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Home >> Isuzu >> 2001 >> VehiCROSS 4WD V6-3.5L >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Clearing Trouble Codes >> With Generic Scan Tool
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With Generic Scan Tool

Clear DTC

Note: If you clear the DTC (Diagnostic Trouble Codes) you will not be able to read any codes recorded during the last occurrence.

Note: To use the DTC again to identify a problem, you will need to reproduce the fault or the problem. This may require a new test drive or just turning the ignition on (this depends on the nature of the fault).

IF you have a Tech 2:
1 Connect the Tech 2 if it is still not connected GO THROUGH Tech 2 OBD II CONNECTION.
2 Push "F1: Clear DTC Info" in the Application Menu and answer "Yes" to the question "Do you want to clear DTC'S?"
a. When a malfunction remains as it is the Tech 2 displays "4L30-E CODES NOT CLEARED". This means that the problem is still there or that the recovery was not done. Please GO TO DTC CHECK.
b. When a malfunction has been repaired and the recovery is done. The Tech 2 displays "4L30-E CODES CLEARED".

Tech 2 OBD II Connection
In order to access OBD II Powertrain Control Module (PCM) data, use of the Tech 2 scan tool kit (7000086) is required.
1. The electronic diagnosis equipment is composed of:





1 Tech 2 hand-held scan tool unit (7000057) and DLC cable (3000095).





2 SAE 16/19 adaptor (3000098) (1), RS 232 loop back connector (3000112) (2), and PCMCIA card (3000117) (3).





2. Connecting the TECH2
- Before operating the Isuzu PCMCIA card with the Tech 2, the following steps must be performed:
1 The Isuzu 99 System PCMCIA card (1) inserts into the Tech 2 (5).
2 Connect the SAE 16/19 adaptor (3) to the DLC cable (4).
3 Connect the DLC cable to the Tech 2 (5)
4 Make sure the vehicle ignition is off.





5 Connect the Tech 2 SAE 16/19 adaptor to the vehicle DLC.
6 The vehicle ignition turns on.





7 Verify the Tech 2 power up display.

Note: The RS232 Loop back connector is only to use for diagnosis of Tech 2 and refer to user guide of the Tech 2.





8 The power up screen is displayed when you power up the tester with the Isuzu systems PCMCIA card. Follow the operating procedure below.





Once the test vehicle has been identified an "Application (Powertrain) Menu" screen appears. Please select the appropriate application.

Data Display





When F1: Data Display is selected, a "Data Display Menu" screen appears.
Please select either "Transmission Data" or "PC Solenoid Data".

Function Tests (Reset Oil Life Monitor)
When F4: Function Tests is selected from the "Powertrain Menu", a "Reset Oil Life Monitor Menu" screen appears.





When the ATF has been replaced, select "F0" and reset "Oil Life Monitor" data.





F0: Transmission Data





F1: PC Solenoid Data
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