2001 TOYOTA SEQUOIA heater

I07872
AC3HY±02
AC±106± AIR CONDITIONINGAIR CONDITIONER CONTROL ASSEMBLY (Center
Cluster Integration)
3833 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
INSPECT BULB
Set the tester as shown in the illustration to check for continuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.

AC3I2±02
I21439
Heater Control Assembly
Heater Control Housing
Bulb
Bulb
A/C Amplifier
and PC Board
Packing
Panel
± AIR CONDITIONINGREAR A/C CONTROL ASSEMBLY (for Rear A/C)
AC±109
3836 Author: Date:
2005 SEQUOIA (RM1146U)
REAR A/C CONTROL ASSEMBLY (for Rear A/C)
COMPONENTS

I21438
AC3I3±02
AC±110
± AIR CONDITIONINGREAR A/C CONTROL ASSEMBLY (for Rear A/C)
3837 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
REMOVE HEATER CONTROL ASSEMBLY
Using a screwdriver, release the 2 claws and pull out the control
switch assembly, then disconnect the connector.
HINT:
Tape the screwdriver tip before use.

I21440
AC3I4±02
I21442
I21443
I22617
± AIR CONDITIONINGREAR A/C CONTROL ASSEMBLY (for Rear A/C)
AC±111
3838 Author: Date:
2005 SEQUOIA (RM1146U)
DISASSEMBLY
REMOVE A/C AMPLIFIER
(a) Remove the 2 screws and heater control switch.
(b) Remove the 4 screws, A/C amplifier and PC board.
(c) Remove the 3 bulbs from the PC board.
(d) Remove the bulb from the A/C amplifier.

I07872
AC3I5±02
AC±112
± AIR CONDITIONINGREAR A/C CONTROL ASSEMBLY (for Rear A/C)
3839 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
INSPECT BULB
Set the tester as shown in the illustration to check for continuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.

05_SEQUOIA_U (L/O 0408)
2
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
1. Side vents
2. Instrument cluster
3. Center vents
4. Multi±information display
5. Personal lights
6. Garage door opener box or auxiliary
box
7. Electric moon roof switches
8. Side defroster outlet
9. Glove box
10. Power door lock switches
11. Power window switches
12. Power outlets
13. Seat heater switches
14. Rear console box
15. Rear air conditioning controls
16. Headphone input jacks and headphone
volume control dials
17. Input terminal adapter
18. Cup holders
19. Power rear view mirror control switches
20. Lower vent
Instrument panel overview

View A

05_SEQUOIA_U (L/O 0408)
43
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
OPERATION OF INSTRUMENTS AND
CONTROLS
Occupant restraint systems
Seats44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front seats44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear seats48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head restraints66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Armrests69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat heaters70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving position memory system71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat belts72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS driver airbag and front passenger airbag86 . . . . . . . . . . . . . . . . . . .
SRS side airbags and curtain shield airbags93 . . . . . . . . . . . . . . . . . . . .
Front passenger occupant classification system102 . . . . . . . . . . . . . . .
Roll sensing of curtain shield airbags off switch106 . . . . . . . . . . . . . . . .
Child restraint107 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1± 3

05_SEQUOIA_U (L/O 0408)
70
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
To turn on the seat heater, push the
switches (ªLº switch for the driver 's
seat and ªRº switch for the front pas-
senger 's seat).
At this time, the indicator light will illumi-
nate to indicate the seat heater is operat-
ing.
The seat heater switches have the follow-
ing positions.
ªHIºÐHigh heating temperature
ªLOºÐLow heating temperature
The key must be in the ªONº position to
operate seat heaters.
Pushing lightly on the opposite side will
turn it off.
CAUTION
Occupants must use caution when op-
erating the seat heater because it
may make them feel too hot or cause
burns at low temperatures (erythema,
varicella). Use extra caution for;

Babies, small children, elderly per-
sons, sick persons or persons with
physical disabilities

Persons who have delicate skin

Persons who are exhausted

Person who have taken alcohol or
drugs which induce sleep (sleeping
drug, cold remedy, etc.)
To prevent the seat overheating, do
not use the seat heater with a blan-
ket, cushion, or other insulating ob-
jects which cover the seat.
NOTICE

Do not put unevenly weighed ob-
jects on the seat and do not stick
sharp objects (needles, nails, etc.)
into the seat.

When cleaning the seats, do not
use organic substances (paint thin-
ner, benzine, alcohol, gasoline,
etc.). They may damage the heater
and seat surface.

To prevent the battery from being
discharge, turn the switch off when
the engine is not running.
Seat heaters