VR30DDTT engine

If DTC U042F is displayed with U1000, first perform the confirmation procedure (trouble diagnosis) for U1000.

Is DTC U1000 detected?

YES

Perform diagnosis for U1000. Refer to Confirmation Procedure .

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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V when ignition switch ON.

GO TO 3.

With CONSULT

1. Start the engine and wait at least 1 second.
2. Check DTC.

Is DTC U042F detected?

YES

Refer to DTC Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Inspection .

NO

Confirmation after repair: INSPECTION END