Opel Frontera UE. Manual - part 790

6E1–43

X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

6. Push “Reset” of soft key.

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D

F1; Fuel Gauge Level = Not Used

EGR Control Test

This test is conducted check EGR valve for proper
operation.
Tech 2 must be used for this test.
Test Procedure:

1. Connect Tech 2 to the vehicle DLC.
2. Run the Engine at idle.
3. Select F3: Miscellaneous Test in the Application

Menu.

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4. Select F5: EGR Control Test in the Miscellaneous

Test.

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5. Control EGR Valve and check data list.

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6. If the change, the EGR Control is normal.

Injector Balance Test

This test is conducted to make sure the appropriate
electric signals are being sent to injectors Nos. 1–6.
Tech 2 must be used for this test.
Test Procedure:

1. Connect Tech 2 to the vehicle DLC.
2. Run the Engine at idle.

6E1–44

X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

3. Select F3: Miscellaneous Test in the Application

Menu.

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4. Select F6: Injector Balance Test in the Miscellaneous

Test.

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5. Select injector number and push “injector off” of soft

key.

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6. Make sure of engine speed change.
7. If engine speed changes, the injector electric circuit is

normal.
If engine speed does not change, the injector electric
circuit or the injector itself is not normal.

Plotting Snapshot Graph

This test selects several necessary items from the data
list to plot graphs and makes data comparison on a long
term basis. It is an effective test particularly in emission
related evaluations.

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For trouble diagnosis, you can collect graphic data (snap
shot) directly from the vehicle. You can replay the
snapshot data as needed. There fore, accurate diagnosis
is possible, even though the vehicle is not available.

6E1–45

X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

Plotting Graph Flow Chart (Plotting graph after obtaining vehicle information)

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6E1–46

X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

Flow Chart for Snapshot Replay (Plotting Graph)

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