Actron CP9190 manual Error Messages, Scan Tool Does Not Power Up

Troubleshooting

Error Messages

Check the following if an error message displays:

❒Verify ignition key is in the ON and not in the ACCESSORIES position.

❒Make sure OBD II Cable is attached to vehicle’s data link connector (DLC) and Scan Tool.

❒Look at DLC and check for cracked or recessed pins, or for any substance that could prevent a good electrical connection.

❒Test for continuity between the DLC wiring and the computer. In an extreme case, there may be a broken wire.

❒Check for bent or broken pins.

❒With the key on engine off (KOEO), check for blown fuses.

❒Make sure the vehicle’s control module has a good ground. If the computer case is grounded, then clean the connection and apply a conductive (dielectric) grease to the mating surfaces.

❒With the KOEO, verify battery voltage is at least 8.0V

❒Verify the control module is not defective. Refer to the service manual to diagnose the control module.

Scan Tool Does Not Power Up

✓Review Safety Precautions before troubleshooting.

If Scan Tool will not power up, communicate with vehicle’s control module, pass Scan Tool self-tests, or functions incorrectly in any other way, do the following:

❒Check and replace the 9V battery if needed.

❒Clean the DLC pins.

❒Disconnect and reconnect DLC making sure it is connected

9 correctly.

❒Check vehicle battery to make sure at least 8.0 volts is present.

❒Contact customer service.

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