Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2002LIBERTY LIMITED EDITION 2WD V6-3.7L VIN KREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURES
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN K
Scan Tool Testing and Procedures
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION Scan Tool Testing and Procedures
USING THE DRB III (R)
Refer to the DRB III (R) user's guide for instructions and assistance with reading trouble codes, erasing trouble codes, and other DRB III (R) functions.
DRB III (R) ERROR MESSAGES AND BLANK SCREEN
Under normal operation, the DRB III (R) will display one of only two error messages:
User-Requested WARM Boot or User-Requested COLD Boot
If the DRB III (R) should display any other error message, record the entire display and call the Star Center for information and assistance. This is a sample of such an error message display:
ver: 2.14
date: 26 Jul93
file: key_itf.cc
date: Jul 26 1993
line: 548
err: Ox1
User-Requested COLD Boot
Press MORE to switch between this display and the application screen.
Press F4 when done noting information.
DRB III (R) Does Not Power Up (Blank Screen)
If the LED's do not light or no sound is emitted at start up, check for loose cable connections or a bad cable. Check the vehicle battery voltage (data link connector cavity 16). A minimum of 11 volts is required to adequately power the DRB III (R).
If all connections are proper between the DRB III (R) and the vehicle or other devices, and the vehicle battery is fully charged, an inoperative DRB III (R) may be the result of faulty cable or vehicle wiring.
Display Is Not Visible
Low temperatures will affect the visibility of the display. Adjust the contrast to compensate for this condition.
Refer to the DRB III (R) user's guide for instructions and assistance with reading trouble codes, erasing trouble codes, and other DRB III (R) functions.
DRB III (R) ERROR MESSAGES AND BLANK SCREEN
Under normal operation, the DRB III (R) will display one of only two error messages:
User-Requested WARM Boot or User-Requested COLD Boot
If the DRB III (R) should display any other error message, record the entire display and call the Star Center for information and assistance. This is a sample of such an error message display:
ver: 2.14
date: 26 Jul93
file: key_itf.cc
date: Jul 26 1993
line: 548
err: Ox1
User-Requested COLD Boot
Press MORE to switch between this display and the application screen.
Press F4 when done noting information.
DRB III (R) Does Not Power Up (Blank Screen)
If the LED's do not light or no sound is emitted at start up, check for loose cable connections or a bad cable. Check the vehicle battery voltage (data link connector cavity 16). A minimum of 11 volts is required to adequately power the DRB III (R).
If all connections are proper between the DRB III (R) and the vehicle or other devices, and the vehicle battery is fully charged, an inoperative DRB III (R) may be the result of faulty cable or vehicle wiring.
Display Is Not Visible
Low temperatures will affect the visibility of the display. Adjust the contrast to compensate for this condition.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.