Toyota Tundra (2015 year). Manual — part 2170
SYMPTOM
SUSPECTED AREA
SEE PAGE
Power back window does not operate
Back door power window regulator switch assembly
Power window regulator motor assembly
Main body ECU (driver side junction block)
Harness or connector
-
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM0000027QN02TX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM (w/ Jam Protection Function):
TERMINALS OF ECU; 2015 MY Tundra [08/2014 - ]
TERMINALS OF ECU
1. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Disconnect the N12 motor connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
TERMINAL NO. (SYMBOL)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
N12-2 (B) - Body ground
G - Body ground
Battery power supply
Always
11 to 14 V
N12-1 (GND) - Body
ground
W-B - Body
ground
Ground
Always
Below 1 Ω
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the N12 motor connector.
(d) Measure the voltage according to the value(s) in the table below.
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
N12-10 (UP) -
N12-1 (GND)
BE - W-B
Power window UP
operation
Ignition switch ON
Master switch
OFF → UP
11 to 14 V → Below
1 V
N12-10 (UP) -
N12-1 (GND)
BE - W-B
Power window UP
operation
Ignition switch ON
Door glass fully open → power
window AUTO UP operation → door
glass fully closed
11 to 14 V → Below
1 V → 11 to 14 V
N12-7 (DOWN) -
N12-1 (GND)
BR - W-B
Power window
DOWN operation
Ignition switch ON
Master switch
OFF → DOWN
11 to 14 V → Below
1 V
N12-7 (DOWN) -
N12-1 (GND)
BR - W-B
Power window
DOWN operation
Ignition switch ON
Door glass fully closed → power
window AUTO DOWN operation →
door glass fully open
11 to 14 V → Below
1 V → 11 to 14 V
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...
If the result is not as specified, the motor may be malfunctioning.
2. CHECK FRONT POWER WINDOW REGULATOR MOTOR RH
(a) Disconnect the M11 motor connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
TERMINAL NO. (SYMBOL)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
M11-2 (B) - Body ground
V - Body ground
Battery power supply
Always
11 to 14 V
M11-1 (GND) - Body
ground
W-B - Body
ground
Ground
Always
Below 1 Ω
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the M11 motor connector.
(d) Measure the voltage according to the value(s) in the table below.
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
M11-10 (UP) -
M11-1 (GND)
G - W-B
Power window UP
operation
Ignition switch ON
Power window regulator switch
assembly
OFF → UP
11 to 14 V → Below
1 V
M11-10 (UP) -
M11-1 (GND)
G - W-B
Power window UP
operation
Ignition switch ON
Door glass fully open → power
window AUTO UP operation → door
glass fully closed
11 to 14 V → Below
1 V → 11 to 14 V
M11-7 (DOWN)
- M11-1 (GND)
P - W-B
Power window DOWN
operation
Ignition switch ON
Power window regulator switch
assembly
OFF → DOWN
11 to 14 V → Below
1 V
M11-7 (DOWN)
- M11-1 (GND)
P - W-B
Power window DOWN
operation
Ignition switch ON
Door glass fully closed → power
window AUTO DOWN operation →
door glass fully open
11 to 14 V → Below
1 V → 11 to 14 V
M11-9 (LIN) -
M11-1 (GND)
L - W-B
LIN communication
signal
Ignition switch ON
Pulse generation
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
M11-4 (AUTO) -
M11-1 (GND)
B - W-B
Power window AUTO
UP/DOWN operation
Ignition switch ON
Power window regulator switch
assembly
OFF → AUTO UP/DOWN operation
11 to 14 V → Below
1 V
If the result is not as specified, the motor may be malfunctioning.
3. CHECK POWER WINDOW REGULATOR MASTER SWITCH
(a) Disconnect the N2 master switch connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
TERMINAL NO.
(SYMBOL)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
N2-3 (B) - Body ground
L - Body ground
Battery power supply
Always
11 to 14 V
N2-13 (B) - Body
ground
P - Body ground
Battery power supply
Ignition switch
ON
11 to 14 V
N2-1 (E) - Body ground
W-B - Body
ground
Ground
Always
Below 1 Ω
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the N2 master switch connector.
(d) Measure the voltage according to the value(s) in the table below.
TERMINAL
NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
N2-4 (UP) -
N2-1 (E)
BE - W-B
Driver side door power
window UP operation
Ignition switch ON, driver side switch of
master switch OFF → UP
11 to 14 V →
Below 1 V
N2-4 (UP) -
N2-1 (E)
BE - W-B
Driver side door power
window AUTO UP
operation
Ignition switch ON, driver side door
glass fully open → power window AUTO
UP operation → driver side door glass
fully closed
11 to 14 V →
Below 1 V → 11
to 14 V
N2-5 (DOWN)
- N2-1 (E)
BR - W-B
Driver side door power
window DOWN
operation
Ignition switch ON, driver side switch of
master switch OFF → DOWN
11 to 14 V →
Below 1 V
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...
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