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

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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

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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 

DI–1774

)

(*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

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ACC SW

ACC switch/ON or OFF

ON: Ignition switch ACC

OFF: Ignition switch OFF

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IG SW

IG switch/ON or OFF

ON: Ignition switch ON

OFF: Ignition switch OFF

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PARKING BRAKE SW

Parking brake switch/ON or OFF

ON: 

Parking brake pedal depressed

(ON)

OFF: 

Parking brake released (OFF)

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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

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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

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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

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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

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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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