Run diagnostic tests
Select and run diagnostic tests supported by the connected engine calibration.
Supported Diagnostic Tests (PDF)
Compare support for DTK Mobile and DTK Windows. Availability depends on the connected engine calibration.
Expected result
The selected diagnostic test runs under its required conditions and displays its status and result.
Important notes / prerequisites
Available diagnostic tests must be implemented in the Guidanz PC application and supported by the connected engine calibration.
Read the selected test's INSTRUCTIONS before starting. Review its initial conditions, steps, and additional information. Some tests require the engine to be running; others require Key-on only. Meet all preconditions and follow the instructions for that specific test.
Windows procedure
Open Diagnostic Tests
From the ECM Device Dashboard, select Diagnostic Tests. The Diagnostic Tests screen lists tests implemented in the Guidanz PC application and supported by the connected engine calibration.
Instructions
Open the required test and review its instructions. Each test includes its own instructions. Some tests require the engine to be running; others require Key-on only. Follow the instructions for the specific test.
Starting and stopping
- Review the test prerequisites.
- When all preconditions are met, select Start Test at the bottom left of the test.
- Monitor the test while it runs.
- Select Stop Test at the bottom left of the test when required or when the test instructions direct you to stop.
Results and test status
Most diagnostic tests include a Status box showing messages for the test being performed. Monitor it for test progress and messages about unmet conditions.
- Review the messages in the Status box.
- To display the messages in a separate Test Status window, select Pop out beside Status, or select Pop out status at the bottom right of the screen.
- Monitor the status window while working in the test. Select Close in the Test Status window when you have finished viewing it.
For example, a test that requires a running engine may display The engine must be running before starting this test. Follow the selected test's instructions to address the condition.
Common problems
If a test will not start, review the test-specific instructions, engine state, Key-on or running requirement, and connection status.
DTK Mobile differences
Open Diagnostic Tests
From the ECM Device Dashboard, select Diagnostic Tests. The Diagnostic Tests screen lists tests implemented in the Mobile app and supported by the connected engine calibration.
Follow the test instructions
Open the required test and read its instructions before operating the controls. Each diagnostic test has its own requirements: some require the engine to be running, while others require Key-on only. Follow the instructions for the selected test so it performs as expected.
Access the start and stop controls
Select the red button in the chyron to open the diagnostic test controls screen, where you can access the test's start and stop controls. Follow the test-specific instructions when starting or stopping the test.
Monitor test status
Most diagnostic tests include a Status box that displays the status of the test being performed. Use it to monitor progress during the diagnostic session.
To pop out the Status box, select either the pop-out icon next to Status or the Pop out status icon at the bottom right of the screen.