Toyota Sienna Quiz
Supplemental restraint system

Installation

In this manual: Supplemental restraint system
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
2steps
~12min
1/5difficulty
Done 0 of 2

1. INSTALL OCCUPANT CLASSIFICATION ECU

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.
  • Install the occupant classification ECU.
  • 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

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