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:
Combination Meter ECU Communication Stop
DTC B1271 Combination Meter ECU Communication Stop
DESCRIPTION
DTC B1271 is output when communication between the combination meter and the
multiplex network
gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1271
...
How to proceed with
troubleshooting
The intelligent tester can be used in steps 4, 6, 8 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK
4 DTCs CHECK (Present and Past DTCs)
Check for DTCs.
Result
GO TO PROBLEM SYMPTOMS TABLE
5 DTCs CHART
6 CIRCUIT ...
Oxygen (A/F) Sensor Heater Control Circuit
Low/ Oxygen (A/F) Sensor Heater Control Circuit
High
DTC P0031 Oxygen (A/F) Sensor Heater Control Circuit
Low (Bank 1 Sensor 1)
DTC P0032 Oxygen (A/F) Sensor Heater Control Circuit
High (Bank 1 Sensor 1)
DTC P0051 Oxygen (A/F) Sensor Heater Control Circuit
Low (Bank 2 Sensor 1)
DTC P0052 Oxygen (A/F) Sensor Heater Control Circuit
High (Bank 2 S ...
