DTC Confirmation Procedure

If DTC P0441 is displayed with other DTC, first perform the 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.

GO TO  3.

1. Lift up drive wheels.
2. Start engine (ASC switch OFF) and warm it up to normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and wait at least 70 seconds.
5. Set voltmeter probes to ECM harness connector terminals as per the following.

   ECM
   Connector	+	-
   	Terminal
   E16	129	155

6. Check EVAP control system pressure sensor value at idle speed and note it.
7. Establish and maintain the following conditions for at least 1 minute.

   Air conditioner switch	ON
   Headlight switch	ON
   Rear window defogger switch	ON
   Engine speed	Approx. 3, 000 rpm
   Gear position	Any position other than P, N or R

8. Verify that EVAP control system pressure sensor value stays 0.1 V less than the value at idle speed (measured at step 6) for at least 1 second.

Is the inspection result normal? 

YES-1 >>

To check malfunction symptom before repair: Refer to INTERMITTENT INCIDENT .

YES-2 >>

Confirmation after repair: INSPECTION END

NO >>

Proceed to DTC DIAGNOSIS PROCEDURE .