Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1243

6E1–48

RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

6. Push “Decrease” or “Increase” of soft key.

060RX030

7. Control Fuel Level and check data list.
8. If data list changes, the Fuel Gauge Level is normal.
9. Select F0: Fuel Trim Reset.

060RX028

10. Push “Reset” of soft key.

060RX029

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.

060R100078

6E1–49

RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

4. Select F5: EGR Control Test in the Miscellaneous

Test.

060RX054

5. Control EGR Valve and check data list.

060RX017

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.

3. Select F3: Miscellaneous Test in the Application

Menu.

060R100078

4. Select F6: Injector Balance Test in the Miscellaneous

Test.

060RX055

6E1–50

RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

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

key.

060RW230–1

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.

060RX037

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.

6E1–51

RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION

System Check at Tech 2

060R100086

General Description

1. Turn on the ignition and check the check engine lamp.

If it is not turned on, execute Miscellaneous Test at
Tech 2. (Refer to “Miscellaneous Test”) And if
problems are found, repair a blown bulb or a short
circuit.

2. Ignition on, engine on. Check flashing check engine

lamp. If it keep flashing, Check Diagnosis trouble
code (DTC) at Tech 2

CHECK POINT:

D

Kind of DTC

D

Which is current DTC or history.

D

Recording freeze frame data in Tech 2.

D

DTC history

D

“F1: MIL SVS or Message Request” at Tech 2

D

DTC at Current ignition cycle

3. When the lamp don’t turn on, Check a DTC at Tech 2

too.

CHECK POINT:

D

Kind of DTC

D

Which is current DTC or history.

D

Recording freeze frame data in Tech 2.

D

DTC history

D

“F3: Test Failed Since Code Cleared” at Tech 2.

D

DTC at Current ignition cycle