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DTC P0127 IAT SENSOR EC-1371 [VG33ER] C D E F G H I J K L M A EC b. Select “DATA MONITOR” mode with CONSULT-II. c. Check the engine coolant temperature. d. If the engine coolant temperature is not less than 90 °C (194°F), turn ignition switch OFF and cool down engine. ● Perform the following steps before engine coolant temperature °C (194°F). 2. Turn ignition switch ON. 3. Select “DATA MONITOR” mode with CONSULT-II. 4. Start engine. 5. Hold vehicle speed at more than 70 km/h (43 MPH) for 100 con- 6. If 1st trip DTC is detected, go to EC-1371, "Diagnostic Procedure" . WITH GST Follow the procedure “WITH CONSULT-II”. Diagnostic Procedure UBS00DUQ 1. CHECK INTAKE AIR TEMPERATURE SENSOR Refer to EC-1371, "Component Inspection" OK or NG OK >> GO TO 2. NG >> Replace intake air temperature sensor. 2. CHECK INTERMITTENT INCIDENT Refer to EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END. Component Inspection UBS00DUR INTAKE AIR TEMPERATURE SENSOR 1. Check resistance as shown in the figure. <Reference data> SEF176Y SEF947Q Intake air temperature °C (°F) Resistance k Ω 20 (68) 2.1 - 2.9 80 (176) 0.27 - 038 SEF012P |