1C
MAF and IAT Sensor Inspection
1) Disconnect negative (–) cable at battery.
2) Disconnect connector from MAF and IAT sensor (1).
3) Measure resistance between sensor terminals for IAT.
If resistance is out of specification, replace MAF and IAT sensor.
External air temperature sensor resistance
Temperature °C (°F) Resistance (Ω)
20 (68) 2353 – 2544
40 (104) 1114 – 1186
60 (140) 568.9 – 597.4