2007 TOYOTA SIENNA Service Repair Manual

Page 745 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEMES–459
ES
DESCRIPTION
The FUEL PUMP relay switches the fuel pump speed according to the engine conditions. The fuel pump 
operates when the ECM receives

Page 746 of 3000

TOYOTA SIENNA 2007  Service Repair Manual ES–4602GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEM
ES
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Check if there is pressure in the fuel inlet hose.
HINT:
If there is fuel pressure, the sound of fuel f

Page 747 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEMES–461
ES
OK
NG
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position and turn the 
intelligent tester or the O

Page 748 of 3000

TOYOTA SIENNA 2007  Service Repair Manual ES–4622GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEM
ES
NG
(a) Disconnect the E4 ECM connector.
(b) Remove the C/OPN relay from the engine room junction 
block.
(c) Measure the resistance according t

Page 749 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEMES–463
ES
(a) Reconnect the I15 ignition switch connector.
(b) Remove the C/OPN relay from the engine room junction 
block.
(c) Measure the resistance ac

Page 750 of 3000

TOYOTA SIENNA 2007  Service Repair Manual ES–4642GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEM
ES
NG
OK
(a) Measure the resistance of the fuel pump.
(1) Measure the resistance according to the value(s) in 
the table below.
Standard resistanc

Page 751 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEMES–465
ES
(a) Check the wire harness between the FUEL PUMP relay 
and fuel pump.
(1) Remove the FUEL PUMP relay from the engine 
room junction block.
(2)

Page 752 of 3000

TOYOTA SIENNA 2007  Service Repair Manual ES–4662GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEM
ES
NG
OK
(a) Remove the C/OPN relay from the engine room junction 
block.
(b) Remove the FUEL PUMP relay from the engine room 
junction block.
(c)