YH4
GRAND
VITARA
1. IAT sensor
ENGINE DIAGNOSIS (G16/J20 ENGINES) 6-47
DTC P0110 (DTC No.23, 25) INTAKE AIR TEMP. (IAT) CIRCUIT MALFUNCTION
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION TROUBLE AREA
Following conditions are detected.
D Engine running
D High intake air temperature or low temperature
(Low voltage – Low resistance or High voltage –
High resistance)
D IAT sensor circuit short
D IAT sensor
D ECM (PCM)
DTC CONFIRMATION PROCEDURE
1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and run engine
at idle speed and engine coolant temp. 110_C, 230_F or lower for 10 sec. or more.
3) Check DTC and pending DTC by using scan tool.
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