Toyota Sienna Service Manual: 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: The power mirror control system is part of the multiplex communication system (BEAN). This system features shared communication wiring that reduces the wiring complexity of the communication lines.
The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (See Multiplex Communication System).
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT OUTER MIRROR SWITCH
- Remove the outer mirror control switch.
- Measure the resistance according to the value(s) in the table below when the switch is operated.
Resistance
*1: The L or R of the left / right adjustment switch.
2 CHECK WIRE HARNESS (OUTER MIRROR SWITCH - MAIN BODY ECU RH)
- Disconnect the B6 ECU connector.
- Measure the resistance according to the value(s) in the table below.
Resistance
PROCEED TO NEXT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Door Mirror Foot Light Circuit
DESCRIPTION
When the outer mirror control ECU receives the signal(s) from the body ECU
through BEAN
communication, it illuminates the foot light. The foot light is installed on the
bottom of the ...
Mirror Motor Circuit
DESCRIPTION
A mirror control switch signal and memorized mirror positions are sent to the
outer mirror control ECU.
The outer mirror control ECU drives the selected mirror UP, DOWN, LEFT and RIG ...
Other materials:
Inspection
1. Inspect starter assembly
NOTICE:
These tests must be performed within 3 to 5 seconds
to avoid burning out the coil.
(a) Perform the pull-in test.
(1) Disconnect the lead wire from terminal C.
(2) Connect the battery to the magnetic switch as
shown in the illustratio ...
Disposal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When scrapping a vehicle equipped with the SRS or
disposing of the front seat side airbag assembly, be sure to
deploy the airbag first in accordance with the proc ...
Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING
(a) Compress a new input shaft oil seal ring from both
sides to reduce dimension A.
Dimension A:
5 mm (0.197 in.)
(b) Coat the oil seal ring with ATF and install it to the
input shaft.
NOTICE:
Do not expand the end gap of the oil seal ring
too much. ...
