DTC P0112 INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT
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DTC P0112 INTAKE AIR TEMPERATURE CIRCUIT
LOW INPUT
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CHECK CURRENT DATA.
Start the engine.
Read the data of intake air temperature sensor signal
using Vehicle Diagnostic Interface
or the OBD-II general scan tool.
Note
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Vehicle Diagnostic Interface
For detailed operation procedure, refer to the “READ
CURRENT DATA FOR ENGINE”.
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•
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OBD-II general scan tool
For detailed operation procedure, refer to the OBD-II General
Scan Tool Instruction Manual.
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Is the measured value more than 120°C (248°F)?
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Note
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In this case, repair the following:
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Poor contact
in intake air temperature sensor
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Poor contact in ECM
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Poor contact in coupling connector
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Poor contact in joint connector
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CHECK HARNESS BETWEEN INTAKE AIR TEMPERATURE SENSOR AND ECM
CONNECTOR.
Turn the ignition switch to OFF.
Disconnect the connector from intake air temperature
sensor.
Turn the ignition switch to ON.
Read the data of intake air temperature sensor signal
using Vehicle Diagnostic Interface
or the OBD-II general scan tool.
Note
|
•
|
Vehicle Diagnostic Interface
For detailed operation procedure, refer to the “READ
CURRENT DATA FOR ENGINE”.
|
•
|
OBD-II general scan tool
For detailed operation procedure, refer to the OBD-II General
Scan Tool Instruction Manual.
|
Is the measured value less than −40°C
(−40°F)?
Replace the intake air temperature sensor.
Repair ground short circuit in
harness between intake air temperature sensor and ECM connector.