Toyota FJ Cruiser (GSJ 10, 15 series). Manual — part 105

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES–375

ES

(5) Reinstall the fuel cap.

A

B

C

(a) Turn the ignition switch OFF.
(b) Disconnect the B22 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.

A

B

(a) Disconnect the hose (connected to the intake air surge

tank) from the purge VSV.

(b) Start the engine.
(c) Use your finger to confirm that the hose has suction.

Fuel cap loose

•

Fuel cap improperly installed

•

Defective fuel cap

•

Fuel cap does not meet OEM specifications

B

No fuel cap

-

C

Test Results

Suspected Trouble Areas

Proceed To

Go to step 29

Go to step 27

Go to step 28

14

INSPECT VACUUM SWITCHING VALVE ASSEMBLY NO. 1 (PURGE VSV)

Hose

Purge VSV

G035660E02

Test Results

Suspected Trouble Areas

Proceed To

No suction

ECM

A

Suction applied

Purge VSV

B

Go to step 35

Go to step 31

15

CHECK EVAP HOSE (PURGE VSV - INTAKE AIR SURGE TANK)

Hose

Purge VSV

G035661E03

ES–376

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES

Result

(d) Reconnect the hose.

B

A

(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) Reinstall the purge VSV.

B

A

(a) Disconnect the B22 purge VSV connector.
(b) Turn the ignition switch ON.
(c) Measure the voltage between terminal 1 of the purge

VSV connector and the body ground.

Result

(d) Reconnect the purge VSV connector.

Test Results

Suspected Trouble Areas

Proceed To

Suction applied

EVAP hose between purge VSV and intake air surge tank
normal

A

No suction

•

Intake air surge tank

•

EVAP hose between purge VSV and intake air surge tank

B

Go to step 26

16

INSPECT VACUUM SWITCHING VALVE ASSEMBLY NO. 1 (PURGE VSV)

Purge VSV:

Port A

Port B

G035662E01

Test Results

Suspected Trouble Areas

Proceed To

Air flows

Purge VSV normal

A

No air flow

Purge VSV

B

Go to step 31

17

CHECK HARNESS AND CONNECTOR (POWER SOURCE OF PURGE VSV)

Purge VSV
Connector

B22

Wire Harness Side:

Front View

A052933E26

Test Results

Suspected Trouble Areas

Proceed To

11 to 14 V

Normal

A

Other than result above

Wire harness or connectors between purge VSV and ECM

B

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES–377

ES

B

A

(a) Disconnect the B1 ECM connector and the B22 purge

VSV connector.

(b) Check the resistance.

Standard Resistance

(c) Reconnect the purge VSV connector.
(d) Reconnect the ECM connector.

OK

NG

(a) Connect an intelligent tester to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Select the following menu items: DIAGNOSIS /

ENHANCED OBD II / ACTIVE TEST / VENT VALVE.

(d) 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

A

B

Go to step 32

18

CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM)

B22

Wire Harness Side:

Front View

ECM Connector

B1

Purge VSV Connector

PRG

A116175E03

Tester Connections

Specified Conditions

PRG (B1-34) - Purge VSV (B22-2)

Below 1

Ω

PRG (B1-34) - Body ground

10 k

Ω or higher

Purge VSV (B22-2) - Body ground

10 k

Ω or higher

Go to step 35

Go to step 32

19

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (FOR VENT VALVE)

E47

VPMP

ECM Connector

G100798E13

Test Results

Suspected Trouble Areas

Proceed To

11 to 14 V when OFF
Below 3 V when ON

Vent valve

A

Below 3 V when OFF and ON

ECM

B

Go to step 22

Go to step 35

ES–378

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES

(a) Connect an intelligent tester to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Select the following menu items: DIAGNOSIS /

ENHANCED OBD II / ACTIVE TEST / VENT VALVE.

(d) 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

C

A

(a) Turn the ignition switch OFF.
(b) Disconnect the L10 canister connector.
(c) Turn the ignition switch ON.
(d) Measure the voltage between VLVB terminal of the

canister pump module connector and the body ground.

20

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (FOR VENT VALVE)

E47

VPMP

ECM Connector

G100798E13

Test Results

Suspected Trouble Areas

Proceed To

Below 3 V when OFF and ON

Power source of vent valve

A

11 to 14 V when OFF
Below 3 V when ON

Vent valve

B

11 to 14 V when OFF and ON

ECM

C

Go to step 22

Go to step 35

21

INSPECT CANISTER PUMP MODULE (POWER SOURCE FOR VENT VALVE)

1 2 3 4 5
6 7 8 9 10

Canister Pump Module Connector

Front View

Wire Harness Side:

VLVB

L10

L10

A133462E02