Toyota Sequoia (2005). Manual — part 474
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DIAGNOSTICS
BODY CONTROL SYSTEM
DI–1691
1885
TAIL – GND1
(B6–7 – B6–6)
G – W–B
Light control switch
(TAIL)
Light control switch OFF
10 to 14 V
CLTS (*3) – GND1
(B6–12 – B6–6)
Y – W–B
Automatic light control
sensor (Signal)
Ignition switch OFF
Below 1 V
CLTS (*3) – GND1
(B6–12 – B6–6)
Y – W–B
Automatic light control
sensor (Signal)
Ignition switch ON
Signal waveform
CLTE (*3) – GND1
(B6–3 – B6–6)
BR – W–B
Automatic light control
sensor (Ground)
Always
Below 1 V
CLTB (*3) – GND1
(B6–4 – B6–6)
R–G – W–B
Automatic light control
sensor (IG)
Ignition switch OFF
Below 1 V
CLTB (*3) – GND1
(B6–4 – B6–6)
R–G – W–B
Automatic light control
sensor (IG)
Ignition switch ON
10 to 14 V
BZR – GND1
(B7–15 – B6–6)
LG – W–B
Wireless door lock
buzzer signal
Buzzer does not sound
Below 1 V
BZR – GND1
(B7–15 – B6–6)
LG – W–B
Wireless door lock
buzzer signal
Buzzer sounds
10 to 14 V
RLD – GND1
(B7–26 – B6–6)
L – W–B
Power window control
(Rear LH (DOWN))
Ignition switch ON
Below 1 V
RLD – GND1
(B7–26 – B6–6)
L – W–B
Power window control
(Rear LH (DOWN))
Ignition switch ON,
Rear left power window DOWN
operation
10 to 14 V
RLU – GND1
(B7–25 – B6–6)
G–R – W–B
Power window control
(Rear LH (UP))
Ignition switch ON
Below 1 V
RLU – GND1
(B7–25 – B6–6)
G–R – W–B
Power window control
(Rear LH (UP))
Ignition switch ON,
Rear left power window UP op-
eration
10 to 14 V
RRD – GND1
(B5–20 – B6–6)
L – W–B
Power window control
(Rear RH (DOWN))
Ignition switch ON
Below 1 V
RRD – GND1
(B5–20 – B6–6)
L – W–B
Power window control
(Rear RH (DOWN))
Ignition switch ON,
Rear right power window DOWN
operation
10 to 14 V
RRU – GND1
(B5–19 – B6–6)
G–Y – W–B
Power window control
(Rear RH (UP))
Ignition switch ON
Below 1 V
RRU – GND1
(B5–19 – B6–6)
G–Y – W–B
Power window control
(Rear RH (UP))
Ignition switch ON,
Rear right power window UP op-
eration
10 to 14 V
HEAD – GND1
(B6–9 – B6–6)
G–Y – W–B
Light control switch
(HEAD)
Light control switch HEAD
Below 1 V
HEAD – GND1
(B6–9 – B6–6)
G–Y – W–B
Light control switch
(HEAD)
Light control switch OFF or TAIL
10 to 14 V
PKB – GND1
(B5–3 – B6–6)
LG–R – W–B
Parking brake switch
signal
Ignition switch ON, Parking brake
applied
Below 1 V
PKB – GND1
(B5–3 – B6–6)
LG–R – W–B
Parking brake switch
signal
Ignition switch ON, Parking brake
not applied
10 to 14 V
GSW
GR R
Airbag sensor commu-
Airbag sensor communication
GSW
(B6–16)
GR–R
Airbag sensor commu
nication signal
Airbag sensor communication
circuit
–
OBD2
(B5–2)
G–R
Diagnosis signal
DLC3 communication circuit
–
FFOG – GND1
(B6–13 – B6–6)
G–B – W–B
Fog light switch signal
Headlight dimmer switch LOW,
Fog light switch OFF
Below 1 V
DI–1692
–
DIAGNOSTICS
BODY CONTROL SYSTEM
1886
FFOG – GND1
(B6–13 – B6–6)
G–B – W–B
Fog light switch signal
Headlight dimmer switch LOW,
Fog light switch ON
10 to 14 V
DIM (*1) – GND1
(B7–17 – B6–6)
R – W–B
DIMMER relay signal
Ignition switch OFF
Below 1 V
DIM (*1) – GND1
(B7–17 – B6–6)
R – W–B
DIMMER relay signal
Ignition switch ON
10 to 14 V
H–ON (*1) – GND1
(B7–16 – B6–6)
R–W – W–B
DRL No.4 relay signal
Ignition switch OFF
Below 1 V
H–ON (*1) – GND1
(B7–16 – B6–6)
R–W – W–B
DRL No.4 relay signal
Ignition switch ON
10 to 14 V
HIND (*1) – GND1
(B5–18 – B6–6)
GR–L – W–B
Hi–beam indicator light
signal
Ignition switch OFF
Below 1 V
HIND (*1) – GND1
(B5–18 – B6–6)
GR–L – W–B
Hi–beam indicator light
signal
Ignition switch ON
10 to 14 V
A (*3) – GND1
(B6–10 – B6–6)
L–R – W–B
Light control switch
(AUTO)
Light control switch OFF
Below 1 V
A (*3) – GND1
(B6–10 – B6–6)
L–R – W–B
Light control switch
(AUTO)
Light control switch AUTO
10 to 14 V
MIRE – GND1
(B5–28 – B6–6)
LG–B – W–B
Remote control mirror
switch (Ground)
Always
Below 1 V
MIRS – GND1
(B5–29 – B6–6)
P–L – W–B
Remote control mirror
switch (IG)
Ignition switch ON
10 to 14 V
MIRS – GND1
(B5–29 – B6–6)
P–L – W–B
Remote control mirror
switch (IG)
Ignition switch ON,
Mirror switch L or R position se-
lected
Below 1 V
MIRB – GND1
(B5–30 – B6–6)
G–B – W–B
Remote control mirror
switch (Battery)
Always
10 to 14 V
S+B – GND1
(B6–1 – B6–6)
W–L – W–B
Battery
Always
10 to 14 V
PWS – GND1
(B6–21 – B6–6)
R–L – W–B
Back door power win-
dow switch (Ground)
Ignition switch ON
Below 1 V
PWS – GND1
(B6–21 – B6–6)
R–L – W–B
Back door power win-
dow switch (Ground)
Ignition switch ON,
Back door power window switch
operated
10 to 14 V
M2 (*4) – GND1
(B6–22 – B6–6)
G – W–B
Driving position
memory switch (M2)
Ignition switch ON
10 to 14 V
M2 (*4) – GND1
(B6–22 – B6–6)
G – W–B
Driving position
memory switch (M2)
Ignition switch ON,
Driving position memory switch
M2 button pushed
Below 1 V
M1 (*4) – GND1
(B6–23 – B6–6)
L–Y – W–B
Driving position
memory switch (M1)
Ignition switch ON
10 to 14 V
M1 (*4) – GND1
(B6–23 – B6–6)
L–Y – W–B
Driving position
memory switch (M1)
Ignition switch ON,
Driving position memory switch
M1 button pushed
Below 1 V
MM (*4) – GND1
(B6–24 – B6–6)
L – W–B
Driving position
memory switch (SET)
Ignition switch ON
10 to 14 V
MM (*4) – GND1
(B6–24 – B6–6)
L – W–B
Driving position
memory switch (SET)
Ignition switch ON,
Driving position memory switch
SET button pushed
Below 1 V
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DIAGNOSTICS
BODY CONTROL SYSTEM
DI–1693
1887
DOP (*2) – GND1
(B5–9 – B6–6)
P – W–B
Glass breakage sensor
ECU communication
Armed state
Below 1 V
DOP (*2) – GND1
(B5–9 – B6–6)
P – W–B
Glass breakage sensor
ECU communication
Alarm sounds (on glass break-
age detection)
Pulse generation
(See page
)
(*1): w/ Daytime Running Light
(*2): w/ Glass Breakage Sensor
(*3): w/ Automatic Light Control
(*4): w/ Driving Position Memory
(*5): w/ Sliding Roof
DID99–01
DI–1694
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DIAGNOSTICS
BODY CONTROL SYSTEM
1888
DATA LIST / ACTIVE TEST
1.
DATA LIST
HINT:
According to the DATA LIST displayed by the hand–held tester, you can read the values of the switches,
sensors, actuators and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting
is one of the methods to shorten labor time.
(a)
Connect the hand–held tester to the DLC3.
(b)
Turn the ignition switch ON.
(c)
According to the display on the tester, read the ”DATA LIST”.
BODY ECU:
Item
Measurement Item/Display
(Range)
Normal Condition
Diagnostic Note
KEY UNLK WRN SW
Key unlock warning switch/ON or
OFF
ON: Key is in ignition key cylinder
OFF: No key is in ignition key cyl-
inder
–
ACC SW
ACC switch/ON or OFF
ON: Ignition switch ACC
OFF: Ignition switch OFF
–
IG SW
IG switch/ON or OFF
ON: Ignition switch ON
OFF: Ignition switch OFF
–
PARKING BRAKE SW
Parking brake switch/ON or OFF
ON:
Parking brake pedal depressed
(ON)
OFF:
Parking brake released (OFF)
–
HOOD COURTSY SW
Hood courtesy switch/ON or OFF
ON: Engine hood OPEN
(Hood courtesy switch ON)
OFF: Engine hood CLOSED
(Hood courtesy switch OFF)
–
D DOR CTY SW
Driver door courtesy light switch/
ON or OFF
ON: Driver door is opened
OFF: Driver door is closed
–
P DOR CTY SW
Front passenger door courtesy
light switch/ON or OFF
ON: Front passenger door is
opened
OFF: Front passenger door is
closed
–
Rr DOR CTY SW
Rear passenger door courtesy
light switch/ON or OFF
ON: Rear passenger door is
opened
OFF: Rear passenger door is
closed
–
MIRR SEL SW R
Remote control mirror switch pas-
senger side/ON or OFF
ON: Remote control mirror switch
passenger side is selected
OFF: Remote control mirror switch
passenger side is not selected
–
MIRR SEL SW L
Remote control mirror switch driv-
er side/ON or OFF
ON: Remote control mirror switch
driver side is selected
OFF: Remote control mirror switch
driver side is not selected
–
MIRR POS SW R
Remote control mirror switch R
position/ON or OFF
ON: Remote control mirror switch
R position is selected
OFF: Remote control mirror switch
R position is not selected
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