Occupant Classification Ecu: Installation

1. Check that the power switch is off.
2. Check that the battery negative (-) terminal is disconnected.
   CAUTION: Work must be started at least 90 seconds after the power switch is turned off and after the cable is disconnected from the negative (-) battery terminal.
3. Install the occupant classification ECU.
4. Connect the connectors to the occupant classification ECU.
   NOTE:

   • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant classification ECU 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.
     Fig 1: Disconnecting Connectors

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Refer to INSTALLATION .

1. Perform initialization (See INITIALIZATION ).

   HINT:

   Some systems need initialization after reconnecting the cable to the negative battery terminal.

1. Perform zero point calibration and sensitivity check (See INITIALIZATION  ).

1. Inspect the SRS warning light (See DIAGNOSIS SYSTEM  ).