Hyundai Sonata LF: Engine Control System / Manifold Absolute Pressure Sensor (MAPS) Repair procedures
| 1. |
Connect the GDS on the Data Link Connector (DLC). |
| 2. |
Measure the output voltage of the MAPS at idle and IG ON.
Specification: Refer to "Specification"
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the manifold absolute pressure sensor connector (A). |
| 3. |
Remove the installation bolt (B), and then remove the sensor from the surge tank. 
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Install the component with the specified torques. |
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Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing. |
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Insert the sensor in the installation hole and be careful not to damage.
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| 1. |
Install in the reverse order of removal.
Manifold absolute pressure sensor installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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Description
Intake Air Temperature Sensor (IATS) is included inside
Manifold Absolute Pressure Sensor and detects the intake air
temperature.
To calculate precise air quantity, correction of the air
temperature is needed because air density varies according to the
temperature...
Other information:
C..
Troubleshooting
Problem Symptoms Table
Use the table below to help you find the cause of the
problem. The numbers indicate the priority of the like cause of the
problem. Check each part in order.
If necessary, replace these parts.
SymptomSuspect AreaReferenceLower pedal or spongy pedal1...
Intake Air Temperature Sensor (IATS) Description and Operation