Group 28 Troubleshooting MID 128 PID 354 Relative Humidity 30 Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause:
FMI 3 • Voltage above normal or shorted to high source • Short to battery in the metering circuit of the Relative Humidity Sensor • Open in the ground circuit of the Relative Humidity Sensor • Turbocharger noise • Malfunction indicator lamp illuminated • Faulty connector • Faulty Relative Humidity Sensor harness • Faulty Relative Humidity Sensor FMI 5 • Current below normal or open circuit • Open in the metering circuit of the Relative Humidity Sensor • Open in the 5 volt supply circuit of the Relative Humidity Sensor • Short to ground in the metering circuit of the Relative Humidity Sensor • Turbocharger noise • Malfunction indicator lamp illuminated • Faulty connector • Faulty Relative Humidity Sensor harness • Faulty Relative Humidity Sensor