Diagnostic Test
- CHECK CONNECTOR
- Disconnect EVAP control system pressure sensor harness connector.
- Check that water is not inside connectors.
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness connector.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between EVAP control system pressure sensor harness connector and ground.
+ - Voltage (V) EVAP control system pressure sensor Connector Terminal B41 3 Ground Approx. 5
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
GO TO STEP 3 .
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
EVAP control system pressure sensor ECM Continuity Connector Terminal Connector Terminal B41 3 E10 125 Existed
Is the inspection result normal?
YES
INSPECTION END
NO
Repair open circuit.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
EVAP control system pressure sensor ECM Continuity Connector Terminal Connector Terminal B41 1 E10 148 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
EVAP control system pressure sensor ECM Continuity Connector Terminal Connector Terminal B41 2 E10 121 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO STEP 6 .
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
- CHECK RUBBER TUBE
- Disconnect rubber tube connected to EVAP canister vent control valve.
- Check the rubber tube for clogging.
Is the inspection result normal?
YES
GO TO STEP 7 .
NO
Clean the rubber tube using an air blower, repair or replace rubber tube.
- CHECK EVAP CANISTER VENT CONTROL VALVE
Check EVAP canister vent control valve. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 8 .
NO
Replace EVAP canister vent control valve. Refer to REMOVAL AND INSTALLATION .
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check EVAP control system pressure sensor. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 9 .
NO
Replace EVAP control system pressure sensor. Refer to REMOVAL AND INSTALLATION .
- CHECK IF EVAP CANISTER IS SATURATED WITH WATER
- Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached. Refer to REMOVAL AND INSTALLATION .
- Check if water will drain from the EVAP canister.
Does water drain from the EVAP canister?
YES
GO TO STEP 10 .
NO
INSPECTION END
- CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.
The weight should be less than 2.1 kg (4.6 lb).
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO STEP 11 .
- DETECT MALFUNCTIONING PART
Check the following.
- EVAP canister for damage
- EVAP hose between EVAP canister and vehicle frame for clogging or poor connection
Repair hose or replace EVAP canister. Refer to REMOVAL AND INSTALLATION .