Toyota Sienna Service Manual: For vehicles equipped with vehicle stability control (vsc) system
(a) Notices when using drum tester
Notices when using drum tester.
(1) When using a drum tester, be sure to start the engine with the ignition switch OFF, and connect SST to the terminals TS and CG of the DLC3 before the measurement in order to cancel the VSC operation.
SST 09843-18040
(b) Notice of related operations to VSC
(1) Do not carry out unnecessary installation and removal as it might disorder the adjustment of the parts related to the VSC.
(2) Be sure to carry out the preparation for operation and the confirmation of operation completion in accordance with the instructions of the text and when the operations related to the VSC are performed.
For vehicles equipped with traction control (trac) system
When using a 2-wheel drum tester such as a
speedometer tester or chassis dynamometer, etc., or
jacking up the front wheels and driving the wheels,
always push in the TRAC cut ("TRAC OFF") ...
When towing full-time 4wd vehicles
Use one of the methods shown below to tow the
vehicle.
If the vehicle has trouble with the chassis or drive
train, use method 1 (flat bed truck).
WHEN TOWING FULL-TIME 4WD VEHICLES
...
Other materials:
ECM Communication Circuit Malfunction
DTC C1203/53 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid
control ECU to the ECM, and
engine control information from the ECM to the skid control ECU through the CAN
communication
system.
INSPECTION PROCEDURE
1 ...
Reassembly
1. INSTALL REAR WHEEL CYLINDER CUP KIT
(a) Temporarily tighten the bleeder plug to the wheel
cylinder, and install the bleeder plug cap.
(b) Apply lithium soap base glycol grease to the 2 new
wheel cylinder cups and the 2 pistons.
(c) Install the 2 wheel cylinder cups to each piston.
...
Aluminum wheel precautions
Use only Toyota wheel nuts and wrenches designed for use with
your aluminum wheels.
When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
Be careful not to damage the aluminum wheels when using tire
chains.
Use o ...
