Toyota Sienna Service Manual: Removal
1. Remove engine under cover no.1 2. Disconnect cable from negative battery terminal 3. Drain automatic transaxle fluid (see page ax-131) 4. Remove automatic transaxle oil pan subassembly
(a) Remove the 18 bolts, oil pan and gasket.
| NOTICE: Some fluid will remain in the oil pan. Carefully remove the oil pan so that the fluid remaining in the pan does not spill out. |
(b) Remove the 2 magnets from the oil pan.
(c) Examine particles in the pan.
(1) Collect any steel chips using the removed magnets. Look carefully at the chips and particles in the pan and on the magnets to see the type of wear which might be found in the transaxle.
Result: Steel (magnetic): Wear of the bearing, gear or plate Brass (non-magnetic): Wear of the bearing
5. DISCONNECT TRANSMISSION WIRE
(a) Disconnect the 7 shift solenoid valve connectors.
(b) Remove the bolt and lock plate, and disconnect the ATF temperature sensor.
6. REMOVE VALVE BODY OIL STRAINER ASSEMBLY
(a) Remove the 3 bolts and oil strainer.
| NOTICE: Be careful when removing the oil strainer as fluid will come out. |
(b) Remove the O-ring from the valve body oil strainer assembly.
7. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
(a) Support the valve body assembly and remove the 17 bolts and the transmission valve body assembly.
(b) Remove the check ball body and the spring.
(c) Remove the bolt and lock plate from the valve body assembly.
(d) Remove the shift solenoid valve SL3 and SLT from the valve body assembly.
(e) Remove the bolt and shift solenoid valve S4 from the valve body assembly
(f) Remove the shift solenoid valve SR from the valve body assembly.
(g) Remove the bolt and shift solenoid valve DSL from the valve body assembly.
(h) Remove the bolt and shift solenoid valve SL2 from the valve body assembly.
(i) Remove the bolt and shift solenoid valve SL1 from the valve body assembly.
Valve body assembly
Components
...
Installation
1. Install transmission valve body assembly
(a) Install the shift solenoid valve SL1 to the valve body
assembly with the bolt.
Torque: 6.6 N*m (67 kgf*cm, 58 in.*lbf)
(b) Install the shi ...
Other materials:
System description
1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM
GENERAL DESCRIPTION.
In the occupant classification system, the
occupant classification ECU calculates the
weight of the occupant based on a signal from
the occupant classification sensors. This system
recognizes the occu ...
Sleep Operation Failure of Occupant Classification
ECU
DTC B1796 Sleep Operation Failure of Occupant Classification
ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ECU detects an internal
malfunction, DTC B1796 ...
Data list / active test
1. DATA LIST
HINT:
Using the intelligent tester to read the DATA LIST allows
the values or states of switches, sensor, actuators and
other items to be read without removing any parts. This
non-intrusive inspection can be very useful because
intermittent conditions or signals may be discovered
...