Diagnosis Procedure
- COMPONENT FUNCTION CHECK
With CONSULT
- Turn ignition switch ON.
- On CONSULT screen, select "ENGINE" >> "ACTIV TEST" >> "Check purging pressure control".
- Select "OPEN".
- Check that the indicated value of purge pressure sensor is between (-)1 - (+)1 kPa [(-)0.01 - (+)0.01 bar, (-)0.01 - (+)0.01 kg-cm2, (-)0.145 - (+)0.145 psi]
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY
- Disconnect EVAP control system pressure sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between EVAP control system pressure sensor harness connector and ground.
+
-
Voltage
EVAP control system pressure sensor
Connector
Terminal
F173
3
Ground
4.75 - 5.25 V
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 3.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between ECM harness connector and EVAP control system pressure sensor harness connector.
+
-
Continuity
ECM
EVAP control system pressure sensor
Connector
Terminal
Connector
Terminal
F149
16
F173
3
Existed
- Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
Check ECM power supply circuit. Refer to Diagnosis Procedure .
NO
Repair or replace error-detected parts.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between ECM harness connector and EVAP control system pressure sensor harness connector.
+
-
Continuity
ECM
EVAP control system pressure sensor
Connector
Terminal
Connector
Terminal
F149
36
F173
1
Existed
11
2
- Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
Replace EVAP control system pressure sensor. Refer to Exploded View .
NO
Repair or replace error-detected parts.