Toyota Sienna Service Manual: Multiplex communication

Sliding roof switch assembly

ON-VEHICLE INSPECTION 1. INSPECT SLIDING ROOF SWITCH ASSEMBLY Remove the switch. Check the resistance between the terminals when operating the switch. Resistance If the result is no ...

Multiplex communication system

PARTS LOCATION ...

Other materials:

TRAC OFF Indicator Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN and multiplex communications. When the traction OFF switch is turned on, the TRAC OFF indicator light will come on (for 2WD model). WIRING DIAGRAM INSPECTION PROCEDURE NOTICE: When replacing the brake actu ...

Mirror Switch Circuit
DESCRIPTION  A switch signal of the outer mirror switch is transmitted to the selected outer mirror control ECU by way of the body ECU. Then, the outer mirror control ECU activates the mirror motor to move the mirror UP, DOWN, RIGHT and LEFT in response to the inputs. HINT: Th ...

Disassembly
1. Remove park/neutral position switch assembly (A) remove the nut, washer and control shaft lever. (B) using a screwdriver, unstake the nut stopper, and remove the lock nut and nut stopper. (c) Remove the 2 bolts and pull out the park/neutral position switch. 2. REMOVE BREATHER PLUG H ...