Toyota Sequoia (2005). Manual - part 497

DI1PB–09

I18633

D22

DRIVER DOOR ECU :

–

DIAGNOSTICS

DRIVER DOOR CONTROL SYSTEM

DI–1783

1977

TERMINALS OF ECU

Symbols (Terminal No.)

Wiring Color

Terminal Description

Condition

Specified Condi-

tion

CPUB 

↔

 GND 

(23 

↔

 13)

W–R 

↔

 W–B

Battery

Always

10 to 14 V

BDR 

↔

 GND 

(25 

↔

 13)

L–W 

↔

 W–B

Battery

Always

10 to 14 V

CTYB 

↔

 DCYL

(5 

↔

 6)

R 

↔

 R–W

Courtesy switch driver

side

Driver’s door closed

10 to 14 V

CTYB 

↔

 DCYL

(5 

↔

 6)

R 

↔

 R–W

Courtesy switch driver

side

Driver’s door open

Below 1 V

SIG 

↔

 GND

(21 

↔

 13)

B–R 

↔

 W–B

Ignition switch

Ignition switch ON

10 to 14 V

GND 

↔

 Body Ground

(13 

↔

 Body Ground)

W–B 

↔

 Body

Ground

Ground

Always

Below 1 V

PLS 

↔

 SGND 

(3 

↔

 4)

L–R 

↔

 W–B

Power window pulse

sensor

Power window is operated

Pulse 

Generation

PLS 

↔

 SGND 

(3 

↔

 4)

L–R 

↔

 W–B

Power window pulse

sensor

Power window is not operated (Switch ON)

Below 1 V

PLS 

↔

 SGND 

(3 

↔

 4)

L–R 

↔

 W–B

Power window pulse

sensor

Power window is not operated (Switch OFF)

10 to 14 V

LMT 

↔

 SGND 

(2 

↔

 4)

L–Y 

↔

 W–B

Power window limit

switch

Driver’s door window not fully closed position

Below 1 V

LMT 

↔

 SGND 

(2 

↔

 4)

L–Y 

↔

 W–B

Power window limit

switch

Driver’s door window fully closed position

10 to 14 V

DU 

↔

 DDN

(1 

↔

 14)

R 

↔

 G

Power window motor

(UP)

Ignition switch ON and driver’s window switch OFF

Below 1 V

DU 

↔

 DDN

(1 

↔

 14)

R 

↔

 G

Power window motor

(UP)

Ignition switch ON and driver’s window switch UP

10 to 14 V

DDN 

↔

 DU

(14 

↔

 1)

G 

↔

 R

Power window motor

(DOWN)

Ignition switch ON and driver’s window switch OFF

Below 1 V

DDN 

↔

 DU

(14 

↔

 1)

G 

↔

 R

Power window motor

(DOWN)

Ignition switch ON and driver’s window switch DOWN

10 to 14 V

MPX1 

↔

 –

(20 

↔

 –)

G–B 

↔

 –

Multiplex communica-

tion line

Multiplex communication circuit

–

DI–1784

–

DIAGNOSTICS

DRIVER DOOR CONTROL SYSTEM

1978

MPX2 

↔

 –

(8 

↔

 –)

W–L 

↔

 –

Multiplex communica-

tion line

Multiplex communication circuit

–

KL 

↔

 LSWE

(22 

↔

 9)

LG–B 

↔

 W–B

Door key lock and un-

lock switch (LOCK)

Door key lock and unlock switch LOCK

Below 1 V

KL 

↔

 LSWE

(22 

↔

 9)

LG–B 

↔

 W–B

Door key lock and un-

lock switch (LOCK)

Door key lock and unlock switch OFF or UNLOCK

10 to 14 V

KUL 

↔

 LSWE

(10 

↔

 9)

LG–R 

↔

W–B

Door key lock and un-

lock switch (UNLOCK)

Door key lock and unlock switch UNLOCK

Below 1 V

KUL 

↔

 LSWE

(10 

↔

 9)

LG–R 

↔

W–B

Door key lock and un-

lock switch (UNLOCK)

Door key lock and unlock switch OFF or LOCK

10 to 14 V

LSWD 

↔

 LSWE

(24 

↔

 9)

R–Y 

↔

 W–B

Door unlock detection

switch

Driver door is locked

10 to 14 V

LSWD 

↔

 LSWE

(24 

↔

 9)

R–Y 

↔

 W–B

Door unlock detection

switch

Driver door is unlocked

Below 1 V

WLSW 

↔

 GND

(7 

↔

 13)

R–L 

↔

 W–B

Window lock switch

Driver side window lock switch position UNLOCK

Below 1 V

WLSW 

↔

 GND

(7 

↔

 13)

R–L 

↔

 W–B

Window lock switch

Driver side window lock switch position LOCK

10 to 14 V

SGND 

↔

 Body Ground

(4 

↔

 Body Ground)

W–B 

↔

 Body

Ground

Ground

Always

Below 1 V

LSWE 

↔

 Body Ground

(9 

↔

 Body Ground)

W–B 

↔

 Body

Ground

Ground

Always

Below 1 V

DM+R (*1) 

↔

 GND 

(15 

↔

 13)

L–W 

↔

 W–B

Outer mirror motor

Remote control mirror is not operated

Below 1 V

DM+R (*1) 

↔

 GND 

(15 

↔

 13)

L–W 

↔

 W–B

Outer mirror motor

Remote control mirror is operated DOWN or RIGHT

10 to 14 V

DMVR (*1) 

↔

 GND 

(17 

↔

 13)

BR–B 

↔

W–B

Outer mirror motor

Remote control mirror is not operated

Below 1 V

DMVR (*1) 

↔

 GND 

(17 

↔

 13)

BR–B 

↔

W–B

Outer mirror motor

Remote control mirror is operated UP or RIGHT

10 to 14 V

DMHR (*1) 

↔

 GND 

(16 

↔

 13)

BR–R 

↔

W–B

Outer mirror motor

Remote control mirror is not operated

Below 1 V

DMHR (*1) 

↔

 GND 

(16 

↔

 13)

BR–R 

↔

W–B

Outer mirror motor

Remote control mirror is operated LEFT or DOWN

10 to 14 V

DVC (*1) 

↔

 LE1 

(11 

↔

 12)

BR–W 

↔

 L–R

Outer mirror position

sensor

Ignition switch OFF

Below 1 V

DVC (*1) 

↔

 LE1 

(11 

↔

 12)

BR–W 

↔

 L–R

Outer mirror position

sensor

Ignition switch ON

4.8 to 5.2 V

VSSR (*1) 

↔

 LE1 

(18 

↔

 12)

BR–Y 

↔

 L–R

Outer mirror position

sensor

Ignition switch ON, outer mirror position full DOWN

0.5 to 1.8 V

VSSR (*1) 

↔

 LE1 

(18 

↔

 12)

BR–Y 

↔

 L–R

Outer mirror position

sensor

Ignition switch ON, outer mirror position full UP

3.5 to 4.5 V

HSSR (*1) 

↔

 LE1 

(19 

↔

 12)

L–B 

↔

 L–R

Outer mirror position

sensor

Ignition switch ON, outer mirror position full OUT

0.5 to 1.8 V

HSSR (*1) 

↔

 LE1 

(19 

↔

 12)

L–B 

↔

 L–R

Outer mirror position

sensor

Ignition switch ON, outer mirror position full IN

3.5 to 4.5 V

*1: w/ Driving position memory

DIDEM–01

–

DIAGNOSTICS

DRIVER DOOR CONTROL SYSTEM

DI–1785

1979

DATA LIST / ACTIVE TEST

1.

DATA LIST

HINT:
According to the DATA LIST displayed by the hand–held tester, you can read the value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as the 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.

D–DOOR:

Item

Measurement Item/Dis-

play (Range)

Normal Condition

Diagnostic Note

D P/W AUTO SW

Driver door power win-

dow auto SW signal/

ON or OFF

ON: Driver door power window auto UP/DOWN SW is ON

OFF: Driver door power window auto UP/DOWN SW is

OFF

–

P P/W AUTO SW

Driver door power win-

dow auto SW signal/

ON or OFF

ON: Driver door power window auto UP/DOWN SW is ON

OFF: Driver door power window auto UP/DOWN SW is

OFF

–

LIMIT SW

Jam protection limit SW/

ON or OFF

ON: Window is almost fully open

OFF: Window is open

*1

LOCK POS SW

Lock position SW signal/

ON or OFF

ON: Door lock is in unlock position

OFF: Door lock is in lock position

–

*1: If the jam protection limit switch is turned ON, the jam protection function will stop.
Even if the switch is not turned ON when the windows are almost fully open, the window will not fully close
as jam protection operates at upper window positions during automatic–up operation.
HINT:
The following data list can be used when the power window is operated through manual–up operation during
the ACTIVE TEST.

Item

Measurement Item/Display (Range)

Normal Condition

Diagnostic Note

GLASS POS–1/4

Detects things caught in the P/W / OK or

CAUTION

(Displayed during the active test)

OK: Nothing caught in the range between

fully open and 1/4 open

*2

GLASS POS–2/4

Detects things caught in the P/W / OK or

CAUTION

(Displayed during the active test)

OK: Nothing caught in the range between

1/4 open and 2/4 open

*2

GLASS POS–3/4

Detects things caught in the P/W / OK or

CAUTION

(Displayed during the active test)

OK: Nothing caught in the range between

2/4 open and 3/4 open

*2

GLASS POS–OPEN

Detects things caught in the P/W / OK or

CAUTION

(Displayed during the active test)

OK: Nothing caught in the range between

3/4 open and fully open

*2

HINT:
*2: If the CAUTION is displayed without applying any resistance in each range, there must be something
caught somewhere in that range.

Item

Measurement Item/Display (Range)

Normal Condition

Diagnostic Note

UP/DOOR KEY (*1)

Driver door key lock and unlock switch

linked window open and close/AVAIL or

NOT AVL

AVAIL: Key–linked open and close SET

NOT AVL: Key–linked open and close UN-

SET

–

DOWN/DOOR KEY (*1)

Driver door key lock and unlock switch

linked window open and close/AVAIL or

NOT AVL

AVAIL: Key–linked open and close SET

NOT AVL: Key–linked open and close UN-

SET

–

DI–1786

–

DIAGNOSTICS

DRIVER DOOR CONTROL SYSTEM

1980

*1: When the ignition key is not in the key cylinder and the back door is locked, turning and holding the key
in the back door key cylinder in the lock position for 1.5 seconds or more activates the driver door ECU to
operate the power window motor and close the power window.
Similarly, turning and holding the key in the back door key cylinder in the unlock position for 1.5 seconds or
more when the back door is unlocked will open the power window.

Item

Measurement Item/Display (Range)

Normal Condition

Diagnostic Note

MIR POS SEN V

Vertical mirror position/Min.: 0, Max.: 5

Within range from 0 to 5 V

–

MIR POS SEN H

Vertical mirror position/Min.: 0, Max.: 5

Within range from 0 to 5 V

–

2.

ACTIVE TEST

HINT:
Performing the ACTIVE TEST using the hand–held tester allows the relay, actuator and so on to operate
without removal. Performing the ACTIVE TEST as the first step of troubleshooting is one of the methods to
shorten labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON.

(c)

According to the display on the tester, perform the ACTIVE TEST.

D–DOOR:

Item

Test Details

Diagnostic Note

P/W UP/DOWN

Drive the P/W Motor UP/DOWN

During this ACTIVE TEST, jam protection, caught

detection can be monitored.

(Refer to the DATA LIST for details)

MIRR UP/DOWN

Mirror motor vertical operation UP/OFF/DOWN

–

MIRR RIGHT/LEFT

Mirror motor horizontal operation RIGHT/OFF/

LEFT

–