Toyota Tundra (2015 year). Manual — part 2125
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
retracting)
N7-5 (MR+) -
N7-9 (GND)
LG - W-B
Mirror retract motor
output (retracting)
Mirror retract switch ON (Outer
rear view mirror RH is
retracting)
11 to 14 V
N7-6 (MR-) -
N7-9 (GND)
BR - W-B
Mirror retract motor
output (retracting)
Mirror retract switch OFF (Outer
rear view mirror RH is
retracting)
11 to 14 V
N8-18 (M+L) -
N7-9 (GND)
P - W-B
Mirror motor output
Mirror master switch L, Mirror
control switch OFF
Below 1 V
Mirror master switch L, Mirror
control switch UP or LEFT
Below 1 V
Mirror master switch L, Mirror
control switch DOWN or RIGHT
11 to 14 V
N8-19 (MHL) -
N7-9 (GND)
B - W-B
Mirror motor output
Mirror master switch L, Mirror
control switch OFF
Below 1 V
Mirror master switch L, Mirror
control switch RIGHT
Below 1 V
Mirror master switch L, Mirror
control switch LEFT
11 to 14 V
N8-20 (MVL) -
N7-9 (GND)
Y - W-B
Mirror motor output
Mirror master switch L, Mirror
control switch OFF
Below 1 V
Mirror master switch L, Mirror
control switch DOWN
Below 1 V
Mirror master switch L, Mirror
control switch UP
11 to 14 V
N8-38 (M+R) -
N7-9 (GND)
R - W-B
Mirror motor output
Mirror master switch R, Mirror
control switch OFF
Below 1 V
Mirror master switch R, Mirror
control switch UP or LEFT
Below 1 V
Mirror master switch R, Mirror
control switch DOWN or RIGHT
11 to 14 V
N8-39 (MHR) -
N7-9 (GND)
BE - W-B
Mirror motor output
Mirror master switch R, Mirror
control switch OFF
Below 1 V
Mirror master switch R, Mirror
control switch RIGHT
Below 1 V
Mirror master switch R, Mirror
control switch LEFT
11 to 14 V
N8-40 (MVR) -
N7-9 (GND)
G - W-B
Mirror motor output
Mirror master switch R, Mirror
control switch OFF
Below 1 V
Mirror master switch R, Mirror
control switch DOWN
Below 1 V
MIRROR: POWER MIRROR CONTROL SYSTEM (w/ Memory): TE...
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
Mirror master switch R, Mirror
control switch UP
11 to 14 V
N8-4 (VSR) -
N8-3 (E1)
L - SB
Vertical direction
position signal
Mirror master switch R or L
Mirror control switch UP or
DOWN
Voltage fluctuates
between 0 and 5 V
N8-5 (HSRL) -
N8-3 (E1)
W - SB
Horizontal direction
position signal
Mirror master switch R or L
Mirror control switch RIGHT or
LEFT
Voltage fluctuates
between 0 and 5 V
N8-2 (LVC) -
N8-3 (E1)
LG - SB
Power source for mirror
position sensor
Ignition switch LOCK during
sleep mode
Below 1 V
Ignition switch ON
3.5 to 5.5 V
N8-24 (VSSR) -
N8-23 (E1)
P - BR
Vertical direction
position signal
Mirror master switch R or L
Mirror control switch UP or
DOWN
Voltage fluctuates
between 0 and 5 V
N8-25 (HSRR) -
N8-23 (E1)
B - BR
Horizontal direction
position signal
Mirror master switch R or L
Mirror control switch RIGHT or
LEFT
Voltage fluctuates
between 0 and 5 V
N8-22 (RVC) -
N8-23 (E1)
GR - BR
Power source for mirror
position sensor
Ignition switch LOCK during
sleep mode
Below 1 V
Ignition switch ON
3.5 to 5.5 V
If the result is not as specified, the ECU may have a malfunction.
2. CHECK MAIN BODY ECU
MIRROR: POWER MIRROR CONTROL SYSTEM (w/ Memory): TE...
(a) Disconnect the DB and DA ECU connectors.
(SYMBOLS)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
DB-13 (BECU) - Body ground
GR - Body
ground
BECU power supply
Always
11 to 14 V
DA-1 (ACC) - Body ground
B - Body ground
ACC power supply
Always
11 to 14 V
MIRROR: POWER MIRROR CONTROL SYSTEM (w/ Memory): TE...
TERMINAL NO.
(SYMBOLS)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
DA-1 (IG) - Body ground
B - Body ground
IG power supply
Always
11 to 14 V
DB-21 (GND1) - Body
ground
B - Body ground
Body 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 DB and DA ECU connectors.
(SYMBOLS)
WIRING
COLOR
TERMINAL DESCRIPTION
CONDITION
SPECIFIED
CONDITION
J3-6 (RET) - DB-21
(GND1)
V - B
Mirror retract motor
output (retracting)
Mirror retract switch ON
11 to 14 V
J3-6 (RET) - DB-21
(GND1)
V - B
Mirror retract motor
output (retracting)
Mirror retract switch OFF
Below 1 V
J4-11 (MIRB) -
J4-2 (MIRE)
R - GR
Mirror motor output
Mirror master switch L
11 to 14 V
Mirror master switch R
11 to 14 V
Mirror master switch OFF
Below 1 V
J4-12 (MIRS) -
J4-2 (MIRE)
L - GR
Mirror motor output
Mirror master switch L, Mirror
control switch RIGHT
11 to 14 V
Mirror master switch L, Mirror
control switch LEFT
11 to 14 V
Mirror master switch L, Mirror
control switch DOWN
11 to 14 V
Mirror master switch L, Mirror
control switch UP
11 to 14 V
Mirror master switch R, Mirror
control switch RIGHT
11 to 14 V
Mirror master switch R, Mirror
control switch LEFT
11 to 14 V
Mirror master switch R, Mirror
control switch DOWN
11 to 14 V
Mirror master switch R, Mirror
control switch UP
11 to 14 V
Mirror master switch OFF
Below 1 V
If the result is not as specified, the ECU may have a malfunction.
MIRROR: POWER MIRROR CONTROL SYSTEM (w/ Memory): TE...
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