Toyota Sienna Service Manual: Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
3. REMOVE STEERING WHEEL NO.3 COVER LOWER
- Using a screwdriver, remove the steering wheel No.3 cover lower.
HINT: Tape up the screwdriver tip before use.
4. REMOVE STEERING WHEEL NO.2 COVER LOWER
- Using a screwdriver, remove the steering wheel No.2 cover lower.
HINT: Tape up the screwdriver tip before use.
5. REMOVE STEERING PAD
- Using a "torx" socket wrench (T30), loosen the 2 "torx" screws until the groove along the screw circumference catches on the screw case.
- Pull out the steering pad from the steering wheel
assembly and support the steering pad with one
hand as shown in the illustration.
NOTICE: When removing the steering pad, do not pull the airbag wire harness.
- Disconnect the horn connector.
- Disconnect the 2 connectors from the steering pad.
NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
- Remove the steering pad.
On-vehicle inspection
1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the steering pad installed on the vehicle,
perform a visual check. If there are an ...
Installation
1. INSTALL STEERING PAD
Support the steering pad with one hand as shown in
the illustration.
Connect the 2 connectors to the steering pad.
NOTICE:
When handling the airba ...
Other materials:
Internal Control Module Random Access Memory (RAM) Error
DESCRIPTION
The ECM continuously monitors its own internal memory status, internal
circuits, and output signals
transmitted to the throttle actuator. This self-check ensures that the ECM is
functioning properly. If any
malfunction is detected, the ECM sets the appropriate DTC and illumina ...
Power window master
switch
Inspection
1. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (w/ Jam
Protection Function)
Check the resistance between the terminals of the
switch when the switch is operated.
Standard:
AUTO (driver side) switch
Passenger side switch
Rear LH switch
Rear RH switch
...
Coolant Thermostat (Coolant Temperature
Below Thermostat Regulating Temperature)
DTC P0128 Coolant Thermostat (Coolant Temperature
Below Thermostat Regulating Temperature)
HINT:
This DTC relates to the thermostat.
DESCRIPTION
This DTC is set when the Engine Coolant Temperature (ECT) does not reach 75C
(167F) despite
sufficient engine warm-up time
DTC No.
...
