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:
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX
COMMUNICATION SYSTEM (BEAN)
Use the intelligent tester to check for norma ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP
2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION
Ask the customer about symptoms and confirm
malfunctions.
3 CONFIRM THE SYSTEM NORMAL CONDITION
4 CHECK DTC
HINT:
If the system cannot enter the diagnosis mode, inspect each
AVC-LAN communication signal ...
Access monitor result
(A) select the following menus on the intelligent tester:
diagnosis, enhanced obdii, monitor info
and monitor result. The monitor status
appears after the component name.
INCMP: The component has not been monitored
yet.
PASS: The component is functioning normally.
FAIL: The component is ...