Toyota Sequoia (2005). Manual - part 863

I24334

Turn Signal Flasher Relay 
Connector Front View:

I28728

10

19

–

BODY ELECTRICAL

TURN SIGNAL AND HAZARD WARNING SYSTEM

BE–37

3441

3.

Connector connected:
INSPECT TURN SIGNAL FLASHER RELAY OPERA-
TION

Connect the wire harness side connector to the turn signal
flasher and inspect the connector from the back side, as shown.

Tester connection

Condition

Specified condition

2 – Ground

Turn signal switch RIGHT

Battery positive voltage 

↔

 0 V

3 – Ground

Turn signal switch LEFT

Battery positive voltage 

↔

 0 V

If operation is not as specified, replace the relay.

4.

INSPECT HAZARD WARNING SWITCH CONTINUITY

(a)

Remove the center cluster finish panel.

(b)

Disconnect the connector from the integrated center clus-
ter.

(c)

Check that continuity exists between terminals 19 and 10
with the switch ON.

(d)

Check that no continuity exists between terminals 19 and
10 with the switch OFF.

If continuity is not as specified, replace the switch.

BE175–06

I28405

Door Courtesy Light Switch

Back Door Courtesy Light Switch

Engine Room J/B

 DOME Fuse

Instrument Panel J/B

Door Courtesy Light Switch

BE–38

–

BODY ELECTRICAL

INTERIOR LIGHT SYSTEM

3442

INTERIOR LIGHT SYSTEM

LOCATION

I18593

Front Personal Light

Rear Interior Light

Vanity Light

Door Courtesy Light

Front Personal Light

Luggage Room Light

–

BODY ELECTRICAL

INTERIOR LIGHT SYSTEM

BE–39

3443

BE2MS–01

I18639

3

9

13

Front Personal Light Switch

I18755

1

3

Front Personal 
Light Switch

I18563

3

1

Rear Interior Light Switch

I18564

2

3

I28729

3

1

BE–40

–

BODY ELECTRICAL

INTERIOR LIGHT SYSTEM

3444

INSPECTION

1.

w/o Sliding Roof:
INSPECT FRONT PERSONAL LIGHT SWITCH CONTI-
NUITY

(a)

Disconnect the connector from the personal light.

(b)

Push the personal light switch ON, check that continuity
exists between terminal 9 and terminal 13.

If continuity is not as specified, replace the light assembly or
bulb.

2.

w/ Sliding Roof:
INSPECT FRONT PERSONAL LIGHT SWITCH CONTI-
NUITY

(a)

Disconnect the connector from the personal light.

(b)

Push the personal light switch ON, check that continuity
exists between terminal 1 and terminal 3.

If continuity is not as specified, replace the light assembly or
bulb.

3.

w/o RSE or RSA:
INSPECT REAR INTERIOR LIGHT SWITCH CONTINU-
ITY

(a)

Disconnect the connector from the doom light.

(b)

Push the rear interior light switch ON, check that continu-
ity exists between terminal 1 and terminal 3.

If continuity is not as specified, replace the light assembly or
bulb.

(c)

Turn the light switch to DOOR, check that continuity exists
between terminals 2 and 3.

If continuity is not as specified, replace the light assembly or
bulb.

4.

w/ RSE or RSA:
INSPECT REAR INTERIOR LIGHT SWITCH CONTINU-
ITY

(a)

Disconnect the connector from the rear interior light.

(b)

Push the rear interior light switch ON, check that continu-
ity exists between terminal 1 and terminal 3.

If continuity is not as specified, replace the light assembly or
bulb.