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Engine Control System: Removal & Installation Hyundai Elantra V

Testing & Diagnostics 15 illustrations ~751 words

Removal

Note. In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together (Refer to BUTTON ENGINE START SYSTEM or " BUTTON ENGINE START SYSTEM ").

Scheme 76

Scheme 76: Removal
Scheme 76: Removal

Scheme 77

Scheme 77
Scheme 77
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the ECM Connector (A).
  3. Remove the battery (Refer to " «CHARGING SYSTEM»(ref-587068-S13947781112013112200000) ").
  4. Remove the mounting bolts (A) and a nut (B), and then remove the ECM (C).

Installation

Note. In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together (Refer to or " BUTTON ENGINE START SYSTEM " in BE group).

  1. Installation is reverse of removal. ECM installation bolt: 7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft) ECM bracket installation bolt/nut: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
CAUTIONInstall 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)
  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.

Scheme 78

Scheme 78
Scheme 78
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONInsert the sensor in the installation hole and be careful not to damage when installation.
  1. Installation is reverse 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)
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped.
CAUTIONApply the engine coolant to the O-ring.
CAUTIONInsert the sensor in the installation hole and be careful not to damage.
  1. Installation is reverse of removal. Engine coolant temperature sensor installation: 29.4 ~ 39.2 N.m (3.0 ~ 4.0 kgf.m, 21.7 ~ 28.9 lb-ft)
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
CAUTIONApply the engine oil to the O-ring. Insert the sensor in the installation hole and be careful not to damage.
  1. Installation is reverse of removal. Crankshaft position sensor installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
WARNINGDON'T remove the camshaft position sensor during engine running or right after engine stops, or a scald by the flowed out engine oil may occur.

[Bank 1/Intake]

Scheme 79

Scheme 79
Scheme 79
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the camshaft position sensor connector (B) after removing the clip (A).
  3. Remove the installation bolt (C), and then remove the sensor.

[Bank 1/Exhaust]

Scheme 80

Scheme 80
Scheme 80
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the camshaft position sensor connector (B) after removing the clip (A).
  3. Remove the installation bolt (C), and then remove the sensor.
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONApply the engine oil to the O-ring.
CAUTIONInsert the sensor in the installation hole and be careful not to damage when installation.
CAUTIONBe careful not to damage the sensor housing and the connector. Be careful not to damage the O-ring.
  1. Installation is reverse of removal. Camshaft position sensor installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
CAUTIONInstall 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. Knock sensor installation bolt: 18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

[SULEV]

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the connector (A), and then remove the sensor (B). NOTE: Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1/Sensor 1]

Scheme 81

Scheme 81
Scheme 81

Scheme 82

Scheme 82
Scheme 82

[Bank 1/Sensor 2]

Scheme 83

Scheme 83
Scheme 83

Scheme 84

Scheme 84
Scheme 84

[ULEV]

[Bank 1/Sensor 1]

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the connector (A), and then remove the sensor (B). NOTE: Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

Scheme 85

Scheme 85
Scheme 85

Scheme 86

Scheme 86
Scheme 86

[Bank 1/Sensor 2]

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the console side cover.
  3. Disconnect the connector (A), and then remove the sensor (B). NOTE: Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

Scheme 87

Scheme 87
Scheme 87

Scheme 88

Scheme 88
Scheme 88
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONDON'T use a cleaner, spray, or grease to sensing element and connector of the sensor because oil component in them may malfunction the sensor performance. Sensor and its wiring may be damaged in case of contacting with the exhaust system (Exhaust Manifold, Catalytic Converter, and so on).
  1. Installation is reverse of removal. Heated oxygen sensor installation [SULEV]: 39.2 ~ 49.1 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft) Heated oxygen sensor installation [ULEV]: 39.2 ~ 49.1 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft)
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONInsert the sensor in the installation hole and be careful not to damage when installation.
  1. Installation is reverse of removal.
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONApply the engine oil to the injector O-ring.
CAUTIONInspect the injector O-ring when installing.
  1. Installation is reverse of removal. Delivery pipe installation bolt: 18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONUse care to keep foreign material out of the valve.
  1. Installation is reverse of removal. Purge control solenoid valve bracket installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the CVVT oil control valve connector (A).
  3. Remove the installation bolt (B), and then remove the valve from the engine.

[Bank 1/Intake]

Scheme 89

Scheme 89
Scheme 89

[Bank 1/Exhaust]

Scheme 90

Scheme 90
Scheme 90
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONApply engine oil to the valve O-ring.
  1. Installation is reverse of removal. CVVT oil control valve installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONBe careful of foreign material not to flow into the valve.
  1. Installation is reverse of removal. Variable intake solenoid valve bracket installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
CAUTIONInstall 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.
CAUTIONInstall the component with the specified torques. Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
CAUTIONThe VCM actuator has to be installed at the fully closing position of the VCM valve. If it doesn't, the VCM coupling of the VCM shaft can't be put in the VCM actuator.
  1. Installation is reverse of removal. Variable charge motion actuator installation bolt: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

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