Hyundai Elantra: Engine Control System / ETC (Electronic Throttle Control) System Repair procedures
| Throttle Position Sensor (TPS) |
| 1. |
Connect the GDS on the Data Link Connector (DLC). |
| 2. |
Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T.
Throttle Angle
| Output Voltage (V)
| TPS 1
| TPS 2
| C.T
| 0.5
| 4.5
| W.O.T
| 4.41
| 0.59
|
|
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the ETC module connector. |
| 3. |
Measure resistance between the ETC module terminals 1 and 2. |
| 4. |
Check that the resistance is within the specification.
Specification : Refer to "Specification"
|
|
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Remove the resonator and the air intake hose.
(Refer to Engine Mechanical System - "Air Cleaner") |
| 3. |
Disconnect the ETC module connector (A). 
|
| 4. |
Disconnect the coolant hoses (A). |
| 5. |
Remove the installation bolts (B), and then remove the ETC module from the engine. 
|
| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
|
|
| 1. |
Installation is reverse of removal.
Electronic throttle body Installation bolt :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)
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Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density
type sensor and is installed on the surge tank. It senses absolute
pressure of the surge tank and transfers the analog si ...
ETC (Electronic Throttle Control) System Schematic Diagrams
Manifold Absolute Pressure Sensor (MAPS) Description and Operation