Toyota Sienna Service Manual: Inspection
1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY

- LO Operation Check
- Connect the battery (+) to the terminal 1 (+1) of
the connector, the battery (-) to the terminal 5
(E) of the connector, and check that the motor
operates at low speed (LO).
- HI Operation Check
- Connect the battery (+) to the terminal 4 (+2) of
the connector, the battery (-) to the terminal 5
(E) of the connector, and check that the motor
operates at high speed (HI).
- Automatic Stop Operation Check
- Connect the battery (+) to the terminal 1 (+1) of
the connector, the battery (-) to the terminal 5
(E) of the connector. With the motor being
rotated at low speed (LO), disconnect terminal
1 (+1) to stop the wiper motor operation at any
position except the automatic stop position.
- Using SST, connect the terminal 1 (+1) and 3
(S), and the battery (+) to the terminal 2 (B) to
restart the motor operation at low speed (LO).
SST 09843-18040
- Check the automatic stop position.
Standard:
See the illustration.

1. REMOVE FRONT WIPER ARM HEAD CAP
Using a small screwdriver, remove the 2 front wiper
arm covers.
HINT:
Tape up the screwdriver tip before use.
2. REMOVE FR WIPER ARM RH
&nbs ...
1. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY
Apply MP grease to the crank arm pivot of the
windshield wiper motor assembly.
Install the windshield wiper motor assembly with the
...
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 ...
Removal
1. REMOVE REAR WHEEL
2. REMOVE REAR SHOCK ABSORBER CAP LH
(a) Remove the shock absorber head cover.
(b) Remove the shock absorber cap LH.
3. REMOVE SHOCK ABSORBER ASSEMBLY REAR LH
(a) Support the rear axle beam with a jack.
(b) Using a 6 mm hexagon wrench to hold the piston
rod, ...
Brake Switch "B" Circuit High
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling while
driving in lock-up condition when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ECM. Then
the ECM cancels the
operation of the lock-up clutch while ...