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:
Vehicle Speed Sensor Malfunction
DTC P0500 Vehicle Speed Sensor Malfunction
DTC P0503 Vehicle Speed Sensor Circuit Malfunction
DESCRIPTION
The cruise control system uses the same vehicle speed signal that is sent to
the ECM for the SFI system.
If DTC P0500 is detected, perform the diagnosis using the inspection procedure
...
For front passenger side
ON-VEHICLE INSPECTION
1. INSPECT AIR MIX CONTROL SERVO MOTOR
(a) Remove the air mix control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "COOL" side smoothly.
(c) Connect ...
Knock sensor
COMPONENTS
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
(See page FU-13)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
5. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY
( ...
