Toyota Sienna 2010-2026 Owners Manual: Selecting trailer ball
Use the correct trailer ball for your application.
- Trailer ball load rating Matches or exceeds the gross trailer weight rating of the trailer.
- Ball diameter
Matches the size of the trailer coupler.Most couplers are stamped with the required trailer ball size.
- Shank length
Protrudes beyond the bottom of the lock washer and nut by at least 2 threads. - Shank diameter
Matches the ball mount hole diameter size.
Hitch
Trailer hitch assemblies have different weight capacities. Toyota recommends
the use of Toyota hitch/bracket for your vehicle. For details,
contact your Toyota dealer.
If you wish to install a t ...
Positions for towing hitch receiver
Hitch receiver pin hole position:
37.3 in. (949.8 mm)
Connecting trailer lights
Please consult your dealer when installing trailer lights, as incorrect
installation may cause damage to t ...
Other materials:
Memory Switch Circuit
DESCRIPTION
When the seat memory switch M1 or M2 is pressed, the position control ECU &
switch (Seat ECU)
transmits a signal of the memorized mirror position to the outer mirror control
ECU. Then, the outer mirror
control ECU drives the mirror motor.
HINT:
The power mirror control syste ...
Rear power window switch
INSPECTION
1. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY REAR
Check the resistance between the switch terminals
when the switch is operated.
Standard
If the result is not as specified, replace the switch
assembly. ...
Rear Air Conditioning Relay Circuit
DESCRIPTION
The RR A/C relay is switched on by signals from the A/C amplifier. It
supplies power to the rear blower
motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RELAY (RR A/C)
(a) Remove the RR A/C relay from the No. 3 relay block.
(b) Measure the resistance according to t ...
