Inspection Procedure

1. Turn the ignition switch OFF and wait 10 seconds.
2. Turn the ignition switch ON.
3. Turn the ignition switch off and wait 10 seconds.
4. Connect the intelligent tester to the DLC3.
5. Turn the ignition switch ON and press the intelligent tester switch on.
6. Enter the following menus: DIAGNOSIS/ ENHANCED OBD II/ DTC INFO/ CURRENT CODES.
7. Confirm the DTCs and freeze frame data.

EVAP Related DTCs 

DTC and Malfunction Cross-Reference 

1. Clear with the intelligent tester.
2. Remove the fuel tank cap and reinstall the fuel cap.
3. Enter the following menus: DIAGNOSIS/ ENHANCED OBDII/ SYSTEM CHECK/ EVAP SYS CHECK/ AUTO OPERATION.
4. After the EVAP SYSTEM CHECK is completed, check for pending DTC. Enter the following menus:

DIAGNOSIS/ ENHANCED OBDII/ DTC INFO/ PENDING 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 

C : GO TO STEP   15 

D : GO TO STEP   6 

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   15 

C : GO TO STEP   21 

D : GO TO STEP   23 

A : go to next step 

1. Disconnect the hose (to throttle body) from the EVAP VSV.
2. Start the engine.
3. Use your finger and confirm that the EVAP VSV has suction.

Fig 1: Disconnecting Hose (To Throttle Body) From EVAP VSV

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 EVAP VSV.
2. Start the engine.
3. Enter the following menus on the intelligent tester.:

   ACTIVE TEST/ EVAP VSV (ALONE)

4. Turn the EVAP VSV OFF (EVAP VSV: OFF).
5. Use your finger and confirm that the EVAP VSV has no suction.
6. Turn the EVAP VSV ON (EVAP VSV: ON).
7. Turn the EVAP VSV ON (EVAP VSV: ON).

   OK: EVAP VSV functions normally 

OK : GO TO STEP   19 

Fig 2: Identifying EVAP On\Off Position

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : Go to next step. 

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

Fig 3: Applying Battery Voltage To EVAP VSV

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG : GO TO STEP   27 

OK : Go to next step. 

1. Disconnect the V4 EVAP VSV connector.
2. Turn the ignition switch ON.
3. Measure the voltage between terminal 1 of the V4 connector and the body ground.

Fig 4: Identifying V4 EVAP VSV Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG : GO TO STEP   32 

OK : Go to next step. 

1. Disconnect the H15 HV Control ECU connector and the V4 EVAP VSV connector.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

NG : GO TO STEP   32 

Fig 5: Disconnecting H15 HV Control ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step. 

NEXT : PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

1. Turn the ignition switch off.
2. Remove the canister lower cover.
3. Disconnect the L2 canister connector.
4. Connect the intelligent tester to DLC3.
5. Turn the ignition switch ON.
6. Enter the following menus: ACTIVE TEST/ VACUUM PUMP (ALONE).
7. Turn the vacuum pump on with the tester.
8. Measure the voltage between terminals 1 and 6 of the L2 connector.

   Standard voltage: 10 to 14 V 

OK : GO TO STEP   15 

Fig 6: Disconnecting L2 Canister Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : Go to next step. 

1. Turn the ignition switch off.
2. Measure the resistance between terminal L2-6 and the body ground.

   Standard resistance: Below 10 Ω 

NG : GO TO STEP   32 

Fig 7: Identifying L2 Canister Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step. 

1. Disconnect the H13 connector.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

NG : GO TO STEP   32 

Fig 8: Disconnecting H13 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step. 

NEXT : PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

1. Turn the ignition switch off.
2. Remove the canister lower cover.
3. Disconnect the L2 canister connector.
4. Connect the intelligent tester to DLC3.
5. Turn the ignition switch ON.
6. Enter the following menus: ACTIVE TEST/ VACUUM PUMP (ALONE).
7. Turn the vacuum pump on with the tester.
8. Measure the voltage between terminals 8 and 9 of the L2 connector and the body ground.

   Standard voltage: 10 to 14 V 

OK : GO TO STEP   28 

Fig 9: Disconnecting L2 Canister Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : Go to next step. 

1. Turn the ignition switch off.
2. Measure the resistance between terminal L2-9 and the body ground.

   Standard resistance: Below 10 Ω 

NG : GO TO STEP   32 

Fig 10: Identifying L2 Canister Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step. 

1. Disconnect the H13 connector.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

NG : GO TO STEP   32 

Fig 11: Disconnecting H13 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step. 

1. Remove the canister cover.
2. Pinch the atmospheric side hose of the pump module with the clip (SST) to close the canister's passage to air.
3. Connect the pressure gauge (SST) to the service port (green cap near the air cleaner box).
4. Pressurize the EVAP system to between 24 and 28 mmHg.
   NOTE: More than 35 mmHg of pressure will damage the EVAP system. Pay attention to the pressure.
5. Apply soapy water to the piping and connecting parts of the EVAP system. Look for the area where bubbles appear.

   HINT:

   • If the system has leaks, a whistling sound will be heard.
   • Disconnect the hose between the canister and fuel tank from the canister. Close the canister on the area where the hose was connected and perform an inspection. The fuel tank can be eliminated from the suspected areas for leak checks.

Fig 12: Connecting Pressure Gauge To Service Port

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NEXT : PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

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. 

1. Remove the canister cover.
2. Pinch the atmospheric side hose of the pump module with the clip (SST) to close the canister's passage to air.
3. Connect the pressure gauge (SST) to the service port (green cap near the air cleaner box).
4. Connect the intelligent tester to the DLC3.
5. Turn the ignition switch ON.
6. Enter the following menus: ACTIVE TEST / FVCV.
7. Turn the fuel vapor-containment valve ON with the tester.
8. Pressurize the EVAP system to between 24 and 28 mmHg.
   NOTE: More than 35 mmHg of pressure will damage the EVAP system. Pay attention to the pressure.
9. Apply soapy water to the piping and connecting parts of the EVAP system. Look for the area where bubbles appear.

   HINT:

   • If the system has leaks, a whistling sound will be heard.
   • Disconnect the hose between the canister and fuel tank from the canister. Close the canister on the area where the hose was connected and perform an inspection. The fuel tank can be eliminated from the suspected areas for leak checks.

Fig 13: Pinching Atmospheric Side Hose Of Pump Module With Clip

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Turn the ignition switch off.
2. Disconnect the BO1 wire harness to wire harness connector.
3. Connect the intelligent tester to the DLC3.
4. Turn the ignition switch ON.
5. Enter the following menus: ACTIVE TEST / TANK CLS VALVE.
6. Turn the fuel vapor-containment valve ON with the tester.
7. Measure the voltage between terminals 3 and 7 of the BO1 connector.

   Standard voltage: 10 to 14 V 

OK : GO TO STEP   29 

Fig 14: Identifying BO1 Wire Harness To Wire Harness Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : Go to next step. 

1. Turn the ignition switch ON.
2. Measure the voltage between terminal BO1-3 and the body ground.

   Standard voltage: 10 to 14 V 

NG : GO TO STEP   32 

OK : Go to next step. 

Fig 15: Identifying BO1 Wire Harness To Wire Harness Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the H13 HV Control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

Standard resistance 

NG : GO TO STEP   32 

Fig 16: Disconnecting H13 HV Control ECU Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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) 

1. Remove the fuel tank assembly. (See REMOVAL )
2. Disconnect the fuel vapor-containment valve connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   BO1-3 - V16-1	Below 1 Ω
   BO1-7 - V16-2	Below 1 Ω

4. Reinstall fuel tank assembly. (See INSTALLATION )

NG : GO TO STEP   32 

Fig 17: Disconnecting Fuel Vapor-Containment Valve Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 EVAP SYSTEM CHECK AGAIN (AUTO OPERATION) 

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 DTC CHECK / CLEAR 
2. Remove the fuel tank cap and reinstall the fuel cap.
3. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / SYSTEM CHECK / EVAP SYS CHECK / MANUAL OPERATION.

Tester Display 

Manual Operation Step 

Timing Chart

Fig 19: Timing Chart - EVAP System Check (Manual Operation Step 1)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Select the step  1 and wait 10 seconds.

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

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

   Fig 20: Timing Chart - EVAP System Check (Manual Operation Step 2)

   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 21: Timing Chart - EVAP System Check (Manual Operation Step 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B : GO TO STEP   11 

C : GO TO STEP   28 

A : go to next step 

1. Perform the step  3.
2. Check the EVAP pressure change in step  3.
   Fig 22: Timing Chart - EVAP System Check (Manual Operation Step 4)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Test Results	Suspected Trouble Areas	Proceed To
   EVAP pressure change in step (b) is 0.3 kPa (2.25 mmHg) or more	Not yet determined	A
   EVAP pressure in step (b) is below 0.3 kPa (2.25 mmHg)	Vent valve OFF stuck	B

3. Check the fuel tank pressure change in step  3.
   Fig 23: Timing Chart - EVAP System Check (Manual Operation Step 5)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT REFERENCE
   
   

   Test Results	Suspected Trouble Areas	Proceed To
   Fuel tank pressure in step (b) is below 0.5 kPa (3.75 mmHg)	Not yet determined	A
   Fuel tank pressure change in step (b) is 0.5 kPa (3.75 mmHg) or more	Fuel vapor-containment valve 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 24: Timing Chart - EVAP System Check (Manual Operation Step 6)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B : GO TO STEP   15 

C : GO TO STEP   23 

D : GO TO STEP   6 

A : go to next step 

1. Perform the step  4.
2. Check the EVAP pressure change in step  3.

Fig 25: Timing Chart - EVAP System Check (Manual Operation Step 7)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B : GO TO STEP   5 

A : go to next step 

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

1. Perform the step  6 and wait 5 seconds.

1. Perform the 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 26: Timing Chart - EVAP System Check (Manual Operation Step 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B : GO TO STEP   23 

A : go to next step 

1. Perform the 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  1 with the third reference pressure.

Fig 27: Timing Chart - EVAP System Check (Manual Operation Step 9)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B : GO TO STEP   30 

A : go to next step 

1. KEY-OFF MONITOR DRIVE PATTERN
   1. Connect the intelligent tester 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)
   3. Perform the drive pattern:
      1. Allow the engine to idle for 5 minutes or more.
      2. Turn the ignition switch off and wait 6 hours.
   4. Check the monitor status with the intelligent tester.
2. PURGE FLOW MONITOR DRIVE PATTERN (P0441)
   1. Connect the intelligent tester 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. Run the engine at 3,000 rpm once.
      4. Allow the engine to idle and turn on the air conditioning (A/C) for 1 minute.
   4. Check the monitor status with the intelligent tester.

NEXT : PERFORM EVAP SYSTEM CHECK AGAIN (AUTO OPERATION)