Toyota RAV4 manuals

Toyota Sienna Service Manual: On-vehicle inspection

1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)

  1.  Perform a diagnostic system check.

2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION)

  1.  Perform a diagnostic system check.
  2.  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:

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:

Parking Brake Switch Circuit
DESCRIPTION This circuit is from the parking brake switch to the radio and navigation assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK BRAKE WARNING LIGHT Check that the brake warning light comes on when the parking brake is applied and goes off when it is released. OK: The ...

Initialization
1. RESET  When the battery is reconnected: The back door is locked and therefore cannot be opened. Therefore, it is necessary to unlock the back door using the door control switch or transmitter switch.  Reset the power back door system: The power back door ECU records the ...

Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)  Disconnect the B6, 1C, 1K and 1L J/B connectors. Measure the voltage and resistance according to the value(s) in the table below. HINT: If the result is not as specified, there may be a malfunction on the w ...

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