Diagnostic Mode 08: Tank leak test
Diagnostic Mode 08 is used to test the fuel system for leaks.
NOTE:
- Depending on scan tool and protocol used, diagnostic mode 08 and the information provided may be referred to by a different name.
NOTE:
- If the accelerator pedal is depressed during the test, the test will be aborted.
Test requirements
- No DTCs stored in the DTC memory.
- Intake Air Temperature (IAT) maximum 60° C.
- Coolant temperature 80 to 110° C.
- Throttle valve angle 12.0 to 16.0%.
Procedure
- Connect the scan tool.
- Start the engine and run at idle for at least 15 minutes.
- Select "Mode 8: Tank Leak Test".
- Select "Test-ID 01: Tank Leak Test".
- Check the specified value of the tank leak test at idle.
- The following will be displayed on the scan tool screen:
| Tank leak test | Specified value | |||||
|---|---|---|---|---|---|---|
|
Test OK | |||||
- Switch the ignition off.
If the specified value is obtained:
- Refer to "Diagnostic mode 03: Interrogating fault memory " to check for any DTCs that may be stored.
- To repeat the tank test, switch the ignition off and start the engine again and let run for 15 minutes at idle.
- Switch the ignition off.
- End of diagnosis.