Inspection Procedure

1. Turn the power switch off and wait 10 seconds.
2. Turn the power switch on (IG).
3. Turn the power switch off and wait 10 seconds.
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG) and turn the Techstream on.
6. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
7. Confirm the DTCs.

   DTC and Malfunction Cross-Reference 

1. Clear the DTC with the Techstream.
2. Remove the fuel tank cap and reinstall the fuel cap.
3. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
4. After the Evaporative System Check is completed, check the DTC.

Result 

B:  Go to step  34

C: END 

A: Go to Next Step 

1. Refer to the table below to determine the next procedure according to the output DTCs.

Result: 

B:  Go to step  11

A: Go to Next Step 

1. Refer to the table below to determine the next procedure according to the output DTCs.

Result: 

B:  Go to step  18

C:  Go to step  21

D:  Go to step  23

A: Go to Next Step 

1. Disconnect the hose (to intake manifold) from the Purge VSV.
2. Put the engine in inspection mode (See INSPECTION MODE PROCEDURE ).
3. Use your finger and confirm that the Purge VSV has suction.

Fig 1: Locating Intake Manifold Hose

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG:  Go to step  33

OK: Go to Next Step 

1. Disconnect the hose (to canister) from the Purge VSV.
2. Put the engine in inspection mode (See INSPECTION MODE PROCEDURE ).
3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Active the VSV for Evap Control.
4. Turn the Purge VSV off (Purge VSV: OFF).
5. Use your finger and confirm that the Purge VSV has no suction.
6. Turn the Purge VSV on (Purge VSV: ON).
7. Use your finger to confirm that the purge VSV has suction.

   OK: 

   Purge VSV functions normally 

   Fig 2: Checking Vacuum Hose (Purge VSV - Intake Manifold)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:  Go to step  33

NG: Go to Next Step 

1. Remove the purge VSV.
2. Apply compressed air to the purge VSV, confirm that no air flows from A to B as shown in the illustration.
3. Apply battery voltage to the purge VSV.
4. While applying compressed air, confirm that air flows from A to B as shown in the illustration.

Fig 3: Checking Purge VSV

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG:  Go to step  27

OK: Go to Next Step 

1. Disconnect the E18 purge VSV connector.
2. Turn the power switch on (IG).
3. Measure the voltage between terminal 1 of the E18 connector and the body ground.

Fig 4: Identifying E18 Purge VSV Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG:  Go to step  32

OK: Go to Next Step 

1. Disconnect the E83 ECM connector and the E18 purge VSV connector.
2. Measure the resistance.

Standard resistance 

Fig 5: Identifying E83 ECM Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  32

OK: Go to Next Step 

NEXT: PERFORM EVAPORATIVE SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Connect the Techstream to DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
4. Turn the leak detection pump on with the Techstream.
5. Touch the canister pump module and check if the pump is moving.

OK: 

Pump operates 

NG:  Go to step  13

OK: Go to Next Step 

1. Remove the canister lower cover.
2. Connect the Techstream to DLC3.
3. Turn the power switch on (IG).
4. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for Vent Valve.
5. Touch the canister pump module, use the Techstream to turn the vent valve on and off, and check if the vent valve is moving.

   OK: 

   Vent valve vibration can be felt. 

OK:  Go to step  28

NG:  Go to step  16

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister pump module connector.
4. Connect the Techstream to DLC3.
5. Turn the power switch on (IG).
6. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
7. Turn the leak detection pump on with the Techstream.
8. Measure the voltage between MTRB terminal 1 of the canister pump module connector and body ground when the leak detection pump is turned on and off using the Techstream.

   Standard voltage: 

   10 to 14 V 

   Fig 6: Locating Canister Pump Module Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  15

OK: Go to Next Step 

1. Remove the canister lower cover.
2. Disconnect the canister pump module connector.
3. Measure the resistance between MGND terminal of the canister pump module and the body ground.

   Standard resistance: 

   Below 1 Ω 

   OK:  Go to step  28

   Fig 7: Identifying Canister Pump Module Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  32

1. Disconnect the A53 ECM connector.
2. Disconnect the canister pump module connector.
3. Measure the resistance between MPMP terminal of the ECM connector and MTRB terminal of the canister pump module connector.

   Standard resistance: 

   w/o Active Stabilizer 

w/ Active Stabilizer 

Fig 8: Identifying A53 And V17 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:  Go to step  26

NG:  Go to step  32

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister pump module connector.
4. Apply battery voltage to VLVB and VGND terminals of the canister pump module.
5. Touch the canister pump module to confirm the vent valve operation.
   Fig 9: Inspecting Canister Pump Module (Vent Valve Operation)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Test Results	Suspected Trouble Areas	Proceed to
   Operating	Wire harness between vent valve and ECM ECM	A
   Not operating	Vent valve	B

6. Reconnect the canister connector.

   B:  Go to step  28

   A: Go to Next Step 

1. Disconnect the A53 ECM connector.
2. Disconnect the canister pump module connector.
3. Check the resistance between VPMP terminal of the ECM connector and VGND terminal of the canister pump module connector.

   Standard resistance: 

   w/o Active Stabilizer 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   VPMP (A53-17) - VGND (V17-8)	10 Ω or less
   VPMP (A53-17) or VGND (V17-8) - Body ground	10 kΩ or more

   w/ Active Stabilizer 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   VPMP (A53-17) - VGND (x1-8)	10 Ω or less
   VPMP (A53-17) or VGND (x1-8) - Body ground	10 kΩ or more

4. Reconnect the ECM connector.
5. Reconnect the canister pump module connector.
   Fig 10: Identifying A53 ECM Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK:  Go to step  26

NG:  Go to step  32

Fig 11: Locating EVAP Leak Part (Purge VSV - Canister)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the vent hose.
2. Connect the EVAP tester to the vent hose with the adapter.
3. Pressurize the EVAP system to 3.2 to 3.7 kPa (24 to 28 mmHg).
4. Apply soapy water to the piping and connecting parts of the EVAP system.
5. Look for areas where bubbles appear. This indicates the leak point.
6. 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 AGAIN (AUTOMATIC MODE) 

1. Check if the fuel cap is tightened until a few "click" sounds are heard.
2. If you have the EVAP tester, check the fuel cap using the fuel cap adaptor.
   1. Install the fuel cap to the fuel cap adaptor, and connect the hose from the EVAP tester's pump.
   2. Pressurize the fuel cap adaptor to between 24 and 28 mmHg or for 45 seconds.
   3. Stop the pump and seal the fuel cap adaptor.
   4. Wait 2 minutes.
   5. Confirm that the pressure is higher than 15 mmHg.

OK: Higher than 15 mmHg 

NG:  Go to step  31

OK: Go to next step 

Fig 12: Locating EVAP Leak Part (Fuel Vapor-Containment Valve - Fuel Tank)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the vent hose.
2. Connect the EVAP tester to the vent hose with the adapter.
3. Connect the Techstream to DLC3.
4. Turn the power switch on (IG).
5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Fuel Vapor-Containment Valve.
6. Turn the Fuel vapor-containment valve on with the tester.
7. Pressurize the EVAP system to 3.2 to 3.7 kPa (24 to 28 mmHg).
8. Apply soapy water to the piping and connecting parts of the EVAP system.
9. Look for areas where bubbles appear. This indicates the leak point.
10. 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 AGAIN (AUTOMATIC MODE) 

1. Disconnect the eV1 wire harness to wire harness connector.
2. Connect the Techstream to the DLC3.
3. Turn the power switch on (IG).
4. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Fuel Vapor-Containment Valve.
5. Turn the fuel vapor-containment valve on with the Techstream.
6. Measure the voltage between terminals 5 and 6 of the eV1 connector.
Fig 13: Locating EV1 Wire Harness Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage: 10 to 14 V 

OK:  Go to step  29

NG: Go to next step 

1. Disconnect the eV1 wire harness to wire harness connector.
2. Measure the voltage between terminal eV1-6 and the body ground.
Fig 14: Identifying EV1 Wire Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage: 10 to 14 V 

NG:  Go to step  32

OK: Go to next step 

1. Disconnect the A53 ECM connector.
2. Disconnect the eV1 wire harness to wire harness connector.
3. Measure the resistance.

Standard resistance 

Fig 15: Identifying A53 And EV1 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  32

OK: Go to next step 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

1. Replace the canister assembly (See REMOVAL ).

Fig 16: Checking EVAP System (Auto Operation)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NEXT: PERFORM EVAPORATIVE SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Remove the fuel tank assembly (See REMOVAL ).
2. Disconnect the fuel vapor-containment valve connector.
3. Measure the resistance.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   eV1-5 - e2-1 (CCV)	Below 1 Ω
   eV1-6 - e2-2 (+B)	Below 1 Ω

4. Reinstall fuel tank assembly (See INSTALLATION ).
Fig 17: Locating Fuel Vapor-Containment Valve Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  32

OK: Go to next step 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

NEXT: PERFORM EVAPORATIVE SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

HINT:

In the manual operation check, the EVAP system can be checked in signal steps. Valve operation and pressure in each step can also be checked.

1. Clear DTCs (See DTC CHECK / CLEAR ).
2. Remove the fuel tank cap and reinstall the fuel cap.
3. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Manual Mode.

Tester Display 

Manual Operation Step 

Timing Chart

Fig 18: Timing Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Select the step 1 and wait 10 seconds.

1. Perform step 2.
2. Check the EVAP pressure 2 seconds after the leak detection pump is activated*.

   *: The leak detection pump begins to operate at the start of step 2.

   Fig 19: Evaporative System Performance Chart (Manual Mode)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check the EVAP pressure again when it has stabilized. This pressure is the first reference pressure standard.

Fig 20: Evaporative System Performance Chart When Pressure Stabilized

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B:  Go to step  11

C:  Go to step  28

A: PERFORM EVAPORATIVE SYSTEM CHECK (MANUAL MODE STEP 3) 

1. Perform step 3.
2. Check the EVAP pressure change in step 3.
   Fig 21: Evaporative System Performance Chart (EVAP Pressure Change In Step 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Test Result	Suspected Trouble Area	Proceed to
   EVAP pressure change In step (b) is 762 mmHg-a or more	Not yet determined	A
   EVAP pressure In step (b) is below 762 mmHg-a	Vent valve stuck OFF	B

3. Check the fuel tank pressure change in step 3.
   Fig 22: Evaporative System Performance Chart (Fuel Tank Pressure Change In Step 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Test Result	Suspected Trouble Area	Proceed to
   Fuel tank pressure In step (b) is below 763.7 mmHg-a	Not yet determined	A
   Fuel tank pressure change in step (b) is 763.7 mmHg-a or more	Fuel vapor-containment valve (FVCV) ON (open) stuck	C

4. Check the EVAP pressure again when it has stabilized. This pressure is the canister leak pressure standard.
5. Compare the first reference pressure with the canister leak pressure.

Fig 23: Evaporative System Performance Chart (Canister Leak Pressure)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B:  Go to step  16

C:  Go to step  23

D:  Go to step  18

A: Go to next step 

1. Perform step 4.
2. Check the EVAP pressure change in step 4.

Fig 24: Evaporative System Performance Chart (EVAP Pressure Change In Step 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B:  Go to step  5

A: Go to next step 

1. Perform step 5 and wait 60 seconds.
2. Check the EVAP pressure. This pressure is the second reference pressure standard.

1. Perform step 6 and wait 5 seconds.

1. Perform step 7.
2. Check that the tank pressure and EVAP pressure change.
3. Check the tank pressure again when it has stabilized. This pressure is the fuel tank leak pressure standard.

Fig 25: Evaporative System Performance Chart (Manual Mode Step 7)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B:  Go to step  23

A: Go to next step 

1. Perform step 8 and wait 60 seconds.
2. Check the EVAP pressure. This pressure is the third reference pressure standard.
3. Compare the tank pressure checked in step 8 with the third reference pressure.

Fig 26: Evaporative System Performance Chart (Manual Mode Step 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B:  Go to step  20

A: Go to next step 

1. KEY-OFF MONITOR DRIVE PATTERN
   1. Connect the Techstream to the DLC3.
   2. Confirm the following conditions are satisfied:
      • The fuel level is less than 90%.
      • The altitude is less than 8,000 ft. (2,400 m).
      • The vehicle is stopped (the vehicle speed is less than 2 mph).
      • The ECT is 4.4 to 35°C (40 to 95°F.)
      • The IAT is 4.4 to 35°C (40 to 95°F).
      • Driven vehicle in the city area or on free-way for 10 minutes or more.
   3. Perform the drive pattern:
      1. Allow the engine to idle for 5 minutes or more.
      2. Turn the power switch off and wait 6 hours.
   4. Check the monitor status with the Techstream.
2. PURGE FLOW MONITOR DRIVE PATTERN (P0441)

1. Connect the Techstream to the DLC3.
2. Confirm that the following conditions are satisfied:
   • The Engine Coolant Temperature (ECT) is more than 4.4°C (40°F).
   • The Intake Air Temperature (IAT) is more than 4.4°C (40°F).
3. Perform the drive pattern:
   1. Remove and reinstall the fuel cap to release the fuel tank pressure.
   2. Warm up the engine until the ECT reaches 75°C (167°F) or more.
   3. Driven vehicle in the city area or on free-way for 10 minutes or more.
4. Check the monitor status with the Techstream.

NEXT: PERFORM EVAPORATIVE SYSTEM CHECK AGAIN (AUTOMATIC MODE)