Toyota Sequoia (2005). Manual - part 510

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

DI–1835

2029

INSPECTION PROCEDURE

1

Check door courtesy light operation.

CHECK:
Check that the door courtesy light comes on when the door is opened, and goes off when the door is closed.
OK:

Door courtesy light normally operates.

OK

Proceed to next circuit inspection shown in
problem symptoms table (See page 

DI–1818

).

NG

2

Check door courtesy light (See page 

BE–40

).

NG

Replace the door courtesy light.

OK

3

Check wire harness and connector between door courtesy light and passenger
door ECU (See page 

IN–35

).

NG

Repair or replace wire harness or connector.

OK

Proceed to next circuit inspection shown in
problem symptoms table
(See page 

DI–1818

).

I28440

G

R

1

2

PDN

PU

9

1

Front Passenger
Door ECU

P7
Power Window Motor 
Front RH

*1: w/ Driving Position Memory
*2: w/o Driving Position Memory

F18 F18
(*1) (*2)

1

14

F18 F18
(*1) (*2)

DI–1836

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

2030

Power window motor circuit

CIRCUIT DESCRIPTION

The power window goes down when voltage is applied to terminal 1 of the power window motor, and the
window goes up when voltage is applied to terminal 2.

WIRING DIAGRAM

DI1QB–10

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

DI–1837

2031

INSPECTION PROCEDURE

HINT:
When using the hand–held tester, start the inspection from step 1 and when not using the hand–held tester,
start from step 2.

1

Check power window motor using hand–held tester.

PREPARATION:
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON.

CHECK:
According to the display on the tester, perform the ACTIVE TEST.
P–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)

OK:

Power window operates normally.

OK

Proceed to next circuit inspection shown in
problem symptoms table (See page 

DI–1818

).

NG

2

Check power window motor (See page 

BE–69

).

NG

Replace the power window motor.

OK

3

Check wire harness and connector between power window motor and passenger
door ECU (See page 

IN–35

).

NG

Repair or replace wire harness or connector.

OK

Proceed to next circuit inspection shown in
problem symptoms table
(See page 

DI–1818

).

I28441

W–B

L–W

5

4

Limit SW

SGND

LMT

18

16

Front Passenger
Door ECU

P7
Power Window Motor 
Front RH

*1: w/ Driving Position Memory
*2: w/o Driving Position Memory

F18 F18
(*1) (*2)

F18 F18

(*1) (*2)

4

2

DI–1838

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

2032

Jam protection limit switch circuit

CIRCUIT DESCRIPTION

The jam protection limit switch, built in the power window motor, turns off before top dead center. The ECU
reads this ”OFF” signal and fully closes the window.

WIRING DIAGRAM

DI1QC–08