Toyota Sequoia (2005). Manual - part 511

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

DI–1839

2033

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 jam protection limit switch 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, read the DATA LIST.
P–DOOR:

Item

Measurement Item/Dis-

play (Range)

Normal condition

Diagnostic Note

LIMIT SW

Jam protection limit SW/

ON or OFF

ON: Window is almost fully open

OFF: Window is open

*1

*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.
OK:

Indication on the tester switches between ON and OFF in accordance with the jam protection
limit switch status.

OK

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

DI–1818

).

NG

2

Check jam protection limit switch (Jam protection function) (See page 

BE–69

).

NG

Replace the power window motor.

OK

DI–1840

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

2034

3

Check wire harness and connector between jam protection limit switch and pas-
senger 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

).

I28442

W–B

L–R

5

3

Pulse Sensor

SGND

PLS

18

17

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)

4

3

F18 F18

(*1) (*2)

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

DI–1841

2035

Jam protection pulse sensor circuit

CIRCUIT DESCRIPTION

The jam protection pulse sensor, built in the power window motor, outputs a ON/OFF pulse when the motor
rotates.

WIRING DIAGRAM

DI1QD–07

DI–1842

–

DIAGNOSTICS

PASSENGER DOOR CONTROL SYSTEM

2036

INSPECTION PROCEDURE

1

Check the jam protection pulse sensor circuit using DTC check (See page 

DI–1904

).

CHECK:
Check if DTC B1234 of the multiplex communication system is output.
OK:

DTC is not output.

OK

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

DI–1818

).

NG

2

Check jam protection pulse sensor (See page 

BE–69

).

NG

Replace the power window motor.

OK

3

Check wire harness and connector between jam protection pulse sensor 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

).