Toyota 4Runner: Remote Up / Down Function does not Operate
DESCRIPTION
When the ignition switch is ON and the window lock switch is off, the multiplex network master switch sends remote up/down signals to each power window regulator motor via the LIN communication line.
PROCEDURE
|
1. |
CHECK LIN COMMUNICATION SYSTEM |
(a) Check for LIN communication system DTCs related to the power window control
system (See page .gif)
).
OK:
LIN communication system DTCs are not output.
| NG | .gif) |
GO TO LIN COMMUNICATION SYSTEM |
|
.gif)
|
2. |
CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH) |
|
(a) Turn the window lock switch off and operate the switches on the multiplex
network master switch. Check that the remote up/down function operates (See
page OK: Remote up/down function operates. |
|
| OK | |
END |
| NG | |
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY |
Auto Up / Down Function does not Operate
DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of
the following:
The ECU in the back door power window regulator motor determines that
the back ...
Manual Up / Down Function does not Operate on Back Door Only
DESCRIPTION
If the back door power window does not operate, the retract switch in the rear
wiper motor, the back door power window regulator motor or the wire harness may
be abnormal.
WIRING DIA ...
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Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE BACK DOOR LOCK PROTECTOR SUB-ASSEMBLY
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3. REMOVE ASSIST STRAP ASSEMBLY
4. REMOVE BACK DOOR TRIM PANEL ASSEMBLY
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