VR30DDTT engine

If DTC P0506 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Index .

NO

GO TO 2.

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

If the idle speed is out of the specified value, Refer to Work Procedure before conducting DTC Confirmation Procedure.

TESTING CONDITION:

• Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
• Always perform the test at a temperature above -10 deg. C (14 deg. F).

GO TO 3.

1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Restart engine and run it for at least 1 minute at idle speed.
6. Check 1st trip DTC.

Is 1st trip DTC detected?

YES

Refer to DTC Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Inspection .

NO

Confirmation after repair: INSPECTION END