Page 721 of 3000

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–435
ES
(a) Disconnect the E9 ECM connector and the V3 purge
VSV connector.
(b) Measure the resistance between the terminals of the
purge VSV connector and ECM connector.
Standard resistance
(c) Reconnect the purge VSV connector.
(d) Reconnect the ECM connector.
OK
NG
(a) Turn the ignition switch to the ON position.
(b) Select the following menu items on the tester:
DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST /
VENT VALVE.
(c) Measure the voltage between terminal VPMP of the
ECM connector and body ground when the vent valve is
turned ON (close) and OFF (vent) using the tester.
Result
A
B
18CHECK HARNESS AND CONNECTOR (PURGE VSV - ECM)
A114636E07
Tester Connection Specified Condition
E9-34 (PRG) - V3-2 Below 1
E9-34 (PRG) - Body ground 10 k or higher
V3-1 - Body ground 10 k
or higher
Go to step 35
Go to step 32
19PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FOR VENT VALVE)
A162489E07Test Result Suspected Trouble Area Proceed to
Between 9 V and 14 V when
OFF
Below 3 V when ONVent valve A
Below 3 V when OFF and ON ECM B
Go to step 22
Go to step 35
Page 722 of 3000
ES–4362GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Turn the ignition switch to the ON position.
(b) Select the following menu items on the tester:
DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST /
VENT VALVE (ALONE).
(c) Measure the voltage between terminal VPMP of the
ECM connector and body ground when the vent valve is
turned ON (close) and OFF (vent) using the tester.
Result
B
C
A
20PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FOR VENT VALVE)
A162489E07Test Result Suspected Trouble Area Proceed to
Below 3 V when OFF and ON Power source of vent valve A
Between 9 V and 14 V when
OFF
Below 3 V when ONVe n t v a l v e B
Between 9 V and 14 V when
OFF and ONECM C
Go to step 22
Go to step 35
Page 723 of 3000

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–437
ES
(a) Turn the ignition switch off.
(b) Disconnect the C27 canister connector.
(c) Turn the ignition switch to the ON position.
(d) Measure the voltage between terminal 9 of the canister
connector and body ground.
Result
(e) Reconnect the canister connector.
B
A
(a) Turn the ignition switch off.
(b) Disconnect the C27 canister connector.
(c) Apply the battery voltage to terminals 9 and 8 of the
pump module.
(d) Touch the pump module to confirm the vent valve
operation.
Result
(e) Reconnect the canister connector.
A
B
21INSPECT PUMP MODULE (POWER SOURCE FOR VENT VALVE)
A165552E01
Test Result Suspected Trouble Area Proceed to
Between 9 V and 14 V - A
Between 0 V and 3 VPower source wire harness
of vent valveB
Go to step 32
22INSPECT PUMP MODULE (VENT VALVE OPERATION)
A096743E08
Test Result Suspected Trouble Area Proceed to
OperatingWire harness between vent
valve and ECMA
Not operating Vent valve B
Go to step 32
Go to step 30
Page 724 of 3000

ES–4382GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Select the following menu items on the tester:
DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST /
VACUUM PUMP.
(b) Measure the voltage between terminal MPMP of the
ECM connector and body ground when the vacuum
pump is turned ON and OFF using the tester.
Result
B
A
(a) Turn the ignition switch off.
(b) Disconnect the C27 canister connector.
(c) Turn the ignition switch to the ON position.
(d) Select the following menu items on the tester:
DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST /
VACUUM PUMP.
(e) Turn the vacuum pump ON.
(f) Measure the voltage between terminal 1 of the canister
connector and body ground.
Result
(g) Reconnect the canister connector.
B
23PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FOR PUMP MODULE (VACUUM
PUMP))
A162489E08
Test Result Suspected Trouble Area Proceed to
Between 0 V and 3 V when
OFF
Between 9 V and 14 V when
ON-A
Between 9 V and 14 V when
OFF
Between 0 V and 3 V when
ONECM B
Go to step 35
24CHECK HARNESS AND CONNECTOR (PUMP MODULE - ECM)
A165552E01
Test Result Suspected Trouble Area Proceed to
Between 9 V and 14 V - A
Between 0 V and 3 VWire harness between ECM
and vacuum pumpB
Go to step 32
Page 725 of 3000

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–439
ES
A
(a) Disconnect the C27 canister connector.
(b) Turn the ignition switch off.
(c) Check the resistance between terminal 6 of the canister
connector and body ground.
Result
(d) Reconnect the canister connector.
A
B
(a) Stop the engine.
(b) Disconnect the EVAP hose from the throttle body.
(c) Start the engine.
(d) Confirm that the port of the throttle body has suction with
your fingers.
Result
(e) Reconnect the EVAP hose.
A
B
HINT:
• When reinstalling the fuel tank cap, tighten it until a few
click sounds are heard.
• When replacing the fuel tank cap, use a fuel tank cap that
meets OEM specifications, and tighten it until a few click
sounds are heard.
NEXT
25CHECK HARNESS AND CONNECTOR (PUMP MODULE - BODY GROUND)
A085258E68
Test Result Suspected Trouble Area Proceed to
Below 1
Vacuum Pump A
10 k
or higherWire harness between
vacuum pump and body
groundB
Go to step 30
Go to step 32
26INSPECT THROTTLE BODY
Test Result Suspected Trouble Area Proceed to
Suction appliedEVAP hose between throttle body and
purge VSVA
No suction Throttle body B
Go to step 33
Go to step 34
27CORRECTLY REINSTALL OR REPLACE FUEL TANK CAP
Go to step 37
Page 726 of 3000
ES–4402GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
HINT:
When installing the fuel tank cap, tighten it until a few click
sounds are heard.
NEXT
(a) Disconnect the vent hose.
(b) Connect the EVAP pressure tester tool to the canister
with the adapter.
28REPLACE FUEL TANK CAP ASSEMBLY
Go to step 37
29LOCATE EVAP LEAK
A163294E02
Page 727 of 3000
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–441
ES
(c) Pressurize the EVAP system by 3.2 to 3.7 kPa (24 to 28
mmHg).
(d) Apply soapy water to the piping and the connecting parts
of the EVAP system.
(e) Look for areas where bubbles appear. This indicates a
leak point.
(f) Repair or replace the leak point.
NEXT
(a) Replace the charcoal canister assembly (See page EC-
8).
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; 3) the fuel tank vent
hose.
A137044E01
Go to step 37
30REPLACE CHARCOAL CANISTER ASSEMBLY
Page 728 of 3000
ES–4422GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
NEXT
(a) Disconnect the connector and 2 hoses from the purge
VSV.
(b) Remove the purge VSV.
(c) Install a new purge VSV.
(d) Reconnect the connector and 2 hoses.
NEXT
NEXT
NEXT
A163294E01
Go to step 37
31REPLACE VACUUM SWITCHING VALVE NO. 1 (PURGE VSV)
A136285E01
Go to step 37
32REPAIR OR REPLACE HARNESS OR CONNECTOR
Go to step 37
33REPLACE EVAP HOSE (THROTTLE BODY - PURGE VSV)
Go to step 37