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QX56 AWD
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Engine Control System - DTCS U1000 To P0308
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DTC P0127: IAT Sensor
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Component Inspection
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Intake Air Temperature Sensor
Intake Air Temperature Sensor
Check resistance between intake air temperature sensor terminals 5 and 6 under the following conditions.
RESISTANCE REFERENCE CHART
Intake air temperature °C (°F)]
Resistance (kΩ)
25 (77)
1.800 - 2.200
If NG, replace mass air flow sensor (with intake air temperature sensor).
Fig 1: Identifying MAF Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Resistance And Temperature Characteristic Graph
Courtesy of NISSAN MOTOR CO., U.S.A.