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:

Auto Up / Down Function does not Operate
DESCRIPTION If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause:  When the PWR fuse or the power window relay (Marking: PWR) is replaced with new ones, or when the battery terminal and the connector of the power window master switch are d ...

Meter Illumination does not Dim at Night
DESCRIPTION  Confirm that the vehicle is equipped with the optitron meter, then check this circuit.  The combination meter assembly receives a auto dimmer signal from the body ECU by the multiplex communication line. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK MULTIP ...

Oxygen Sensor Circuit Malfunction/ Oxygen Sensor Circuit Low Voltage/ Oxygen Sensor Circuit High Voltage
DTC P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) DTC P0137 Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2) DTC P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2) DTC P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2) DTC P0157 Oxygen Sensor Circuit Low Voltage ...