2007 TOYOTA SIENNA Service Repair Manual

torque trailer change wheel immobilizer lane assist battery

Page 1713 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–37
AX
SL2
MalfunctionSolenoid ValveSL1 ON OFF to ON ON OFF to ON OFF to ON
SL2 OFF
SL3 OFF OFF OFF ON to OFF ON to OFF
S4 OFF to ON OFF

Page 1714 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–42U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts
listed in the table below and proceed to

AX–42U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts
listed in the table below and proceed to the page given.
HINT:
• *1: Comes on MIL (Malfunction Indicator Lamp) light up
• *2: "DTC stored" mark means ECM memorizes the
malfunction code if the ECM detects the DTC detection
condition.
• This DTC may be output when the clutch, brake and gear
components etc. inside the automatic transmission are
damaged.
AUTOMATIC TRANSAXLE SYSTEM:
DTC Code Detection Item Trouble Area MIL *1 Memory *2 See page
P0705Transmission Range Sensor Circuit
Malfunction (PRNDL Input)1. Open or short in park/neutral position
switch circuit
2. Park/neutral position switch
3. ECMComes on DTC storedAX-38
P0710Transmission Fluid Temperature Sensor
"A" Circuit1. Open or short in ATF temperature
sensor circuit
2. Transmission wire (ATF temperature
sensor)
3. ECMComes on DTC storedAX-43
P0711Transmission Fluid Temperature Sensor
"A" PerformanceTransmission wire (ATF temperature
sensor)Comes on DTC storedAX-48
P0712Transmission Fluid Temperature Sensor
"A" Circuit Low Input1. Short in ATF temperature sensor
circuit
2. Transmission wire (ATF temperature
sensor)
3. ECMComes on DTC storedAX-43
P0713Transmission Fluid Temperature Sensor
"A" Circuit High Input1. Open in ATF temperature sensor
circuit
2. Transmission wire (ATF temperature
sensor)
3. ECMComes on DTC storedAX-43
P0717 Turbine Speed Sensor Circuit No Signal1. Open or short in transmission
revolution sensor NT (speed sensor NT)
circuit
2. Transmission revolution sensor NT
(speed sensor NT)
3. ECM
4. Automatic transaxle assemblyComes on DTC storedAX-52
P0724 Brake Switch "B" Circuit High1. Short in stop light switch circuit
2. Stop light switch
3. ECMComes on DTC storedAX-56
P0741Torque Converter Clutch Solenoid
Performance (Shift Solenoid Valve DSL)1. Shift solenoid valve DSL remains
open or closed
2. Valve body is blocked
3. Torque converter clutch
4. Automatic transaxle (clutch, brake or
gear etc.)
5. Line pressure is too lowComes on DTC storedAX-60
P0746Pressure Control Solenoid "A"
Performance (Shift Solenoid Valve SL1)1. Shift solenoid valve SL1 remains open
or closed
2. Valve body is blocked
3. Automatic transaxle (clutch, brake or
gear etc.)Comes on DTC storedAX-66
P0748Pressure Control Solenoid "A" Electrical
(Shift Solenoid Valve SL1)1. Open or short in shift solenoid valve
SL1 circuit
2. Shift solenoid valve SL1
3. ECMComes on DTC storedAX-70

Page 1715 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–43
AX
P0766Shift Solenoid "D" Performance (Shift
Solenoid Valve S4)1. Shift solenoid valve S4 remains open
or closed
2. Valve b

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–43
AX
P0766Shift Solenoid "D" Performance (Shift
Solenoid Valve S4)1. Shift solenoid valve S4 remains open
or closed
2. Valve body is blocked (Brake control
valve)
3. Automatic transaxle (clutch, brake or
gear, etc.)Comes on DTC storedAX-74
P0771Shift Solenoid "E" Performance (Shift
Solenoid Valve SR)1. Shift solenoid valve SR remains open
or closed
2. Valve body is blocked
3. Automatic transaxle (clutch, brake or
gear etc.)Comes on DTC storedAX-78
P0776Pressure Control Solenoid "B"
Performance (Shift Solenoid Valve SL2)1. Shift solenoid valve SL2 remains open
or closed
2. Valve body is blocked
3. Automatic transaxle (clutch, brake or
gear etc.)Comes on DTC storedAX-82
P0778Pressure Control Solenoid "B" Electrical
(Shift Solenoid Valve SL2)1. Open or short in shift solenoid valve
SL2 circuit
2. Shift solenoid valve SL2
3. ECMComes on DTC storedAX-87
P0793 Intermediate Shaft Speed Sensor "A"1. Open or short in transmission
revolution sensor NC (speed sensor NC)
circuit
2. Transmission revolution sensor NC
(speed sensor NC)
3. ECMComes on DTC storedAX-91
P0796Pressure Control Solenoid "C"
Performance (Shift Solenoid Valve SL3)1. Shift solenoid valve SL3 remains open
or closed
2. Valve body is blocked
3. Automatic transaxle (clutch, brake or
gear etc.)Comes on DTC storedAX-95
P0798Pressure Control Solenoid "C" Electrical
(Shift Solenoid Valve SL3)1. Open or short in shift solenoid valve
SL3 circuit
2. Shift solenoid valve SL3
3. ECMComes on DTC storedAX-100
P0982Shift Solenoid "D" Control Circuit Low
(Shift Solenoid Valve S4)1. Short in shift solenoid valve S4 circuit
2. Shift solenoid valve S4
3. ECMComes on DTC storedAX-104
P0983Shift Solenoid "D" Control Circuit High
(Shift Solenoid Valve S4)1. Open in shift solenoid valve S4 circuit
2. Shift solenoid valve S4
3. ECMComes on DTC storedAX-104
P0985Shift Solenoid "E" Control Circuit Low
(Shift Solenoid Valve SR)1. Short in shift solenoid valve SR circuit
2. Shift solenoid valve SR
3. ECMComes on DTC storedAX-107
P0986Shift Solenoid "E" Control Circuit High
(Shift Solenoid Valve SR)1. Open in shift solenoid valve SR circuit
2. Shift solenoid valve SR
3. ECMComes on DTC storedAX-107
P2714Pressure Control Solenoid "D"
Performance (Shift Solenoid Valve SLT)1. Shift solenoid valve SLT remains
closed
2. Valve body is blocked
3. Automatic transaxle (clutch, brake or
gear etc.)Comes on DTC stored
AX-110
P2716Pressure Control Solenoid "D" Electrical
(Shift Solenoid Valve SLT)1. Open or short in shift solenoid valve
SLT circuit
2. Shift solenoid valve SLT
3. ECMComes on DTC storedAX-116
P2769Torque Converter Clutch Solenoid Circuit
Low (Shift Solenoid Valve DSL)1. Short in shift solenoid valve DSL
circuit
2. Shift solenoid valve DSL
3. ECMComes on DTC storedAX-120 DTC Code Detection Item Trouble Area MIL *1 Memory *2 See page

Page 1716 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–44U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
P2770Torque Converter Clutch Solenoid Circuit
High (Shift Solenoid Valve DSL)1. Open in shift solenoid valve DSL
circuit
2. Shift

Page 1717 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–45
AX
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends signals to the ECM.
MONITOR DESCRIPTION
The

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–45
AX
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends signals to the ECM.
MONITOR DESCRIPTION
These DTCs indicate a problem with the park/neutral position switch and the wire harness in the park/
neutral position switch circuit.
The park/neutral position switch detects the shift lever position and sends a signal to the ECM.
For security, the park/neutral position switch detects the shift lever position so that engine can be started
only when the shift lever is in the P or N position
The park/neutral position switch sends a signal to the ECM according to the shift position (P, R, N or D).
The ECM determines that there is a problem with the switch or related parts if in receives more than 1
position signal simultaneously. The ECM will turn on the MIL and store the DTC.
MONITOR STRATEGY
DTC P0705Transmission Range Sensor Circuit Malfunc-
tion (PRNDL Input)
DTC No. DTC Detection Condition Trouble Area
P0705(A) Any 2 or more signals of the following are ON
simultaneously (2-trip detection logic)
• P input signal is ON.
• N input signal is ON.
• R input signal is ON.
• D input signal is ON.
• 3 input signal is ON.
• 2 input signal is ON.
(B) Any 2 or more signals of the following are ON
simultaneously (2-trip detection logic)
• NSW (STAR) input signal is ON.
• R input signal is ON.
• D input signal is ON.
• 3 input signal is ON.
• 2 input signal is ON.
(C) All switches are OFF simultaneously for
NSW(STAR), P, R, N, D, 3, 2 positions (2-trip detection
logic).
(D) Both 1 and 2 conditions are met (2-trip detection
logic)
1. One of the following conditions are met
(a) NSW (STAR) input signal is ON.
(b) P input signal is ON.
(c) N input signal is ON.
(d) R input signal is ON.
2. One of the following conditions are met
(a) 4 input signal is ON.
(b) L input signal is ON.• Short in park/neutral position switch circuit
• Park/neutral position switch
•ECM
Related DTCs P0705: Park/neutral position switch/Verify switch input
Required sensors/Components Park/neutral position switch
Frequency of operation Continuous
DurationCondition (A), (B), (D)
2 sec.
Condition (C)
60 sec.
MIL operation 2 driving cycles
Sequence of operation None

Page 1718 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–46U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
TYPICAL ENABLING CONDITIONS
All:
TYPICAL MALFUNCTION THRESHOLDS
1. One of the following conditions are met: Condition (A), (B), (C)

Page 1719 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–47
AX
WIRING DIAGRAM
C160583E01

Page 1720 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–48U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
INSPECTION PROCEDURE
(a) Disconnect the park/neutral position switch connector.
(b) Measure resistance according to the value(s) in

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