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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-153 DTC P0112: Intake Air Temperature Circuit Low Input (sensor 1) . CIRCUIT OPERATION • Approximately 5 volts are applied to the intake air temperature sensor 1 output terminal (terminal • The intake air temperature sensor 1 is a negative temperature coefficient type of resistor. When the • The intake air temperature sensor 1 output volt- age increases when the resistance increases and . TECHNICAL DESCRIPTION • The intake air temperature sensor 1 converts the intake air temperature to a voltage. • The ECM checks whether this voltage is within a specified range. . AK704241 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 112 113 114 109 108 107 110 111 115 116 106 105 118 117 3 4 2 1 AB 88 89 INTAKE AIR TEMPERATURE ENGINE 4 1 5 V INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT VIOLET BLA CK-BLUE A-07 (MU805110) B-10 AK704234 Connector: A-07 Intake air temperature A-07 (GR) AC AK704235 AB Connector: B-10 ECM B-10 (GR) |