2007 TOYOTA SIENNA Service Repair Manual

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Page 329 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–261
ES
1. A/F CONTROL
HINT:
Intelligent tester only:
Malfunctioning areas can be identified by performing the A/F CONTROL function provided in the
AC

Page 330 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–2622GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
• Following the A/F CONTROL procedure enables technicians to check and graph the voltage
outputs of both the A/F and HO2 sensors.
• To dis

Page 331 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–263
ES
(b) Turn the ignition switch to the ON position and turn the
tester on.
(c) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DT

Page 332 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–2642GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
Lean: During A/F CONTROL, the A/F sensor output
voltage (AFS) is consistently more than 3.35 V, and the
HO2 sensor output voltage (O2S) is co

Page 333 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–405
ES
DESCRIPTION
LOCATION
The Active Control Engine Mount (ACM) system decreases engine vibration at engine idling using the
ACM VSV. The VSV is co

Page 334 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–4062GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) If the hose is damaged, replace the vacuum hose
assembly.
(b) Check the air and vacuum hoses for loose

Page 335 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–407
ES
(a) Start the engine.
(b) Disconnect the vacuum hose from the air cleaner cap.
(c) Check that the disconnected port located on the vacuum
tank

Page 336 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–4082GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Disconnect the V3 VSV for ACM connector.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance:
19

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