Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- Even if the airbag was not deployed, check if there is any damage to the occupant classification ECU. If there are any defects as mentioned below, replace the occupant classification ECU with a new one:
- Cracks, dents or chips on the case.
- Cracks or other damage to the connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
Occupant classification ecu
COMPONENTS
...
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 ...
Other materials:
Installation
1. INSTALL CENTER REAR SEAT LAP TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for reassembly of the rear No. 1
seat assembly (for center seat).
Install the center rear seat lap type belt assembly
with the bolt.
Torque: 42 N*m (430 kgf*cm, 31 ft.*lbf)
2. IN ...
Removal
1. REMOVE TRANSFER CASE NO.1 PLUG (See page
TF-8)
2. REMOVE TRANSFER DRAIN PLUG
(a) Remove the transfer drain plug, drain gasket and
bleed transfer oil.
3. REMOVE EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
4. REMOVE PROPELLER WITH CENTER BEARING
SHAFT ASSEMBLY
HINT:
(See page PR-3)
5. R ...
Reclining Motor Circuit
DESCRIPTION
The fold seat control ECU receives a switch operation signal from the power
rear no. 2 seat switch and
the fold seat switch, and activates the reclining motor. At this time, the Hall
IC (seatback position sensor)
detects the actuation of the seatback and sends a seatback actuation ...
