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EC-154 < COMPONENT DIAGNOSIS > [VQ25DE, VQ35DE] P0112, P0113 IAT SENSOR P0112, P0113 IAT SENSOR Description INFOID:0000000003856536 The intake air temperature sensor is built-into the mass air flow sen- <Reference data> *: These data are reference values and are measured between ECM terminals 50 DTC Logic INFOID:0000000003856537 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 5 seconds. 2. Check 1st trip DTC. Is 1st trip DTC detected? YES >> Go to NO >> INSPECTION END PBIA9559J Intake air temperature [ ° C ( ° F)] Voltage* (V) Resistance (k Ω ) 25 (77) 3.3 1.800 - 2.200 80 (176) 1.2 0.283 - 0.359 SEF012P DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0112 Intake air tempera- An excessively low voltage from the sensor is • Harness or connectors (The sensor circuit is open or shorted.) • Intake air temperature sensor P0113 Intake air tempera- An excessively high voltage from the sensor is |