PR25DD engine
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
- Turn ignition switch OFF.
- Remove EVAP control system pressure sensor with its harness connector.
Always replace O-ring with a new one.
- Install a vacuum pump to EVAP control system pressure sensor.
- Turn ignition switch ON and check output voltage between ECM harness connector terminals under the following conditions.
ECM
Condition
[Applied vacuum kPa (kg/cm 2 , psi)]
Voltage
Connector
+
-
Terminal
E31
131
158
Not applied
0.5 - 4.6 V
-26.7 (-0.272, -3.87)
2.1 to 2.5 V lower than above value
CAUTION:- Always calibrate the vacuum pump gauge when using it.
- Never apply below -93.3 kPa (-0.952 kg/cm 2 , -13.53 psi) or pressure over 101.3 kPa (1.033 kg/cm 2 , 14.69 psi).
Is the inspection result normal?
YES
INSPECTION END
NO
Replace EVAP control system pressure sensor. Refer to EVAP CANISTER : Removal & Installation (AWD) or EVAP CANISTER : Removal & Installation (FWD).