Toyota Sequoia (2005). Manual - part 467

DI273–05

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1663

1857

CUSTOMER PROBLEM ANALYSIS CHECK

SLIDING ROOF CONTROL SYSTEM Check Sheet

Inspector’s name:

Customer’s Name

VIN

Production Date

Licence Plate No.

Odometer Reading

             /               /

km
mile

Weather Conditions
When Problem
Occurred

Frequency Problem Occurs

Weather

Outdoor temperature

                              /                                /

 Constant       

 Sometimes (      Times per   day, month)

 Once only

Brought in

 Sliding roof control system does not operate.

 Fine             

 Cloudy             

 Rainy             

 Snowy

 Various/Others

 Hot        

 Warm         

 Cool

 Cold (Approx.          

°

F (    

°

C))

Problem

Symptom

 Sliding roof operates abnormally or stops half way.

 Jam protection system does not operate.

DI276–09

DI–1664

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1858

PROBLEM SYMPTOMS TABLE

Symptom

Suspect Area

See page

Sliding roof control system does not operate.

1. SUN ROOF Fuse

2. ECU–IG Fuse

3. Power Source Circuit

4. Sliding Roof Control Switch Circuit

BE–14

BE–14

DI–1668

DI–1671

Sliding roof operates abnormally or stops half way.

Sliding Roof Pulse Plate Circuit

DI–1675

Jam protection system does not operate.

Sliding Roof Pulse Plate Circuit

DI–1675

DI275–12

I04611

S19

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

DI–1665

1859

TERMINALS OF ECU

Symbols (Terminals No.)

Wiring Color

Condition

Specified Condition

MPX1 

↔

 – (S19 – 2 

↔

 –)

G–O 

↔

 –

Multiplex communication circuit

–

DWN 

↔

 E

(S19 – 3 

↔

 S19 – 7)

R–W 

↔

 W–B

Ignition switch ON 

→

 Sliding roof control switch TILT DOWN

10 to 14 V 

→

 

Below 1 V

UP 

↔

 E

(S19 – 4 

↔

 S19 – 7)

R–Y 

↔

 W–B

Ignition switch ON 

→

 Sliding roof control switch TILT UP

10 to 14 V 

→

 

Below 1 V

B 

↔

 E

(S19 – 5 

↔

 S19 – 7)

L–W 

↔

 W–B

Always

10 to 14 V

E 

↔

 Body ground

(S19 – 7 

↔

 Body ground)

W–B 

↔

 Body

ground

Always

Below 1 V

IG 

↔

 E

(S19 – 8 

↔

 S19 – 7)

B–R 

↔

 W–B

Ignition switch ON 

→

 Ignition switch OFF or ACC

10 to 14 V 

→

 

Below 1 V

OPN 

↔

 E

(S19 – 9 

↔

 S19 – 7)

P–B 

↔

 W–B

Ignition switch ON 

→

 Sliding roof control switch OPEN

10 to 14 V 

→

 

Below 1 V

CLS 

↔

 E

(S19 – 10 

↔

 S19 – 7)

G–Y 

↔

 W–B

Ignition switch ON 

→

 Sliding roof control switch CLOSE

10 to 14 V 

→

 

Below 1 V

DID4Z–01

DI–1666

–

DIAGNOSTICS

SLIDING ROOF SYSTEM

1860

DATA LIST / ACTIVE TEST

1.

DATA LIST

HINT:
According to the DATA LIST displayed by the hand–held tester, you can read the value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one
of the method to shorten the labor time.
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON.

(c)

According to the display on tester, read the ”DATA LIST”.

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

–

OPEN SW

Sliding roof open SW

signal/ON or OFF

ON: Sliding roof is open

OFF: Sliding roof is close

–

CLOSE SW

Sliding roof close SW

signal/ON or OFF

ON: Sliding roof is close

OFF: Sliding roof is open

–

UP SW

Sliding roof up SW sig-

nal/ON or OFF

ON: Sliding roof is up

OFF: Sliding roof is down

–

DOWN SW

Sliding roof down SW

signal/ON or OFF

ON: Sliding roof is down

OFF: Sliding roof is up

–

IG (DIRCT)

Ignition SW (Direct

signal)/ON or OFF

ON: Ignition switch to on

OFF: Ignition switch to off

–

IG (MPX)

Ignition SW (MPX)/ON

or OFF

ON: Ignition switch to on

OFF: Ignition switch to off

–

2.

ACTIVE TEST

HINT:
Performing the ACTIVE TEST using the hand–held tester allows the relay, VSV, actuator and so on to oper-
ate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the meth-
od to shorten the labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON.

(c)

According to the display on tester, perform the ”ACTIVE TEST”.

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.