DESCRIPTION
If the manual up/down function can be performed but the auto up/down function cannot, the fail-safe mode may be functioning.
If the power window initialization (See page
) has not been performed, the auto up/down function
will not operate.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (P-Door Motor) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / P-Door Motor / Data List.
(e) Read the Data List according to the display on the Techstream.
P-Door Motor (Power Window Regulator Motor Assembly (for Front Passenger Side))
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
P Door P/W Auto SW |
Front passenger side power window auto switch signal / ON or OFF |
ON: Front passenger door power window auto switch operated OFF: Front passenger door power window auto switch not operated |
- |
OK:
On the Techstream screen, ON or OFF is displayed accordingly.
NG | ![]() |
GO TO STEP 4 |
|
2. |
PERFORM INITIALIZATION (for Front Passenger Side) |
(a) Initialize the power window regulator motor assembly (for front passenger
side) (See page ).
|
3. |
CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION) |
(a) Check that the front passenger side door power window moves when the auto
up/down function of the power window regulator switch assembly (for front passenger
side) is operated (See page ).
OK:
Front passenger side auto up/down function is normal.
OK | ![]() |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
NG | ![]() |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) |
4. |
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) |
(a) Remove the power window regulator switch assembly (for front passenger
side) (See page |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
8 (AUTO) - 1 (GND) |
Auto up or auto down position |
Below 1 Ω |
*1 |
Component without harness connected (Power Window Regulator Switch Assembly (for Front Passenger Side)) |
NG | ![]() |
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) |
|
5. |
CHECK HARNESS AND CONNECTOR (POWER WINDOW SWITCH - REGULATOR MOTOR) |
(a) Disconnect the power window regulator motor assembly (for front passenger side) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
H8-8 (AUTO) - H4-4 (AUTO) |
Always |
Below 1 Ω |
H8-8 (AUTO) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Power Window Regulator Switch Assembly (for Front Passenger Side)) |
*2 |
Front view of wire harness connector (to Power Window Regulator Motor Assembly (for Front Passenger Side)) |
OK | ![]() |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Glossary Of Sae And Toyota Terms
GLOSSARY OF SAE AND TOYOTA TERMS
This glossary lists all SAE-J1930 terms and abbreviations used in this manual
in compliance with SAE recommendations, as well as their TOYOTA equivalents.
SAE
Abbreviation
SAE Term
TOYOTA ...
Back Door Motor Clutch Malfunction (B2225)
DESCRIPTION
When an electrical malfunction (open or short) is detected in the clutch circuit
of the power back door ECU (power back door motor unit) while the power back door
is operating, the power back door ECU (power back door motor unit) stores DTC B2 ...