ISUZU AXIOM 2002 Service Repair Manual

6E±44
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Not Run Since Code Cleared
This option will display up to DTCs that have not run since
the DTCs were last cleared. Since any displayed DTCs
have not run, their condition (passing or failing) is
unknown.
Test Failed Since Code Cleared
This selection will display all active and history DTCs that
have reported a test failure since the last time DTCs were
cleared. DTCs that last failed more than 40 warm-up
cycles before this option is selected will not be displayed.
Miscellaneous Test
This test consists of eight menus-Lights, Relays, EVAP,
Fuel System, Instruments, EGR Control, Variable Intake
Manifold Solenoid, and Injector Balance Tests.
In these tests, Tech 2 sends operating signals to the
systems to confirm their operations thereby to judge the
normality of electric circuits.
To judge intermittent trouble,
1. Confirm DTC freeze frame data, and match the
freeze frame data as test conditions with the data list
displayed by Miscellaneous Test.
2. Confirm DTC setting conditions, and match the
setting conditions as test conditions with the data list
displayed by Miscellaneous Test.
3. Refer to the latest Service Bulletin.
Check to see if the Latest software is released or not.
Down load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Lamps Test
This test is conducted check MIL, Up Shift Lamp, Low
Fuel Lamp, Reduced Power Lamp and Cruise Control
Lamp for its working.
Tech2 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 F0:Lamps Test in the Miscellaneous Test.
060RY00080
5. Select F0:Malfunction Indicator Lamp.
060RY00091
6. PushºOnº soft key.
7. Make sure Lamp illuminates.
8. If lamp illuminates, the Lamp is operating correctly.

6E±45
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
9. Select F2: Up Shift Lamp
060RY00076
10. Push ªOnº soft key.
11. Make sure Lamp illuminates.
12. If Lamp illuminates, the Lamp is operating correctly.
13. Select F2:Low Fuel Lamp
060RY00092
14. Push ªOnº soft key.
15. Make sure Lamp illuminates.
16. If Lamp illuminates, the Lamp is operating correctly.17. Select F3:Reduced Power Lamp
060RY00077
18. Push ªOnº soft key.
19. Make sure Lamp illuminates.
20. If Lamp illuminates, the Lamp is operating correctly.
21. Select F5:Cruise Control Lamp
060RY00078
22. Push ªOnº soft key.
23. Make sure Lamp illuminates.
24. If Lamp illuminates, the Lamp is operating correctly.

6E±46
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Relays Test
This test is conducted to check Fuel Pump Relay and A/C
Clutch for proper operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is ªOnº.
3. Select F3: Miscellaneous Test in the Application
Menu.
060R100078
4. Select F1:Relay Test in the Miscellaneous Test.
060RY00081
5. Select F0:Fuel Pump Relay.
060RX021
6. Push ªOnº soft key.
060RY00093
7. Control Fuel Pump Relay and check data list.
8. If the data list changes, the Fuel Pump Relay is
normal.
9. Select F1:A/C Clutch Relay.
10. Run the Engine at idle.

6E±47
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
11. Turn on Air Conditioning.
060RY00094
12. Turn ªOnº and ªOffº A/C Switch.
13. Contol A/C Clutch Relay and check data list.
14. If the data list changes, the Fuel Pump Relay is
normal.
EVAP Test
This test is conducted to check EVAP system for its power
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
4. Select F2: EVAP Test in the Miscellaneous Test.
060RY00082
5. Select F0: Purge Solenoid.
060RX025

6E±48
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
6. Push ªDecreaseº or ªIncreaseº soft key.
060RY00095
7. Control EVAP Purge Solenoid and check a data list.
8. If the data list changes, the Purge Solenoid is normal.
9. Turn engine off, turn ignition SW ªOnº.
10. Select F1:EVAP Vent Solenoid.
060RX025
11. Push ªOnº or ªOffº soft key.
060RY00096
12. Control EVAP Vent Solenoid and check data list.
13. If the data list changes, the EVAP Vent Solenoid is
normal.
Fuel System Test
This test is conducted check Fuel system for proper
operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is ªOnº.
3. Select F3: Miscellaneous Test in the Application
Menu.
060R100078

6E±49
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
4. Select F3: Fuel System in the Miscellaneous Menu.
060RY00083
5. Select F0: Fuel Trim Enable.
060R200071
6. Push ªDisableº or ªEnableº soft key.
060RY00097
7. Control Fuel Trim and check data list.
8. If data list changes, the Fuel Trim is normal.
9. Select F1: Fuel Trim Reset.
060R200071

6E±50
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
10. Push ªResetº soft key.
060RY00098
11. Select F2: O2-Loop status.
060R200071
12. This test is check the ªClosed Loop Statusº
performance.13. Push ªOpen Loopº or ªClosed Loopº soft key.
060RY00099
14. Control O2-Loop and check data list.
15. If data list changes, the O2-Loop is normal.
Instruments Test
This test is conducted check Instruments for proper
operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is ªOnº.
3. Select F3: Miscellaneous Test in the Application
Menu.
060R100078

6E±51
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
4. Select F4: Instruments in the Miscellaneous Menu.
060RY00106
5. Select F0: Fuel Gauge level.
060RY00107
6. Push ªDecreaseº or ªIncreaseº soft key.
060RY00100
7. Control Fuel Level and check data list.
8. If data list and Fuel gauge meter changes, Fuel
Gauge level is normal.
9. Select F1: Tachometer Control Test.
060RY00107

6E±52
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
10. Push ªInactiveº or ªactiveº soft key.
060RY00101
11. Control tachometer and data list.
12. If data list and meter changes, the tachometer control
is normal.
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
4. Select F5: EGR Control Test in the Miscellaneous
Test.
060RY00084
5. Control EGR Valve and check data list.
060RY00103
6. If data list changes, the EGR Control is normal.
Variable Intake Manifold Solenoid Test
This test is conducted check VIM Solenoid for proper
operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.

6E±53
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
2. Ignition SW is ªOnº.
060RY00104
3. Select F3: Miscellaneous Test in the Application
Menu.
060R100078
4. Select F6: Variable Intake Manifold Solenoid Test.
060RY00085
5. Push ªOnº or ªOffº soft key.
060RX028
6. Control VIM Solenoid check data list.
7. If data list changes, the VIM Solenoid is normal.