Troubleshooting - CEN-TECH 62120 Owner's Manual & Safety Instructions

Troubleshooting

Problem
Scan Tool doesn't power up 1. OBD II Cable connector
Vehicle Linking Error
Scan Tool Freezes
LED Lamps Not Working
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Page 38
Possible Causes
not connected securely.
2. Vehicle's DLC pins are
bent or broken.
3. Vehicle's battery is bad.
1. Vehicle is not OBD
compliant.
2. Ignition is off.
3. Bad connection.
Scan Tool or vehicle's
computer system
not responding.
Defective LEDs
For technical questions, please call 1-888-866-5797.
Likely Solutions
1. Verify that the Scan Tool's OBD II
Cable connector is securely
connected to the vehicle's DLC.
2. Check if the DLC pins are bent or
broken. If bent or broken, have a
certified technician repair the DLC.
3. Make sure vehicle's battery
it providing at least 8V.
1. Verify that the vehicle is
OBD II compliant.
2. Verify that the ignition is ON.
3. Reset the tool by turning the
ignition off, waiting 10 seconds,
then turning the ignition back on.
Reset the Scan Tool by turning the
ignition off, waiting 10 seconds,
then turning the ignition back on.
Run the LED Test, according to
page16. If LED(s) fail, have a
qualified technician replace the LED(s).
Item 62120