Humidity Sensor Replacement

Fig 1: Humidity Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Mass Airflow Sensor with Intake Air Temperature Sensor Fasteners (Qty: 2) CAUTION: Refer to Fastener Caution . Procedure Disconnect the harness connector from the sensor. Tighten 8 (71 lb in)
2	Mass Airflow Sensor with Intake Air Temperature Sensor Procedure Disconnect the electrical connector. If the scan tool DPF Soot Mass is less than 30 grams, enable the DPF. Refer to Diesel Particulate Filter (DPF) Regeneration Enable . If the scan tool DPF Soot Mass is 30 grams or greater. Refer to Diesel Particulate Filter (DPF) Service Regeneration .

Callout

Component Name

Mass Airflow Sensor with Intake Air Temperature Sensor Fasteners (Qty: 2)

CAUTION:

Procedure
Disconnect the harness connector from the sensor.
Tighten
8 (71 lb in)

Mass Airflow Sensor with Intake Air Temperature Sensor

Procedure

Disconnect the electrical connector.
If the scan tool DPF Soot Mass is less than 30 grams, enable the DPF. Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
If the scan tool DPF Soot Mass is 30 grams or greater. Refer to Diesel Particulate Filter (DPF) Service Regeneration .