Toyota Corolla (2004+). Manual - part 67

 

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Toyota Corolla (2004+). Manual - part 67

 

 

05-226
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
12
CHECK HARNESS AND CONNECTOR(EFI RELAY - VSV FOR CCV, VSV FOR CCV
- ECM)
(a) Check the harness and connector between the VSV for
Wire Harness Side:
CCV and ECM.
VSV for CCV Connector
(1)
Disconnect the V2 VSV for CCV connector.
V2
(2)
Disconnect the E5 ECM connector.
(3)
Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Front View
Tester Connection
Specified Condition
A54386
VSV for CCV (V2-1) - CCV (E5-1)
Below 1 W
Tester Connection
Specified Condition
VSV for CCV (V2-1) or CCV (E5-1) - Body ground
10 kW or higher
(4)
Reconnect the VSV for CCV connector.
E5
(5)
Reconnect the ECM connector.
(b) Check the harness and the connector between the VSV
for CCV and EFI relay.
(1)
Disconnect the V2 VSV for CCV connector.
(2)
Remove the EFI relay from the engine room R/B.
CCV
(3)
Check the resistance between the wire harness
ECM Connector
A65744
side connectors.
Standard (Check for open):
Engine Room R/B:
Tester Connection
Specified Condition
VSV for CCV (V2-2) - EFI relay (3)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
VSV for CCV (V2-2) or EFI relay (3) - Body ground
10 kW or higher
EFI Relay
(4)
Reconnect the VSV for CCV connector.
(5)
Reinstall the EFI relay.
A65750
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ECM (See page 10-11)
05-227
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
13
PERFORM ACTIVE TEST BY HAND-HELD TESTER(VSV FOR PRESSURE
SWITCHING VALVE)
(a) Select the item ”DIAGNOSIS/ENHANCED OBD II/AC-
Air
Air
TIVE TEST” mode on the hand-held tester.
(b) Select the item ”TANK BYPASS VSV/ALL” in the ACTIVE
E
E
TEST and operate TANK BYPASS VSV (Press the right
or left button).
(c)
Check the VSV operation when it is operated by the
hand-held tester.
F
F
Result:
VSV is ON
VSV is OFF
A52984
VSV is ON: Air from port E flows out through port F.
VSV is OFF: Air does not flow from port E to port F.
OK Go to step 16
NG
14
INSPECT VSV FOR PRESSURE SWITCHING VALVE(OPERATION)
NG REPLACE VSV FOR PRESSURE SWITCHING
VALVE
OK
05-228
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
15
CHECK HARNESS AND CONNECTOR(EFI RELAY - VSV FOR PRESSURE
SWITCHING VALVE, VSV FOR PRESSURE SWITCHING VALVE - ECM)
(a) Check the harness and the connector between the VSV
Wire Harness Side:
for pressure switching valve and the ECM.
VSV for Pressure Switching Valve
(1)
Disconnect the V5 VSV for pressure switching valve
V5
connector.
(2)
Disconnect the E6 ECM connector.
(3)
Check the resistance between the wire harness
side connectors.
Front View
Standard (Check for open):
A72890
Tester Connection
Specified Condition
VSV for pressure switching valve (V5-1) - TBP (E6-4)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
E6
VSV for pressure switching valve (V5-1) or TBP (E6-4)
10 kW or higher
- Body ground
(4)
Reconnect the VSV for pressure switching valve
connector.
TBP
(5)
Reconnect the ECM connector.
(b) Check the harness and the connector between the VSV
ECM Connector
A65748
for pressure switching valve and EFI relay.
(1)
Disconnect the V5 VSV for pressure switching valve
Engine Room R/B:
connector.
(2)
Remove the EFI relay from the engine room R/B.
(3)
Check the resistance between the wire harness
side connectors.
Standard (Check for open):
EFI Relay
Tester Connection
Specified Condition
VSV for pressure switching valve (V5-2) - EFI relay (3)
Below 1 W
Standard (Check for short):
A65750
Tester Connection
Specified Condition
VSV for pressure switching valve (V5-2) or EFI relay (3)
10 kW or higher
- Body ground
(4)
Reconnect the VSV for pressure switching valve
connector.
(5)
Reinstall the EFI relay.
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ECM (See page
10-11)
05-229
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
16
CHECK FOR EVAPORATIVE EMISSIONS LEAK(NEAR FUEL TANK)
(a) Check whether hoses close to the fuel tank have been
modified, and check if there are signs of any accident
near the fuel tank.
(1)
Check the following parts for cracks, deformation or
loose connection:
F
Fuel tank
F
Fuel tank filler pipe
F
Hoses and tubes around fuel tank
A10193
NG REPAIR OR REPLACE EVAPORATIVE
EMISSIONS LEAK PART
OK
17
CHECK VACUUM HOSES(VAPOR PRESSURE SENSOR - FUEL TANK,
CHARCOAL CANISTER - VSV FOR PRESSURE SWITCHING VALVE)
(a) Check that the vacuum hose is connected correctly.
(b) Check the vacuum hose for looseness and disconnection.
(c)
Check the vacuum hose for cracks, hole and damage.
NG REPAIR OR REPLACE VACUUM HOSE
OK
18
CHECK HOSE AND TUBE(FUEL TANK - CHARCOAL CANISTER)
(a) Check the connection between the fuel tank and fuel EVAP pipe, the fuel EVAP pipe and under floor
fuel tube, the under floor fuel tube and charcoal canister.
(b) Check the hose and the tube for cracks, hole and damage.
NG REPAIR OR REPLACE HOSE AND TUBE
OK
19
INSPECT ECM(VC VOLTAGE)
(a) Turn the ignition switch ON.
(b) Measure the voltage between the terminals of the E3
E3
VC (+)
ECM connector.
Standard:
Tester Connection
Specified Condition
VC (E3-18) - E2 (E3-28)
4.5 to 5.5 V
E2 (-)
ECM Connector
A65741
NG REPLACE ECM (See page 10-11)
OK
05-230
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
20
INSPECT ECM(PTNK VOLTAGE)
(a) Turn the ignition switch ON.
(b) Measure the voltage between terminals of the E3 and E6
E3
E6
ECM connectors.
(1)
Disconnect the vacuum hose from the vapor pres-
sure sensor.
Standard (1):
Tester Connection
Specified Condition
E2 (-)
PTNK (+)
PTNK (E6-21) - E2 (E3-28)
2.9 to 3.7 V
A65741
NOTICE:
The vacuum applied to the vapor pressure sensor must be
TYPE A
less than 66.7 kPa (500 mmHg, 19.7 in.Hg).
Disconnect
(2)
Using the MITYVAC (Hand-held Vacuum Pump),
apply a vacuum of 4.0 kPa (30 mmHg, 1.18 in.Hg)
to the vapor pressure sensor.
Standard (2):
TYPE B
Vacuum
Tester Connection
Specified Condition
Disconnect
PTNK (E6-21) - E2 (E3-28)
0.5 V or less
Vacuum
(3)
Reconnect the vacuum hose.
A73630
OK Go to step 22
NG
21
CHECK HARNESS AND CONNECTOR(VAPOR PRESSURE SENSOR - ECM)
(a) Disconnect the V4 vapor pressure sensor connector.
Wire Harness Side:
(b) Disconnect the E3 and E6 ECM connectors.
Vapor Pressure Sensor Connector
(c)
Check the resistance between the wire harness side con-
V4
nectors.
Standard (Check for open):
Tester Connection
Specified Condition
PTNK (V4-2) - PTNK (E6-21)
GND PTNK VCC
GND (V4-1) - E2 (E3-28)
Below 1 W
Front View
VCC (V4-3) - VC (E3-18)
A72886
Standard (Check for short):
Tester Connection
Specified Condition
PTNK (V4-2) or PTNK (E6-21) - Body ground
10 kW or higher
E3
E6
VCC (V4-3) or VC (E3-18) - Body ground
(d) Reconnect the vapor pressure sensor connector.
(e) Reconnect the ECM connectors.
VC
PTNK
E2
ECM Connector
A79127
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
05-231
DIAGNOSTICS
-
SFI SYSTEM (April, 2003)
REPLACE ECM (See page 10-11)
22
INSPECT FUEL TANK INLET VALVE ASSY
NG REPLACE FUEL TANK INLET VALVE ASSY
OK
23
INSPECT FUEL TANK ASSY
NG REPLACE FUEL TANK ASSY
OK
24
INSPECT CHARCOAL CANISTER ASSY(CRACKS, HOLE AND DAMAGE)
NG REPAIR OR REPLACE CHARCOAL CANISTER
ASSY
OK
REPLACE ECM (See page 10-11)
OBDII scan tool (excluding Hand-held Tester):
1
CHECK FUEL TANK CAP ASSY(CHECK THAT FUEL TANK CAP IS TOYOTA
GEHUINE PARTS)
NG REPLACE TO GENUINE PARTS
OK
2
CHECK THAT FUEL TANK CAP IS CORRECTLY INSTALLED
NG CORRECTLY INSTALL FUEL TANK CAP
OK
3
INSPECT FUEL TANK CAP ASSY (See page 12-1)
NG REPLACE FUEL TANK CAP ASSY
OK
05-232
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
4
CHECK FILLER NECK FOR DAMAGE
(a) Remove the fuel tank cap.
(b) Visually check the fuel inlet pipe for damage.
NG REPLACE FUEL TANK INLET PIPE SUB-ASSY
OK
5
CHECK FOR EVAPORATIVE EMISSIONS LEAK(NEAR FUEL TANK OR CHACOAL
CANISTER)
(a) Check whether hoses close to the fuel tank have been
modified, and check if there are signs of any accident
near the fuel tank or the charcoal canister.
(1)
Check the following parts for cracks, deformation or
loose connection:
F
Fuel tank
F
Charcoal canister
F
Fuel tank filler pipe
A10193
F
Hoses and tubes around fuel tank and char-
coal canister
NG REPAIR OR REPLACE EVAPORATIVE
EMISSIONS LEAK PART
OK
6
CHECK VACUUM HOSES(VAPOR PRESSURE SENSOR - FUEL TANK,
CHARCOAL CANISTER - VSV FOR PRESSURE SWITCHING VALVE)
(a) Check that the vacuum hose is connected correctly.
(b) Check the vacuum hose for looseness and disconnection.
(c)
Check the vacuum hose for cracks, hole and damage.
NG REPAIR OR REPLACE VACUUM HOSE
OK
7
CHECK HOSE AND TUBE(FUEL TANK - CHARCOAL CANISTER)
(a) Check the connection between the fuel tank and fuel EVAP pipe, the fuel EVAP pipe and under floor
fuel tube, the under floor fuel tube and charcoal canister.
(b) Check the hose and the tube for cracks, hole and damage.
NG REPAIR OR REPLACE HOSE AND TUBE
OK
05-233
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
8
CHECK VACUUM HOSES((5), (6), (7), (8) AND (9) IN FIG. 1 IN CIRCUIT
DESCRIPTION)
(a) Check that the vacuum hose is connected correctly.
(b) Check the vacuum hose for looseness and disconnection.
(c)
Check the vacuum hose for cracks, hole and damage.
NG REPAIR OR REPLACE VACUUM HOSES
OK
9
CHECK EACH VSV CONNECTOR FOR LOOSENESS AND DISCONNECTION(VSV
FOR EVAP, VSV FOR CCV, VSV FOR PRESSURE SWITCHING VALVE)
NG REPAIR OR CONNECT VSV AND SENSOR
CONNECTOR
OK
10
INSPECT CHARCOAL CANISTER ASSY(CRACKS, HOLE AND DAMAGE)
NG CHECK AND REPLACE CHARCOAL CANISTER
ASSY
OK
11
INSPECT ECM(VC VOLTAGE)
(a) Turn the ignition switch ON.
(b) Measure voltage between the terminals of the E3 ECM
E3
VC (+)
connector.
Standard:
Tester Connection
Specified Condition
VC (E3-18) - E2 (E3-28)
4.5 to 5.5 V
E2 (-)
ECM Connector
A65741
NG REPLACE ECM (See page 10-11)
OK
05-234
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
12
INSPECT ECM(PTNK VOLTAGE)
(a) Turn the ignition switch ON.
(b) Measure the voltage between terminals of the E3 and E6
E3
E6
ECM connectors.
(1)
Disconnect the vacuum hose from the vapor pres-
sure sensor.
Standard (1):
Tester Connection
Specified Condition
E2 (-)
PTNK (+)
PTNK (E6-21) - E2 (E3-28)
2.9 to 3.7 V
A65741
NOTICE:
The vacuum applied to the vapor pressure sensor must be
TYPE A
less than 66.7 kPa (500 mmHg, 19.7 in.Hg).
Disconnect
(2)
Using the MITYVAC (Hand-held Vacuum Pump),
apply a vacuum of 4.0 kPa (30 mmHg, 1.18 in.Hg)
to the vapor pressure sensor.
Standard (2):
TYPE B
Vacuum
Tester Connection
Specified Condition
Disconnect
PTNK (E6-21) - E2 (E3-28)
0.5 V or less
Vacuum
(3)
Reconnect the vacuum hose from the vapor pres-
A73630
sure sensor.
OK Go to step 14
NG
05-235
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
13
CHECK HARNESS AND CONNECTOR(VAPOR PRESSURE SENSOR - ECM)
(a) Disconnect the V4 vapor pressure sensor connector.
Wire Harness Side:
(b) Disconnect the E3 and E6 ECM connectors.
Vapor Pressure Sensor Connector
(c)
Check the resistance between the wire harness side con-
nectors.
V4
Standard (Check for open):
Tester Connection
Specified Condition
PTNK (V4-2) - PTNK (E6-21)
GND PTNK VCC
GND (V4-1) - E2 (E3-28)
Below 1 W
Front View
VCC (V4-3) - VC (E3-18)
A72886
Standard (Check for short):
Tester Connection
Specified Condition
PTNK (V4-2) or PTNK (E6-21) - Body ground
10 kW or higher
E3
E6
VCC (V4-3) or VC (E3-18) - Body ground
(d) Reconnect the vapor pressure sensor connector.
(e) Reconnect the ECM connectors.
VC
E2
PTNK
NG REPAIR OR REPLACE HARNESS OR
ECM Connector
A79127
CONNECTOR
OK
REPLACE ECM (See page 10-11)
14
INSPECT VSV FOR EVAP(FUNCTION)
(a) Turn the ignition switch ON.
(b) Check the VSV function.
E3
(1)
Connect between terminals EVP and E2 of the
ECM connector (VSV ON).
VSV is ON:
Air from port E flows out through port F
(2)
Disconnect between terminals EVP and E2 of the
EVP (+)
E2 (-)
ECM connector (VSV OFF).
A65741
VSV is OFF:
Air does not flow port E to port F
Air
Air
E
E
F
F
VSV is ON
VSV is OFF
A65767
OK Go to step 17
NG
05-236
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
15
INSPECT VSV FOR EVAP(OPERATION) (See page 12-6)
NG REPLACE VSV FOR EVAP
OK
16
CHECK HARNESS AND CONNECTOR(EFI RELAY - VSV FOR EVAP, VSV FOR
EVAP - ECM)
(a) Check the harness and connector between the VSV for
Wire Harness Side:
EVAP and ECM.
VSV for EVAP Connector
(1)
Disconnect the V3 VSV for EVAP connector.
V3
(2)
Disconnect the E3 ECM connector.
(3)
Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Front View
Tester Connection
Specified Condition
A52933
VSV for EVAP (V3-1) - EVP (E3-12)
Below 1 W
A51984
Standard (Check for short):
Tester Connection
Specified Condition
VSV for EVAP (V3-1) or EVP (E3-12) - Body ground
10 kW or higher
E3
(4)
Reconnect the VSV for EVAP connector.
(5)
Reconnect the ECM connector.
(b) Check the harness and connector between the VSV for
EVAP and EFI relay.
EVP
(1)
Disconnect the V3 VSV for EVAP connector.
ECM Connector
(2)
Remove the EFI relay from the engine room R/B.
A65743
(3)
Check the resistance between the wire harness
side connectors.
Engine Room R/B:
Standard (Check for open):
Tester Connection
Specified Condition
VSV for EVAP (V3-2) - EFI relay (3)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
VSV for EVAP (V3-2) or EFI relay (3) - Body ground
10 kW or higher
EFI Relay
(4)
Reconnect the VSV for EVAP connector.
(5)
Reinstall the EFI relay.
A65750
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ECM (See page 10-11)
05-237
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
17
INSPECT VSV FOR CCV(FUNCTION)
(a) Turn the ignition switch ON.
CCV
(b) Check the VSV function.
(1)
Connect between terminals CCV and E2 of the
ECM connector (VSV ON).
VSV is ON:
Air from port E flows out through port F
(2)
Disconnect between terminals CCV and E2 of the
ECM connector (VSV OFF).
E2
A53763
VSV is OFF:
Air does not flow from port E to port F
F
F
Air
Air
E
E
VSV is ON
VSV is OFF
A65768
OK Go to step 20
NG
18
INSPECT VSV FOR CCV(OPERATION) (See page 12-6)
NG REPLACE VSV FOR CCV
OK
05-238
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
19
CHECK HARNESS AND CONNECTOR(EFI RELAY - VSV FOR CCV, VSV FOR CCV
- ECM)
(a) Check the harness and the connector between the VSV
Wire Harness Side:
for CCV and ECM.
VSV for CCV Connector
(1)
Disconnect the V2 VSV for CCV connector.
V2
(2)
Disconnect the E5 ECM connector.
(3)
Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Front View
Tester Connection
Specified Condition
A54386
VSV for CCV (V2-1) - CCV (E5-1)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
VSV for CCV (V2-1) or CCV (E5-1) - Body ground
10 kW or higher
E5
(4)
Reconnect the VSV for CCV connector.
(5)
Reconnect the ECM connector.
(b) Check the harness and the connector between the VSV
for CCV and EFI relay.
CCV
(1)
Disconnect the V2 VSV for CCV connector.
(2)
Remove the EFI relay from the engine room R/B.
ECM Connector
A65744
(3)
Check the resistance between the wire harness
side connectors.
Engine Room R/B:
Standard (Check for open):
Tester Connection
Specified Condition
VSV for CCV (V2-2) - EFI relay (3)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
VSV for CCV (V2-2) or EFI relay (3) - Body ground
10 kW or higher
EFI Relay
(4)
Reconnect the VSV for CCV connector.
(5)
Reinstall the EFI relay.
A65750
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ECM (See page 10-11)
05-239
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
20
INSPECT VSV FOR PRESSURE SWITCHING VALVE(FUNCTION)
(a) Turn the ignition switch ON.
(b) Check the VSV function.
E3
E6
(1)
Connect between terminals TBP and E2 of the ECM
connector (VSV ON).
VSV is ON: Air from port E flows out through port F
(2)
Disconnect between terminals TBP and E2 of the
ECM connector (VSV OFF).
E2
TBP
VSV is OFF: Air does not from flow port E to port F
A65741
Air
Air
E
E
F
F
VSV is ON
VSV is OFF
A52143
OK Go to step 23
NG
21
INSPECT VSV FOR PRESSURE SWITCHING VALVE(OPERATION)
(See page 12-6)
NG REPLACE VSV FOR PRESSURE SWITCHING
VALVE
OK
05-240
DIAGNOSTICS
- SFI SYSTEM (April, 2003)
22
CHECK HARNESS AND CONNECTOR(EFI RELAY - VSV FOR PRESSURE
SWITCHING VALVE, VSV FOR PRESSURE SWITCHING VALVE - ECM)
(a) Check the harness and the connector between the VSV
Wire Harness Side:
for pressure switching valve and ECM.
VSV for Pressure Switching Valve
(1)
Disconnect the V5 VSV for pressure switching valve
connector.
V5
(2)
Disconnect the E6 ECM connector.
(3)
Check the resistance between the wire harness
side connectors.
Front View
Standard (Check for open):
A72890
Tester Connection
Specified Condition
VSV for pressure switching valve (V5-1) - TBP (E6-4)
Below 1 W
Standard (Check for short):
Tester Connection
Specified Condition
E6
VSV for pressure switching valve (V5-1) or TBP (E6-4)
10 kW or higher
- Body ground
(4)
Reconnect the VSV for pressure switching valve
connector.
(5)
Reconnect the ECM connector.
TBP
(b) Check the harness and the connector between the VSV
ECM Connector
A65748
for pressure switching valve and EFI relay.
(1)
Disconnect the V5 VSV for pressure switching valve
Engine Room R/B:
connector.
(2)
Remove the EFI relay from the engine room R/B.
(3)
Check the resistance between the wire harness
side connectors.
Standard (Check for open):
Tester Connection
Specified Condition
EFI Relay
VSV for pressure switching valve (V5-2) - EFI relay (3)
Below 1 W
Standard (Check for short):
A65750
Tester Connection
Specified Condition
VSV for pressure switching valve (V5-2) or EFI relay (3)
10 kW or higher
- Body ground
(4)
Reconnect the VSV for pressure switching valve
connector.
(5)
Reinstall the EFI relay from.
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
REPLACE ECM (See page
10-11)

 

 

 

 

 

 

 

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