With GST
- Lift up drive wheels.
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF, wait at least 10 seconds.
- Start engine and wait at least 70 seconds.
- Set voltmeter probes to ECM terminals 32 (EVAP control system pressure sensor signal) and ground.
- Check EVAP control system pressure sensor value at idle speed and note it.
- Establish and maintain the following conditions for at least 1 minute.VOLTAGE SPECIFICATION
Air conditioner switch ON Headlamp switch ON Engine speed Approx. 3,000 RPM Shift lever Any position other than P, N or R - Verify that EVAP control system pressure sensor value stays 0.1V less than the value at idle speed (measured at step 6) for at least 1 second.
- If NG, go to "DIAGNOSIS PROCEDURE ".