Toyota RAV4 manuals

Toyota Sienna Service Manual: System description

1. MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. The BEAN communication line is used to control the combination meter, the A/C amplifier, the airbag sensor assembly, the multiplex network body ECU, the power slide door ECU LH, the power slide door ECU RH, the power back door ECU, the seat position control ECU, the outer mirror control ECU LH, and the outer mirror ECU RH. If there is a shortcircuit (bus-down) in the line, the communication to the system that has a short-circuit (bus-down) will be disabled and the DTC concerning the system will be output from the multiplex network gateway ECU.

MULTIPLEX COMMUNICATION SYSTEM

MULTIPLEX COMMUNICATION SYSTEM

  1. If the DTC of ECU communication stop is output, connectors may be disconnected, or communication buses may be open at 2 points. It will not become abnormal with only 1 communication bus open.

MULTIPLEX COMMUNICATION SYSTEM

  1. If 2 communication buses are open at the points shown in the illustration, the DTC of ECU communication stop between those 2 buses is output.

2. CHECK COMMUNICATION FUNCTION

  1. Check the battery voltage.

    Standard voltage: 11 to 14 V

  2. Inspect the DTC output.
  1. Check a DTC concerning the multiplex network body ECU by connecting the intelligent tester to the DLC3 and turning the ignition switch to the ON position.
  2. When the display shows DTCs concerning the ECU unconnected and the communication bus defective, perform the inspection depending on the troubleshooting procedures.

HINT: When another DTC is output, refer to the DTC table and check the applicable section.

Multiplex communication system
PARTS LOCATION ...

How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages. 1 VEHICLE BROUGHT TO WORKSHOP 2 DTC CHECK Check for DTCs and make a note of the code that is output (See page MP- ...

Other materials:

Removal
1. REMOVE CHARCOAL CANISTER PROTECTOR (a) Remove the 6 bolts and charcoal canister protector. 2. REMOVE CHARCOAL CANISTER ASSEMBLY (a) Disconnect the fuel tank vent hose from the charcoal canister. (1) Push the connector deep inside. (2) Pinch portion A. (3) Pull out the connector. ...

Removal
NOTICE: When installing, coat the parts indicated by the arrows with power steering fluid or molybdenum disulfide lithium base grease (See page PS-21). 1. INSPECT CENTER FRONT WHEEL 2. REMOVE FRONT WHEEL 3. SEPARATE TIE ROD ASSEMBLY LH SST 09628-62011 4. SEPARATE TIE ROD ASSEMBLY RH SST 096 ...

Installation
1. INSTALL REAR NO. 1 SEAT ASSEMBLY LH  Place the seat in the cabin. NOTICE: Be careful not to damage the body.  Install the seat.  7-Passenger RH: Install the seat belt anchor plate with the bolt. Torque: 42 N*m (428 kgf*cm, 31 ft.*lbf)  Install the headrest. ...

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