Toyota Sequoia (2005). Manual - part 873

BE2MN–01

–

BODY ELECTRICAL

BACK DOOR POWER WINDOW CONTROL SYSTEM

BE–77

3481

ADJUSTMENT

1.

RESET (INITIALIZE) POWER WINDOW REGULATOR MOTOR

NOTICE:
Resetting the power window regulator motor (initializing the pulse sensor) is necessary if: 1) the bat-
tery terminal cable is disconnected; 2) the back door ECU, wire harness, power window regulator
switch, power window regulator assembly and power window regulator motor are replaced or re-
moved/installed; or 3) the P/W fuse is replaced or removed. If resetting is not performed, the master
switch assembly will not be able to operate the AUTO operation function, jam protection function and
remote operation function.
(a)

Turn the ignition switch ON.

(b)

Open the power window halfway by pressing the power window switch.

(c)

Fully pull up on the switch until the power window is fully closed and continue to hold the switch for
at least 1 second.

(d)

Check that the AUTO UP/DOWN function operates normally.

If the AUTO UP/DOWN function operates normally, reset operations are complete. If abnormal, follow the
steps (e) to (g) below.
(e)

Disconnect the negative battery terminal cable for 10 seconds.

(f)

Connect the battery terminal cable.

(g)

Perform the steps (a) to (d) again.

BE075–07

I28415

Door Lock Control Switch

Ignition Switch

Door Lock Control Switch

Door Key Lock and Unlock
Switch

 Back Door Control Switch

Instrument Panel J/B

Body ECU
(Located behind the Instrument Panel)

Door Lock Assembly

 Door Lock Motor

 Door Key Lock and Unlock Switch

 Door Unlock Detection Switch

Door Lock Assembly

 Door Lock Motor

 Door Unlock Detection Switch

Back Door Lock Assembly

 Back Door Lock Motor

 Back Door Detection Switch

Back Door ECU
(Located inside of the back door trim board)

Door Lock Assembly

 Door Lock Motor

 Door Unlock Detection Switch

BE–78

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

3482

POWER DOOR LOCK CONTROL SYSTEM

LOCATION

BE266–05

I18691

LOCK

UNLOCK

I18692

LOCK

UNLOCK

I18693

LOCK

UNLOCK

I18694

LOCK

UNLOCK

I18695

LOCK

UNLOCK

Right Side

Left Side

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

BE–79

3483

INSPECTION

1.

INSPECT DRIVER DOOR KEY LOCK AND UNLOCK
SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

3 – 5

Continuity

OFF

–

No continuity

UNLOCK

3 – 6

Continuity

If continuity is not as specified, replace the door lock motor.

2.

INSPECT PASSENGER’S DOOR KEY LOCK AND UN-
LOCK SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

LOCK

2 – 4

Continuity

OFF

–

No continuity

UNLOCK

1 – 4

Continuity

If continuity is not as specified, replace the door lock motor.

3.

INSPECT DRIVER’S DOOR UNLOCK DETECTION
SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

OFF (Door Lock set to

LOCK)

–

No continuity

ON (Door Lock set to

UNLOCK)

3 – 4

Continuity

If continuity is not as specified, replace the door lock motor.

4.

INSPECT PASSENGER’S DOOR UNLOCK DETEC-
TION SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

OFF (Door Lock set to

LOCK)

–

No continuity

ON (Door Lock set to

UNLOCK)

3 – 4

Continuity

If continuity is not as specified, replace the door lock motor.

5.

INSPECT REAR DOOR UNLOCK DETECTION
SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

OFF (Door Lock set to

LOCK)

–

No continuity

ON (Door Lock set to

UNLOCK)

3 – 4 (Left side)

1 – 2 (Right side)

Continuity

If continuity is not as specified, replace the door lock motor.

I04138

1

2

1

2

I04139

5

6

5

6

I04140

1

2

1

2

I04141

3

4

3

4

I04141

3

4

3

4

BE–80

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

3484

6.

INSPECT DRIVER’S DOOR LOCK MOTOR OPERA-
TION

(a)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 2, and check that
the door lock cable moves to the UNLOCK position.

(b)

Reverse the polarity and check that the door lock cable
moves to the LOCK position.

If operation is not as specified, replace the door lock motor.

7.

INSPECT PASSENGER’S DOOR LOCK MOTOR OP-
ERATION

(a)

Connect the positive (+) lead from the battery to terminal
5 and the negative (–) lead to terminal 6, and check that
the door lock cable moves to the UNLOCK position.

(b)

Reverse the polarity and check that the door lock cable
moves to the LOCK position.

If operation is not as specified, replace the door lock motor.

8.

INSPECT REAR LEFT SIDE DOOR LOCK MOTOR OP-
ERATION

(a)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 2, and check that
the door lock cable moves to the UNLOCK position.

(b)

Reverse the polarity and check that the door lock cable
moves to the LOCK position.

If operation is not as specified, replace the door lock motor.

9.

INSPECT REAR RIGHT SIDE DOOR LOCK MOTOR
OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
3 and the negative (–) lead to terminal 4, and check that
the door lock cable moves to the UNLOCK position.

(b)

Reverse the polarity and check that the door lock cable
moves to the LOCK position.

If operation is not as specified, replace the door lock motor.

10.

INSPECT BACK DOOR LOCK MOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
3 and the negative (–) lead to terminal 4, and check that
the door lock cable moves to the UNLOCK position.

(b)

Reverse the polarity and check that the door lock cable
moves to the LOCK position.

If operation is not as specified, replace the door lock motor.