Component Function Check

WITH GST

1. Lift up drive wheels.
2. Start engine (VDC 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 under the following conditions.

   ECM
   Connector	+	-
   	Terminal	Terminal
   E20	121 (EVAP control system pressure sensor signal)	148

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
   Headlamp 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

INSPECTION END

NO

Refer to DTC Diagnosis Procedure .