Toyota Sequoia (2005). Manual - part 470

Limit
Switch 
No. 1

Sliding
Roof
Status

Fully
Opened

Sliding

Fully
Closed

Tilting

Limit
Switch 
No. 2

250 mm point from fully
opened position

About 10 mm

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1675

1869

Sliding Roof Pulse Plate Circuit

WIRING DIAGRAM

See page 

DI–1668

.

INSPECTION PROCEDURE

HINT:
If not using the hand–held tester, start from STEP 3.

1

Check sliding roof pulse plate operation.

PREPARATION:
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn ignition switch ON and hand–held tester main switch ON.

(c)

Select the DATA LIST mode on the hand–held tester.

CHECK:
(a)

Operate the sliding roof.

(b)

At this time, check that status (ON/OFF) of limit switch 1 and  limit switch 2 changes on the hand–held
tester screen as shown in the chart below.

SLIDE ROOF:

Item

Measurement Item/

Display (Range)

Normal condition

Diagnostic Note

LIMIT SW 1

Position SW NO.1/

ON or OFF

ON: 250 mm point from fully opened position

OFF: Sliding roof fully closed position

–

LIMIT SW 2

Position SW NO.2/

ON or OFF

ON: Sliding roof fully closed position

OFF: Sliding roof except fully closed position

–

OK:

NG

Replace sliding roof gear assembly.

OK

DI279–11

DI–1676

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1870

2

Check sliding roof motor status.

PREPARATION:
Connect the hand–held tester to the DLC3.
(a)

Enter into ACTIVE TEST mode of hand–held tester.

CHECK:
(a)

Check that ”Sliding roof motor” operates as the hand–held tester directs.

(b)

At this time, check that motor status changes on the screen of the hand–held tester as the sliding roof
switch of the vehicle is turned.

SLIDE ROOF:

Item

Test Details

Diagnostic Note

SLIDE ROOF

Sliding roof CLOS/UP – OPN/DWN

During this ACTIVE TEST, jam protection caught

detection can be monitored.

NOTICE:
Caution is necessary for a part of body not to be caught in as the jam protection system does not
operate during conducting ACTIVE TEST.
OK:

The motor operates normally.

NG

Replace sliding roof gear assembly.

OK

Go to step NO TAG.

CLOSE/UP
(OPEN/DOWN)
SWITCH

ON

OFF

Close
(Down)

Roof Operation

Stop

Forced Operation

Reverse

Stop

Close (Down)

Close Position

Approx. 10 sec.

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1677

1871

3

Perform forced operation.

Operate the sliding roof control switch in the CLOSE/UP direction. The jam protection function starts to oper-
ate and reverses. Keeping the CLOSE/UP direction further some 10 seconds restricts the jam protection
function forcibly and begins manual operation.
HINT:
To conduct the sliding roof alignment, restricting the jam protection function is required.

NEXT

4

Check sliding roof glass alignment (Mechanical malfunction) 
(See page 

IN–35

).

NG

Adjust sliding roof (See page 

BO–82

).

OK

Replace sliding roof gear assembly.

DID97–01

DI–1678

–

DIAGNOSTICS

BODY CONTROL SYSTEM

1872

BODY CONTROL SYSTEM

PRECAUTION

NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.

System Name

See Page

Back Door Power Window Control System

BE–77