2007 TOYOTA SIENNA Service Repair Manual

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Page 385 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–79
ES
P2135 Throttle / Pedal
Position Sensor /
Switch "A" / "B"
Voltage Correlation1. Short between
VTA1 and VTA2
circuits
2. TP

Page 386 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–802GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P2198 Oxygen (A/F) Sensor
Signal Stuck Rich
(Bank 2 Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank

Page 387 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–81
ES
P2252 Oxygen (A/F) Sensor
Reference Ground
Circuit Low (Bank 1
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F

Page 388 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–822GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P2420 Evaporative Emission
System Switching
Valve Control Circuit
High1. Pump module
(0.02 inch orifice,
vacuum pump, vent
valve)
2. Conne

Page 389 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–83
ES
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, Oil Control Valve (OCV) and VVT controller.
The ECM sends a target duty-cy

Page 390 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–842GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
MONITOR DESCRIPTION
After the ECM sends the "target" duty-cycle signal to the OCV, the ECM monitors the OCV current to
establish an

Page 391 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–85
ES
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
• If DTC P0010 is displayed, check the intake camshaft circuit for the right bank VVT system.
• Ba

Page 392 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–862GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
OK
OK
NG
(a) Disconnect the C23 or C24 camshaft timing oil control
valve (OCV) connector.
(b) Measure the resistance according to the value(s)

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