Part 2

2TR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow (Continued)

11. PERFORM EVAPORATIVE SYSTEM CHECK (STEP 3/5)

(a) Check the EVAP pressure in step 3/5.
Result:

*: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in step 1.

HINT: The first 0.02 inch leak criterion is the value determined in step 2/5.

B -- PERFORM ACTIVE TEST USING TECHSTREAM (FOR CANISTER PUMP MODULE (LEAK DETECTION PUMP))
A -- REPLACE CHARCOAL CANISTER ASSEMBLY
12. PERFORM ACTIVE TEST USING TECHSTREAM (PURGE VSV)

(a) Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for EVAP Control.
(b) Disconnect the hose (connected to the canister) from the purge VSV.
(c) Start the engine.
(d) Using the tester, turn off the purge VSV (EVAP VSV: OFF).
(e) Use your finger to confirm that the purge VSV has no suction.
(f) Using the tester, turn on the purge VSV (EVAP VSV: ON).
(g) Use your finger to confirm that the purge VSV has suction.
Result:

(h) Reconnect the hose.
C -- CHECK EVAP HOSE (PURGE VSV - INTAKE MANIFOLD)
B -- INSPECT DUTY VACUUM SWITCHING VALVE (PURGE VSV)
A -- Continue to next step.
13. CHECK FUEL CAP ASSEMBLY
(a) Check that the fuel cap is correctly installed.
(b) Confirm that the fuel cap is tightened until a few click sounds are heard.

HINT: If an EVAP tester is available, check the fuel cap using the tester.

(1) Remove the fuel cap and install it onto a fuel cap adaptor.
(2) Connect an EVAP tester pump hose to the adaptor, and pressurize the cap to 3.2 to 3.7 kPa (24 to 28 mmHg) using an EVAP tester pump.
(3) Seal the adaptor and wait for 2 minutes.
(4) Check the pressure. If the pressure is 2 kPa (15 mmHg) or more, the fuel cap is normal.
(c) Reinstall the fuel cap.
Result:

C -- REPLACE FUEL CAP ASSEMBLY
B -- CORRECTLY REINSTALL OR REPLACE FUEL CAP
A -- REPAIR EVAP LEAKING PART
14. INSPECT DUTY VACUUM SWITCHING VALVE (PURGE VSV)

(a) Turn the ignition switch to OFF.
(b) Disconnect the V4 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:

(f) Reconnect the purge VSV connector.
(g) Reconnect the hose.
B -- REPLACE DUTY VACUUM SWITCHING VALVE (PURGE VSV)
A -- REPLACE ECM
15. 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:

(d) Reconnect the hose.
B -- INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)
A -- Continue to next step.
16. INSPECT DUTY VACUUM SWITCHING VALVE (PURGE VSV)

(a) Remove the purge VSV.
(b) Apply the battery voltage to the terminals of the purge VSV.
(c) Using an air gun, confirm that air flows from port A to port B.
Result:

(d) Install the purge VSV.
B -- REPLACE DUTY VACUUM SWITCHING VALVE (PURGE VSV)
A -- Continue to next step.
17. CHECK HARNESS AND CONNECTOR (POWER SOURCE OF PURGE VSV)

(a) Disconnect the V4 purge VSV connector.
(b) Turn the ignition switch to ON.
(c) Measure the voltage between terminal 2 of the purge VSV connector and the body ground.
Result:

(d) Reconnect the purge VSV connector.
B -- REPAIR OR REPLACE HARNESS AND CONNECTOR
A -- Continue to next step.
18. CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM)

(a) Disconnect the E5 ECM connector and the V4 purge VSV connector.
(b) Check the resistance.
Standard Resistance:

(c) Reconnect the purge VSV connector.
(d) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE ECM
19. PERFORM ACTIVE TEST USING TECHSTREAM (FOR VENT VALVE)

(a) Turn the ignition switch to ON.
(b) Enter the following menus: Powertrain / Engine and ECT / Active Test / Active the VSV for Vent Valve.
(c) Measure the voltage between terminal VPMP of the ECM connector and the body ground when the vent valve is turned ON (close) and OFF (vent) using the tester.
Result:

B -- REPLACE ECM
A -- INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION)
20. PERFORM ACTIVE TEST USING TECHSTREAM (FOR VENT VALVE)

C -- REPLACE ECM
B -- INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION)
A -- Continue to next step.

21. INSPECT CANISTER PUMP MODULE (POWER SOURCE FOR VENT VALVE)

(a) Turn the ignition switch OFF.
(b) Disconnect the L1 canister connector.
(c) Turn the ignition switch to ON.
(d) Measure the voltage between terminal 9 of the canister connector and the body ground.
Result:

(e) Reconnect the canister connector.
B -- REPAIR OR REPLACE HARNESS AND CONNECTOR
A -- Continue to next step.
22. INSPECT CANISTER PUMP MODULE (VENT VALVE OPERATION)

(a) Turn the ignition switch to OFF.
(b) Disconnect the L1 canister connector.
(c) Apply the battery voltage to terminals 9 and 8 of the canister pump module.
(d) Touch the canister pump module to confirm the vent valve operation.
Result:

(e) Reconnect the canister connector.
B -- REPLACE CHARCOAL CANISTER ASSEMBLY
A -- REPAIR OR REPLACE HARNESS AND CONNECTOR
23. PERFORM ACTIVE TEST USING TECHSTREAM (FOR CANISTER PUMP MODULE (LEAK DETECTION PUMP))

(a) Enter the following menus: Powertrain / Engine and ECT / Active Test / Active the Vacuum Pump.
(b) Measure the voltage between MPMP terminal of the ECM connector and the body ground when the leak detection pump is turned ON and OFF using the tester.
Result:

B -- REPLACE ECM
A -- Continue to next step.
24. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - ECM)

(a) Turn the ignition switch to OFF.
(b) Disconnect the L1 canister connector.
(c) Turn the ignition switch to ON.
(d) Enter the following menus: Powertrain / Engine and ECT / Active Test / Active the Vacuum Pump.
(e) Turn the leak detection pump ON.
(f) Measure the voltage between terminal 1 of the canister connector and the body ground.
Result:

(g) Reconnect the canister connector.
B -- REPAIR OR REPLACE HARNESS AND CONNECTOR
A -- Continue to next step.
25. CHECK HARNESS AND CONNECTOR (CANISTER PUMP MODULE - GROUND)

(a) Disconnect the L1 canister connector.
(b) Turn the ignition switch to OFF.
(c) Check the resistance between terminal 6 of the canister connector and the body ground.
Result:

(d) Reconnect the canister connector.
B -- REPAIR OR REPLACE HARNESS AND CONNECTOR
A -- REPLACE CHARCOAL CANISTER ASSEMBLY
26. INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)
(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:

(e) Reconnect the EVAP hose.
B -- INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)
A -- REPLACE EVAP HOSE (INTAKE MANIFOLD - PURGE VSV)
27. CORRECTLY REINSTALL OR REPLACE FUEL CAP

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 (AUTOMATIC MODE)
28. REPLACE FUEL CAP ASSEMBLY

HINT: When installing the fuel cap, tighten it until a few click sounds are heard.

NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
29. REPAIR EVAP LEAKING PART
(a) Reinstall the fuel cap.
(b) Disconnect the vent hose.

(d) Pressurize the EVAP system to 3.2 to 3.7 kPa (24 to 28 mmHg).
(e) Apply soapy water to the piping and connecting parts of the EVAP system.
(f) Look for areas where bubbles appear. This indicates leak point.
(g) 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 (AUTOMATIC MODE)
30. REPLACE CHARCOAL CANISTER ASSEMBLY
(a) Replace the canister assembly.

NOTE: When replacing the canister, check the canister pump module interior and related pipes for water, fuel or 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.

NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
31. REPLACE DUTY VACUUM SWITCHING VALVE (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 (AUTOMATIC MODE)
32. REPAIR OR REPLACE HARNESS AND CONNECTOR
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
33. REPLACE EVAP HOSE (INTAKE MANIFOLD - PURGE VSV)
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
34. 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.
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
35. REPLACE ECM
(a) Replace the ECM (Removal).
NEXT -- PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)
36. 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 (AUTOMATIC MODE)
37. PERFORM EVAPORATIVE SYSTEM CHECK (AUTOMATIC MODE)

NOTICE:
- The Evaporative System Check (Automatic Mode) consists of five steps performed automatically by the Techstream. It takes a maximum of approximately 18 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 and making the leak check of the fuel tank 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 temperature below 35°C (95°F).

(a) Clear DTCs (DTC Check / Clear).
(b) Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
(c) After the Evaporative System Check is completed, check for pending DTCs by entering the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.

HINT: If no pending DTC is found, the repair has been successfully completed.

NEXT -- COMPLETED