2007 TOYOTA SIENNA sensor

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
1, 2 sensor 1)
3. A/F sensor (bank
1, 2 sensor 1) heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. Intake system
7. Fuel pressure
8. Injector
9. ECMComes on DTC storedES-355
P2238 Oxygen (A/F) Sensor
Pumping Current
Circuit Low (Bank 1
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
(bank 1, 2 sensor 1)
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2239 Oxygen (A/F) Sensor
Pumping Current
Circuit High (Bank 1
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2241 Oxygen (A/F) Sensor
Pumping Current
Circuit Low (Bank 2
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
(bank 1, 2 sensor 1)
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2242 Oxygen (A/F) Sensor
Pumping Current
Circuit High (Bank 2
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

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 sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2253 Oxygen (A/F) Sensor
Reference Ground
Circuit High (Bank 1
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2255 Oxygen (A/F) Sensor
Reference Ground
Circuit Low (Bank 2
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2256 Oxygen (A/F) Sensor
Reference Ground
Circuit High (Bank 2
Sensor 1)1. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
2. A/F sensor (bank
1, 2 sensor 1)
3. A/F sensor heater
4. A/F sensor heater
relay
5. A/F sensor heater
and relay circuits
6. ECMComes on DTC storedES-372
P2401 Evaporative Emission
System Leak
Detection Pump
Control Circuit Low1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-257
P2402 Evaporative Emission
System Leak
Detection Pump
Control Circuit High1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-257
P2419 Evaporative Emission
System Switching
Valve Control Circuit
Low1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-257 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

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. Connector / wire
harness (pump
module - ECM)
3. ECMComes on DTC storedES-380
P2610 ECM / PCM Internal
Engine Off Timer
PerformanceECM Comes on DTC storedES-384
P2A00 A/F Sensor Circuit
Slow Response
(Bank 1 Sensor 1)1. Open or short in A/
F sensor circuit
2. A/F sensor
3. ECMComes on DTC storedES-387
P2A03 A/F Sensor Circuit
Slow Response
(Bank 2 Sensor 1)1. Open or short in A/
F sensor circuit
2. A/F sensor
3. ECMComes on DTC storedES-387 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

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-cycle control signal to the OCV. This control signal regulates the oil
pressure supplied to the VVT controller. Camshaft timing control is performed according to engine
operating conditions such as intake air volume, throttle valve position and engine coolant temperature.
The ECM controls the OCV, based on the signals transmitted by several sensors. The VVT controller
regulates the intake camshaft angle using oil pressure through the OCV. As a result, the relative positions
of the camshaft and crankshaft are optimized, the engine torque and fuel economy improves, and the
exhaust emissions decrease under overall driving conditions. The ECM detects the actual intake valve
timing using signals from the camshaft and crankshaft position sensors, and performs feedback control.
This is how the target intake valve timing is verified by the ECM.
DTC P0010Camshaft Position "A" Actuator Circuit (Bank
1)
DTC P0020Camshaft Position "A" Actuator Circuit (Bank
2)
DTC No. DTC Detection Condition Trouble Area
P0010Open or short in OCV for intake camshaft (bank 1)
circuit
(1 trip detection logic)• Open or short in OCV for intake camshaft (bank 1)
circuit
• OCV for intake camshaft (bank 1)
•ECM
P0020Open or short in OCV for intake camshaft (bank 2)
circuit
(1 trip detection logic)• Open or short in OCV for intake camshaft (bank 2)
circuit
• OCV for intake camshaft (bank 2)
•ECM
A103843E02

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 "actual" duty-cycle. The ECM detects a malfunction and sets a DTC when the actual duty-
cycle ratio varies from the target duty-cycle ratio.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
COMPONENT OPERATING RANGE
Related DTCsP0010: VVT OCV (bank 1) open/short
P0020: VVT OCV (bank 2) open/short
Required sensors / components (Main) VVT OCV (Variable Valve Timing oil control valve)
Required sensors / components (Sub) -
Frequency of operation Continuous
Duration 1 second
MIL operation Immediately
Sequence of operation None
Monitor will run whenever these DTCs are not present None
All of the following conditions are met: -
Starter OFF
Engine switch ON
Time after turning ignition switch off to on 0.5 seconds or more
One of the following conditions is met: Condition A, B or C
A. All of the following conditions are met: -
Battery voltage 11 to 13 V
Target duty ratio Less than 70 %
Output signal duty ratio 100 %
B. All of the following conditions are met: -
Battery voltage 13 V or more
Target duty ratio Less than 80 %
Output signal duty ratio 100 %
C. All of the following conditions are met: -
Current cut status Not cut
Output signal duty ratio 3 % or less
VVT OCV duty ratio More than 3 %, and Less than 100 %

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–89
ES
3) After above conditions 1) and 2) are met, the OCV is forcibly activated 63 times or more.
DTCs P0011 and P0021 (Advanced Cam Timing) are detected with 1 trip detection logic.
DTCs P0012 and P0022 (Retarded Cam Timing) are detected with 2 trip detection logic.
These DTCs indicate that the VVT controller cannot operate properly due to OCV malfunctions or the
presence of foreign objects in the OCV.
The monitor will not run unless the following conditions are met:
- The engine is warm (the engine coolant temperature is 75
C [167F] or more).
- The vehicle has been driven at more than 40 mph (64 km/h) for 3 minutes.
- The engine has idled for 3 minutes.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
P0011, P0021:
P0012, P0022:
If the difference between the target and actual camshaft timings is greater than the specified value, the
ECM operates the VVT actuator.
Then, the ECM monitors the camshaft timing change for 5 seconds.
WIRING DIAGRAM
Refer to DTC P0010 (See page ES-77).
INSPECTION PROCEDURE
Related DTCsP0011: Advanced intake camshaft timing (bank 1)
P0012: Retarded intake camshaft timing (bank 1)
P0021: Advanced intake camshaft timing (bank 2)
P0022: Retarded intake camshaft timing (bank 2)
Required sensors / components (Main) VVT OCV, VVT Actuator
Required sensors / components (Related) Crankshaft position sensor, Camshaft position sensor, ECT sensor
Frequency of operation Once per driving cycles
Duration Less than 10 seconds
MIL operationP0011 and P0021: Immediate
P0012 and P0022: 2 driving cycles
Sequence operation None
The monitor will run whenever these DTCs are not
presentP0100, P0101, P0102, P0103 (MAF Sensor), P0115, P0116, P0117, P0118 (ECT
Sensor), P0125 (Insufficient ECT for Closed Loop), P0335 (CKP Sensor), P0340
(CMP Sensor), P0351, P0352, P0353, P0354, P0355, P0356 (Ignitor)
Battery voltage 11 V or more
Engine RPM 500 to 4000 rpm
ECT 75 to 100
C (167 to 212F)
Duration of actual valve timing and target valve timing More than 5
CA (Crankshaft angle)
Valve timing No change in advanced valve timing
Duration of actual valve timing and target valve timing More than 5
CA (Crankshaft angle)
Valve timing No change in retarded valve timing
Abnormal bankAdvanced timing over
(Valve timing is out of specified range)Retarded timing over
(Valve timing is out of specified range)
Bank 1 P0011 P0012
Bank 2 P0021 P0022

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–95
ES
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, OCV and VVT controller. The ECM sends a
target duty-cycle control signal to the OCV. This control signal regulates the oil pressure supplied to the
VVT controller. Camshaft timing control is performed according to engine operating conditions such as the
intake air volume, throttle valve position and engine coolant temperature. The ECM controls the OCV,
based on the signals transmitted by several sensors. The VVT controller regulates the exhaust camshaft
angle using oil pressure through the OCV. As a result, the relative positions of the camshaft and
crankshaft are optimized, the engine torque and fuel economy improve, and the exhaust emissions
decrease under overall driving conditions. The ECM detects the actual exhaust valve timing using signals
from the camshaft and crankshaft position sensors, and performs feedback control. This is how the target
intake valve timing is verified by the ECM.
DTC P0013Camshaft Position "B" Actuator Circuit / Open
(Bank 1)
DTC P0023Camshaft Position "B" Actuator Circuit / Open
(Bank 2)
DTC No. DTC Detection Condition Trouble Area
P0013Open or short in OCV for exhaust camshaft (bank 1)
circuit
(1 trip detection logic)• Open or short in OCV for exhaust camshaft (bank
1) circuit
• OCV for exhaust camshaft (bank 1)
•ECM
P0023Open or short in OCV for exhaust camshaft (bank 2)
circuit
(1 trip detection logic)• Open or short in OCV for exhaust camshaft (bank
2) circuit
• OCV for exhaust camshaft (bank 2)
•ECM
A103843E02

ES–962GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
MONITOR DESCRIPTION
The ECM optimizes the valve timing using the VVT system to control the exhaust camshaft. The VVT
system includes the ECM, the OCV and the VVT controller. The ECM sends a target duty-cycle control
signal to the OCV. This control signal regulates the oil pressure supplied to the VVT controller. The VVT
controller can advance or retard the exhaust camshaft.
After the ECM sends the target duty-cycle signal to the OCV, the ECM monitors the OCV current to
establish an actual duty-cycle. The ECM determines the existence of a malfunction and sets the DTC
when the actual duty-cycle ratio varies from the target duty-cycle ratio.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
COMPONENT OPERATING RANGE
Related DTCsP0013: VVT OCV (bank 1) open/short
P0023: VVT OCV (bank 2) open/short
Required sensors / components (Main) VVT OCV (Variable Valve Timing oil control valve)
Required sensors / components (Sub) -
Frequency of operation Continuous
Duration 1 second
MIL operation Immediate
Sequence of operation None
Monitor runs whenever following DTCs are not present None
All of the following conditions are met: -
Starter OFF
Engine switch ON
Time after engine switch off to on 0.5 seconds or more
One of the following conditions is met: Condition A, B or C
A. All of the following conditions are met: -
Battery voltage 11 to 13 V
Target duty ratio Less than 70%
B. All of the following conditions are met: -
Battery voltage 13 V or more
Target duty ratio Less than 80%
C. All of the following conditions are met: -
Current cut status Not cut
VVT duty ratio More than 3 %, and less than 100 %