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:
Terminals of ecu
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage
or resistance on the wire harness side.
HINT:
Voltage cannot be measured with the connector
connected to the skid control ECU ...
Slide door lock release motor
Inspection
1. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY LH
Apply battery voltage and inspect operation of the
motor.
OK
If the result is not as specified, replace the motor
assembly.
2. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY RH
Apply battery voltage and insp ...
Stereo Component Amplifier Communication Error
INSPECTION PROCEDURE
1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE
Enter the diagnostic mode.
Press the preset switch "3" to change to "Detailed
Information Mode".
Identify the component shown by the sub-code.
HINT:
"190 (radio receiver ...
