Page 3449 of 4323
I24334
Turn Signal Flasher Relay
Connector Front View:
I28728
10
19
± BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
BE±37
3441 Author: Date:
2005 SEQUOIA (RM1146U)
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 connectionConditionSpecified condition
2 ± GroundTurn signal switch RIGHTBattery positive voltage e 0 V
3 ± GroundTurn signal switch LEFTBattery positive voltage e 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.
Page 3450 of 4323
BE175±06
I28405
Door Courtesy Light SwitchBack Door Courtesy Light Switch
Engine Room J/B
DOME Fuse
Instrument Panel J/B
Door Courtesy Light Switch
BE±38
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
3442 Author: Date:
2005 SEQUOIA (RM1146U)
INTERIOR LIGHT SYSTEM
LOCATION
Page 3451 of 4323
I18593
Front Personal Light
Rear Interior Light Vanity Light
Door Courtesy Light
Front Personal Light
Luggage Room Light
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE±39
3443 Author: Date:
2005 SEQUOIA (RM1146U)
Page 3452 of 4323

BE2MS±01
I18639
39
13
Front Personal Light Switch
I18755
1 3
Front Personal
Light Switch
I18563
31
Rear Interior Light Switch
I18564
2
3
I28729
31
BE±40
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
3444 Author: Date:
2005 SEQUOIA (RM1146U)
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.
Page 3453 of 4323

I28730
32
N08313
2
N08314
1
2
N20159
ON
OFFOhmmeter
I04056
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE±41
3445 Author: Date:
2005 SEQUOIA (RM1146U)
(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.
5. INSPECT LUGGAGE ROOM LIGHT SWITCH CONTI-
NUITY
(a) Disconnect the connector from the interior light assembly.
(b) Turn the interior light switch ON, check that continuity ex-
ists between terminal 2 and body ground.
If continuity is not as specified, replace the light assembly or
bulb.
(c) Turn the interior light switch to DOOR, check that continu-
ity exists between terminals 1 and 2.
If continuity is not as specified, replace the light assembly or
bulb.
6. INSPECT DOOR COURTESY LIGHT SWITCH CONTI-
NUITY
(a) Check that continuity exists between terminals and the
switch body with the switch ON (switch pin released:
opened door).
(b) Check that no continuity exists between terminals and the
switch body with the switch OFF (switch pin pushed in:
closed door).
If continuity is not as specified, replace the switch.
7. INSPECT DOOR COURTESY LIGHT CONTINUITY
Check that continuity exists between terminals.
If continuity is not as specified, replace the light assembly or
bulb.
Page 3454 of 4323
I18562
I18561
BE±42
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
3446 Author: Date:
2005 SEQUOIA (RM1146U)
8. INSPECT VANITY LIGHT CONTINUITY
Switch positionTester connectionSpecified condition
OFF (Closed)1 ± 2No continuity
ON (Opened)1 ± 2Continuity
If continuity is not as specified, replace the bulb or vanity light.
9. INSPECT BACK DOOR COURTESY LIGHT SWITCH
CONTINUITY
Switch positionTester connectionSpecified condition
OFF (Closed)1 ± 2No continuity
ON (Opened)1 ± 2Continuity
If continuity is not as specified, replace the switch.
Page 3455 of 4323
BE037±08
I28407
Instrument Panel J/B
Back±Up Light Relay
Ignition Switch
Rear Combination Light
Back±Up Light
± BODY ELECTRICALBACK±UP LIGHT SYSTEM
BE±43
3447 Author: Date:
2005 SEQUOIA (RM1146U)
BACK±UP LIGHT SYSTEM
LOCATION
Page 3456 of 4323
I25492
Park/neutral Postion Switch
BE±44
± BODY ELECTRICALBACK±UP LIGHT SYSTEM
3448 Author: Date:
2005 SEQUOIA (RM1146U)