Toyota Sienna Service Manual: 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 airbag connector, take care not to damage the airbag wire harness.
- Connect the horn connector.
- Confirm that the circumference groove of the "torx" screw fits in the screw case, and place the steering pad onto the steering wheel assembly.
- Using a "torx" socket wrench (T30), tighten the 2 "torx" screws.
Torque: 8.8 N*m (90 kgf*cm, 78 in.*lbf)
2. INSTALL STEERING WHEEL NO.3 COVER LOWER
- Install the steering wheel No.3 cover lower.
3. INSTALL STEERING WHEEL NO.2 COVER LOWER
- Install the steering wheel No.2 cover lower.
4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
5. INSPECT STEERING PAD
- With the steering pad installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the steering pad with a new one: Cuts, minute cracks or marked discoloration on the steering pad top surface or in the grooved portion.
- Make sure that the horn sounds.
HINT: If the horn does not sound, inspect the horn system.
6. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
7. INSPECT SRS WARNING LIGHT
- Inspect the SRS warning light
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 th ...
Disposal
HINT:
When scrapping a vehicle equipped with the SRS or
disposing of the steering pad, be sure to deploy the airbag
first in accordance with the procedure described below. If any
abnormality occur ...
Other materials:
Terminals of ECU
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY
(POWER SEAT CONTROL SWITCH AND ECU)
Disconnect the P58 and P59 connectors.
Check the voltage of each terminal of the wire
harness side connectors.
If the result is not as specified, there may be a
malfunction in the wire harn ...
Washer fluid
If any washer does not work or the
warning message appears on the
multi-information display, the
washer tank may be empty. Add
washer fluid.
WARNINGWhen refilling washer fluid
Do not refill washer fluid when the engine is hot or running, as
washer fluid
contains alcohol and ...
DTC check / clear
1. CHECK DTC (USING INTELLIGENT TESTER)
Checking DTCs.
Connect the intelligent tester to the DLC3.
Turn the ignition switch ON.
Read DTCs by following the prompts on the
tester screen.
HINT:
Refer to the intelligent tester operator's manual
for further details.
2. CLEAR DTC ...
