Mazdaspeed6 L4-2.3L Turbo (2006)
Intake Air Temperature Sensor: Testing and Inspection
Intake Air Temperature (IAT) Sensor Inspection
INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [L3 WITH TC]
Resistance Inspection
NOTE: Perform the following inspection only when directed.
1. Disconnect the MAF/IAT sensor.
2. Measure the resistance between the MAF/IAT sensor terminals D and E using a tester.
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If not as specified, replace the MAF/IAT sensor.
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If the MAF/IAT sensor is normal, but the PID is out of specification, perform the "Circuit Open/Short Inspection".
Specification
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Inspect the following wiring harnesses for an open or short circuit. (Continuity check)
Open circuit
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If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
