Toyota Sequoia (2005). Manual - part 468

DI274–08

I28411

Ignition Switch

Instrument Panel J/B

 ECU–IG Fuse

 SUN ROOF Fuse

Sliding Roof Gear Assembly

 Sliding Roof ECU

 Sliding Roof Motor

Sliding Roof Control Switch

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1667

1861

PARTS LOCATION

DI277–14

I18700

J8
J/C

B–R

2

L–W

IG

Instrument Panel J/B

I18
Ignition SW

1

IG1

AM1

B–Y

4

1C

6

1C

AM1

1

2

ECU–IG

SUN ROOF

1

1M

5

1M

1

1L

8

5

B

W–L

B

5

8

ALT

F10
Fusible Link Block

W

Instrument Panel J/B

W–B

W–B

7

1M

10
1F

IE

Battery

7

A

S19
Sliding Roof
Control ECU

E

DI–1668

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1862

CIRCUIT INSPECTION

Power Source Circuit

CIRCUIT DESCRIPTION

This circuit provides power to operate the sliding roof control ECU.

WIRING DIAGRAM

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1669

1863

INSPECTION PROCEDURE

HINT:
If not using the hand–held tester, start from STEP 2.

1

Perform active test.

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 ACTIVE TEST mode on the hand–held tester.

CHECK:
Check that ”Sliding roof motor” operates as the hand–held tester directs.
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.
HINT:
With one ACTIVE direction, the sliding roof can be slid and tilted continuously.
OK:

The slide roof operates normally.

OK

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

DI–1664

).

NG

DI–1670

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1864

2

Check voltage between terminals B, IG and GND of sliding roof control ECU con-
nector.

PREPARATION:
Turn ignition switch ON.
CHECK:
Measure voltage between terminals IG and GND.
OK:

Voltage: 10 to 14 V

PREPARATION:
(a)

Turn ignition switch OFF.

(b)

Disconnect the sliding roof control ECU connector.

CHECK:
Measure voltage between terminals B and GND.
OK:

Voltage: 10 to 14 V

OK

Proceed to next circuit inspection shown on
problem symptom table (See page 

DI–1664

).

NG

Repair or replace wire harness and connec-
tor.