Diagnostic Aids
The humidity sensor and the IAT Sensor 2 signals are sent to the ECM on the same circuit. If the IAT Sensor 2 parameter displays the values: 10Hz; -40°C (-40°F), and there are also Humidity Sensor DTCs , check for a circuit problem.
The humidity sensor and the IAT Sensor 2 signals are sent to the ECM on the same circuit. If the IAT Sensor 2 parameter displays the values: 10Hz; -40°C (-40°F), and there are also Humidity Sensor DTCs , check for a circuit problem.