Toyota Sequoia (2005). Manual - part 943

I21798

AC3H4–02

AC–34

–

AIR CONDITIONING

HEATER UNIT

3761

DISASSEMBLY

1.

REMOVE HEATER RADIATOR

(a)

Remove the 3 screws and 3 clamps.

(b)

Pull out the heater radiator.

(c)

Remove the 2 screws and 2 clips, then disconnect the
heater radiator pipes.

2.

REMOVE AIR VENT DUCT

Remove the 3 screws and duct.
3.

REMOVE AIR OUTLET SERVOMOTOR

Remove the 3 screws and servomotor.
4.

REMOVE AIR MIX SERVOMOTOR

Remove the 3 screws and servomotor.
5.

REMOVE ASPIRATOR HOSE

AC3H5–02

I22635

FACE

B/L

FOOT

F/D

DEF

2

1

8

7

6

5

4

–

AIR CONDITIONING

HEATER UNIT

AC–35

3762

INSPECTION

1.

INSPECT FINS FOR BLOCKAGE

If the fins are clogged, clean them with compressed air.

2.

INSPECT AIR OUTLET SERVOMOTOR OPERATION

(a)

Connect the positive (+) lead from the battery to terminal
2 and the negative (–) lead to terminal 1.

(b)

Connect the negative (–) lead from the battery to each ter-
minal and check that the shaft rotates at each position, as
shown in the illustration.

Connected terminal

Position

4

DEF

5

F/D

6

FOOT

7

B/L

8

FACE

AC3H6–01

AC–36

–

AIR CONDITIONING

HEATER UNIT

3763

REASSEMBLY

Reassembly is in the reverse order of disassembly (See page 

AC–34

).

AC3H7–01

–

AIR CONDITIONING

HEATER UNIT

AC–37

3764

INSTALLATION

Installation is in the reverse order of removal (See page 

AC–33

).