Part 2
1UR-FSE ENGINE CONTROL SYSTEM: SFI SYSTEM: EVAP System
- EVAP System
Result
A -- LOCATE EVAP LEAK PART
B -- CORRECTLY REINSTALL OR REPLACE FUEL CAP ASSEMBLY
C -- REPLACE FUEL CAP ASSEMBLY
21. INSPECT PURGE VSV
(a) Turn the engine switch off.
(b) Disconnect the E44 purge VSV connector.
(c) Disconnect the hose (connected to the canister) from the purge VSV.
(d) Start the engine.
(e) Use your finger to confirm that the purge VSV has no suction.
Result
A -- CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM)
B -- REPLACE PURGE VSV (PURGE VSV)
22. INSPECT EVAP HOSE (PURGE VSV - CANISTER)
(a) Check for blockages in the EVAP purge line between the purge VSV and canister.
OK:
No blockages in the EVAP purge line between the purge VSV and canister.
NG -- REPAIR OR REPLACE EVAP HOSE
OK -- Continue to next step.
23. CHECK EVAP HOSE (PURGE VSV - INTAKE MANIFOLD)
(a) Disconnect the hose (connected to the intake manifold) from the purge VSV.
(b) Start the engine.
(c) Use your finger to confirm that the hose has suction.
Result
B -- INSPECT INTAKE MANIFOLD
A -- Continue to next step.
24. INSPECT PURGE VSV
(a) Remove the purge VSV.
(b) Apply the battery voltage to the terminals of the purge VSV.
(c) Confirm that air flows from port A to port B.
Result
B -- REPLACE PURGE VSV (PURGE VSV)
A -- Continue to next step.
25. CHECK HARNESS AND CONNECTOR (POWER SOURCE OF PURGE VSV)
(a) Disconnect the E44 purge VSV connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Result
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- Continue to next step.
26. CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM)
(a) Disconnect the E44 purge VSV connector.
(b) Disconnect the E1 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
OK -- REPLACE ECM
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
27. INSPECT CANISTER PUMP MODULE (POWER SOURCE FOR VENT VALVE)
(a) Disconnect the V1 canister pump module connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Result
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- Continue to next step.
28. INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION)
(a) Turn the engine switch off.
(b) Disconnect the V1 canister pump module connector.
(c) Apply the battery voltage to VLVB and VGND terminals of the canister pump module.
(d) Touch the canister pump module to confirm the vent valve operation.
Result
B -- REPLACE CANISTER ASSEMBLY
A -- Continue to next step.
29. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
(a) Turn the engine switch off.
(b) Disconnect the V1 canister pump module connector.
(c) Measure the resistance according to the value(s) in the table below.
Result
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- Continue to next step.
30. INSPECT CANISTER ASSEMBLY (CHARCOAL FILTER INSIDE CANISTER)
(a) Check for filter blockage in the canister Testing and Inspection.
OK:
No blockages in the canister.
OK -- REPLACE ECM
NG -- REPLACE CANISTER ASSEMBLY
31. PERFORM ACTIVE TEST USING TECHSTREAM (FOR LEAK DETECTION PUMP)
(a) Disconnect the V1 canister pump module connector
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Activate the Vacuum Pump.
(e) Measure the voltage according to the value(s) in the table below.
Result
B -- CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
C -- REPLACE ECM
A -- Continue to next step.
32. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - BODY GROUND)
(a) Turn the engine switch off.
(b) Disconnect the V1 canister pump module connector.
(c) Measure the resistance according to the value(s) in the table below.
Result
A -- REPLACE CANISTER ASSEMBLY
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR
33. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)
(a) Turn the engine switch off.
(b) Disconnect the V1 canister pump module connector.
(c) Disconnect the E1 ECM connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
A -- REPLACE ECM
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR
34. INSPECT INTAKE MANIFOLD
(a) Stop the engine.
(b) Disconnect the EVAP hose from the intake manifold.
(c) Start the engine.
(d) Use your finger to confirm that the port of the intake manifold has suction.
Result
A -- REPLACE EVAP HOSE (INTAKE AIR SURGE TANK - PURGE VSV)
B -- INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)
35. CORRECTLY REINSTALL OR REPLACE FUEL CAP ASSEMBLY
HINT
* When reinstalling the fuel cap, tighten it until a few click sounds are heard.
* When replacing the fuel cap, use a fuel cap that meets OEM specifications, and install it until a few click sounds are heard.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
36. REPLACE FUEL CAP ASSEMBLY
HINT
When installing the fuel cap, tighten it firmly (only one click sound could be head).
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
37. LOCATE EVAP LEAK PART
(a) Disconnect the vent hose.
(b) Connect the EVAP pressure tester tool to the canister with the adapter.
(c) Pressurize the EVAP system to 3.2 to 3.7 kPa (24 to 28 mmHg).
(d) Apply soapy water to the piping and connecting parts of the EVAP system.
(e) Look for areas where bubbles appear. This indicates the leak point.
(f) Repair or replace the leak point.
HINT
Disconnect the hose between the canister and the fuel tank from the canister. Block the canister side and conduct an inspection. In this way, the fuel tank can be excluded as an area suspected of causing fuel leaks.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
38. REPLACE CANISTER ASSEMBLY
(a) Replace the canister assembly Removal.
NOTICE:
* When replacing the canister, check the canister pump module interior and related pipes for water, fuel and other liquids. If liquids are present, check for disconnections and/or cracks in the following: 1) the pipe from the air inlet port to the canister pump module; 2) the canister filter; and 3) the fuel tank vent hose.
* Check for filter blockage in the canister filter. if the canister filter has blockages, replace the canister filter.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
39. REPLACE PURGE VSV (PURGE VSV)
(a) Disconnect the connector and the hoses from the purge VSV.
(b) Remove the purge VSV.
(c) Install a new purge VSV.
(d) Reconnect the connector and hoses.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
40. REPAIR OR REPLACE HARNESS OR CONNECTOR
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
41. REPLACE EVAP HOSE (INTAKE AIR SURGE TANK - PURGE VSV)
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
42. INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)
(a) Check that the EVAP purge port of the intake manifold is not clogged. If necessary, replace the intake manifold Removal.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
43. REPAIR OR REPLACE PARTS AND COMPONENTS INDICATED BY OUTPUT DTCS
(a) Repair the malfunctioning areas indicated by the DTCs that had been confirmed when the vehicle was brought in.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
44. REPAIR OR REPLACE EVAP HOSE
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK
45. REPLACE CANISTER ASSEMBLY
(a) Replace the canister assembly Removal.
NOTICE:
* When replacing the canister, check the canister pump module interior and related pipes for water, fuel and other liquids. If liquids are present, check for disconnections and/or cracks in the following: 1) the pipe from the air inlet port to the canister pump module; 2) the canister filter; and 3) the fuel tank vent hose.
* Check for filter blockage in the canister filter. if the canister filter has blockages, replace the canister filter.
NEXT -- Continue to next step.
46. PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
NOTICE:
* The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes.
* Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable.
* Do not run the engine in this step.
* When the temperature of the fuel is 35°C (95°F) or more, a large amount of vapor forms and any check results become inaccurate. When performing an Evaporative System Check, keep the fuel temperature below 35°C (95°F).
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(e) Enter the following menus: Powertrain / Engine / Utility / Evaporative System Check / Automatic Mode.
(f) After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine / Trouble Codes.
Result
B -- END
A -- Continue to next step.
47. REPLACE ECM
(a) Replace the ECM Removal.
NEXT -- Continue to next step.
48. PERFORM EVAPORATIVE SYSTEM CHECK
NOTICE:
* The Evaporative System Check (Automatic Mode) consists of 6 steps performed automatically by the Techstream. It takes a maximum of approximately 24 minutes.
* Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable.
* Do not run the engine in this step.
* When the temperature of the fuel is 35°C (95°F) or more, a large amount of vapor forms and any check results become inaccurate. When performing an Evaporative System Check, keep the fuel temperature below 35°C (95°F).
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(e) Enter the following menus: Powertrain / Engine / Utility / Evaporative System Check / Automatic Mode.
(f) After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine / Trouble Codes.
HINT
If no pending DTCs are found, the repair has been successfully completed.
NEXT -- END
CONFIRMATION DRIVING PATTERN
HINT
After a repair, check the Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor Confirmation described below.
1. Key-off monitor confirmation
(a) Preconditions
The monitor will not run unless:
* The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
* The fuel tank is less than 90% full
* The altitude is less than 8000 ft (2400 m)
* The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F)
* The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F)
* The vehicle remains stationary (the vehicle speed is 0 mph [0 km/h])
(b) Monitor Conditions
(1) Allow the engine to idle for at least 5 minutes.
(2) Turn the engine switch off and wait for 6 hours (8 or 10.5 hours).
HINT
Do not start the engine until checking Monitor Status. If the engine is started, the steps described above must be repeated.
(c) Monitor Status
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG) and turn the Techstream on.
(3) Enter the following menus: Powertrain / Engine / Monitor / Evaporative System.
(4) Check the Monitor Status displayed on the Techstream.
HINT
If Incomplete is displayed, the monitor is not completed. Make sure that the preconditions have been met, and perform the Monitor Conditions again.
2. Purge flow monitor confirmation (P0441)
HINT
Perform this monitor confirmation after the Key-Off Monitor Confirmation shows Complete.
(a) Preconditions
The monitor will not run unless:
* The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
* The ECT is between 4.4°C and 35°C (40°F and 95°F)
* The IAT is between 4.4°C and 35°C (40°F and 95°F)
(b) Monitor Conditions
(1) Release the pressure from the fuel tank by removing and reinstalling the fuel cap.
(2) Warm the engine up until the ECT reaches more than 75°C (167°F).
(3) Increase the engine speed to 3000 rpm once.
(4) Allow the engine to idle and turn A/C ON for 1 minute.
(c) Monitor Status
(1) Turn the engine switch off (if on (IG) or the engine is running).
(2) Connect the Techstream to the DLC3.
(3) Turn the engine switch on (IG) and turn the Techstream on.
(4) Enter the following menus: Powertrain / Engine / Utility.
(5) Check the Monitor Status displayed on the Techstream.
HINT
If Incomplete is displayed, the monitor is not completed. Make sure that the preconditions have been met, and perform the Monitor Conditions again.
MONITOR RESULT
Refer to CHECKING MONITOR STATUS Mode 6 Data.