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:
Terminals of ECU
1. Instrument Panel Junction Block Assembly
...
Inspection
1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY OPERATION
(a) Apply the parking brake and turn the ignition switch
to the ON position.
(b) Depress the brake pedal and check that the engine
starts only when the shift lever is in the N or P
position and the engine does not start when the shift ...
Removal
1. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
2. REMOVE EXHAUST PIPE ASSEMBLY
for 2WD:(See page EX-2)
for 4WD:(See page EX-8)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. DRAIN ENGINE OIL (See page LU-4)
5. REMOVE NO. 2 MANIFOLD STAY (See page EM-39)
6. REMOVE NO. 2 EXHAUST MANIFOLD HEAT ...
