater than 130 kPa (19 psi). The oil pressure changes more than 25 kPa (3.6 psi) during a calibration attempt. The diagnostics 274-03 or 274-04 are active.System Response:The CID-FMI may be viewed on a display module or the Caterpillar Electronic Technician (ET). The diagnostic codes are active. The diagnostic codes are not logged in memory.Test Step 1. Perform the following diagnostic procedure: "Analog Sensor - Calibrate"Results:
OK - STOP
REPAIRED, OK - STOP