Toyota Sienna Service Manual: Installation

1. INSTALL OCCUPANT CLASSIFICATION ECU

1.  Check that the ignition switch is off.
2.  Check that the negative battery (-) terminal is disconnected.

   CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.

3.  Install the occupant classification ECU.
4.  Connect the 2 connectors to the occupant classification ECU.

NOTICE:

•  If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
• When installing the occupant classification ECU, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.

2. INSTALL FRONT SEAT ASSEMBLY (for Manual Seat)

3. INSTALL FRONT RH SEAT ASSEMBLY (for Power Seat)

4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

5. PERFORM INITIALIZATION

1.  Perform initialization.

HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.

6. INSPECT SLIDE ADJUSTER LOCK (for Manual Seat)

7. INSPECT POWER SEAT OPERATION (for Power Seat)

8. INSPECT SEAT HEATER OPERATION (w/ Seat Heater System)

9. INSPECT SRS WARNING LIGHT

1.  Inspect the SRS warning light