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Nissan-Datsun
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2009
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Versa Base, Automatic
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Repair and Diagnosis
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Engine Control System - DTCS U1000 To P0171
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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 (1) terminals 5 and 6 under the following conditions.
RESISTANCE REFERENCE CHART
Intake air temperature °C (°F)
Resistance kΩ
25 (77)
1.800 - 2.200
Fig 1: Identifying Mass Air Flow Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace mass air flow sensor (with intake air temperature sensor).
Fig 2: Engine Coolant Temperature Resistance Graph
Courtesy of NISSAN MOTOR CO., U.S.A.