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IAT sensor
6-46 ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10)
DTC P0110 INTAKE AIR TEMP. (IAT) CIRCUIT MALFUNCTION
CIRCUIT DESCRIPTION
DTC DETECTING CONDITION POSSIBLE CAUSE
D Low intake air temperature (High voltage-High resistance)
or
D High intake air temperature (Low voltage-Low resistance)
D “Gr” circuit open or shorted to power
D “G” circuit open
D IAT sensor malfunction
D ECM (PCM) malfunction
NOTE:
D When DTC P0105, P0110, P0115 and P0120 are indicated together, it is possible that “G” circuit is open.
D Before inspecting, be sure to check that ambient temperature is higher than –40_C (–40_F).
DTC CONFIRMATION PROCEDURE
1) Clear DTC, start engine and keep it at idle for 1 min.
2) Select “DTC” mode no scan tool and check DTC.
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