Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 22 systemci 055aacfr
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AUTOMATIC AIR CONDITIONING (FRONT)
FROM POWER SOURCE SYSTEM (SEE PAGE 52)
FUSIBLE LINK BLOCK
50A HTR
10A 10A
HEATER DOME
F8
6
3 1R 12 2J
R- W
R- L
B
19
R- L R- L
IK3
1 IK7
B
B R- L R- L
B J8
JUNCTION 20 3C 9 3C 20 3D 3 1W
CONNECTOR
R- L
B
21 3D 10 1V
4 4
1 3
4 FRONT
R- L
R
HEATER
RELAY
2 5
CONNECTOR
4 4 4 A
JUNCTION
J18
W- B
G- R
B- R
A
R
CONNECTOR
A
JUNCTION
BLOWER MOTOR
J6
2 A
M A33
AIR VENT MODE
CONTROL SERVO MOTOR
B3
1 R- L 7
CONNECTOR
A IG
B- W
B- R
JUNCTION
CONTROLLER (FRONT)
3 4 BR 8
J2
A E
BLOWER MOTOR
+B VM
1 2 3 4 5
GND SI
1 2
B16
B- Y
BR- B
V- W
G- B
G- Y
R- B
R- L
L- B
G- R
B- Y
BR
W- B
W- B
I2
1 C 3 B 2 B 14 A 10 B 11 B 12 B 12 B 11 C 10 C
GND BLW HR FACE B/L FOOT FDEF DEF B IG+
BR
A23 A , A24 B , A25 C
A/C CONTROL ASSEMBLY
IJ ED
2001 SIENNA (EWD420U)
222
R- W
R- L R- L
R- L
NO. 3 RELAY
FROM FAN
8 8
3 1
MG CLT RELAY
R- W
L
4 2
8 8 20 IK3 21 IK3
R- W
R- W
GR
GR
L
2 1
D23 J17
DIODE JUNCTION
(MAGNETIC CLUTCH) CONNECTOR
BR- R C C BR- R BR- R BR- R BR- R
I11 I11 I11
BR- R
C
R- W R- W
BR- R
BR- R
R- L
11 IK5
BR- R
BR- R
15 IK3 1 IL1 15 IG1
BR- R
1
W- L
GR
A/C DUAL PRESSURE SW
BR- R
BR- R
R- W
A/C ROOM TEMP. SENSOR
A/C EVAPORATOR TEMP.
4 2 1
A/C SOLAR SENSOR
2 2 1 2 1
A/C THERMISTOR
TEMP. SENSOR
SENSOR (REAR)
A/C AMBIENT
A3
A22
A28
A11
4 1 1 2 1 2
A34
A27
A2
BR- Y
G- W
W- L
A/C MAGNET CLUTCH
L- O
GR
O
AND LOCK SENSOR
B- R
17 IK3 9 IK3 22 IK3 16 IK3 4 IL1 14 IG1
L- R
BR- Y
G- W
W- L
L- O
GR
O
21 C 15 C 22 C 2 A 8 A 5 A 3 A 4 A
ACON LOCK PSW TAM TR TS TR TE
A23 A , A24 B , A25 C
A/C CONTROL ASSEMBLY
2001 SIENNA (EWD420U)
223
AUTOMATIC AIR CONDITIONING (FRONT)
R- W
R- W
A31 A32 H8 E9 B
AIR INLET CONTROL AIR MIX CONTROL HEATER BLOWER SW ENGINE CONTROL
SERVO MOTOR SERVO MOTOR (FRONT) MODULE 6 B
ACMG
SG S5 TPI MFRS MRS SG S5 TP MH MC AUTO HI E TACH A/C THWO
1 2 3 4 5 1 2 3 4 5 5
GR- G 1 8 27 B 7 B 14 B
GR- R
GR- B
BR- R
BR- R
LG- R
GR- L
LG- B
R- W
R- W
V- G
V- R
B- Y
W
R
Y
BR- R BR- R
I11 I11
R- W R- W
I11 I11
R- W
JUNCTION CONNECTOR
JUNCTION CONNECTOR
E C
FROM DEFOGGER RELAY
E C
FROM SPEEDOMETER
J17
J7
[COMB. METER]
GR- G
GR- R
GR- B
BR- R
LG- R
GR- L
LG- B
R- W
Y- G
V- G
V- R
V- Y
B- Y
W
R
Y
14 C 2 C 7 A 4 C 5 C 12 C 1 A 6 A 7 C 6 C 8 B 9 B 18 B 13 C 1 B 16 C
SPD D TPI AIF AIR SG S5 TPD MH MC RRAT RRON RG TACO AC1 TW
A23 A , A24 B , A25 C
A/C CONTROL ASSEMBLY
2001 SIENNA (EWD420U)
224
SERVICE HINTS
A25 (C) A/C CONTROL ASSEMBLY
11-GROUND : Always approx. 12 volts
10-GROUND : Approx. 12 volts with the ignition SW at ON position
1-GROUND : Always continuity
: PARTS LOCATION
Code See Page Code See Page Code See Page
A2 32 A31 34 H8 34
A3 32 A32 34 J2 35
A11 34 A33 34 J6 35
A22 32 A34 36 J7 35
A23 A 34 B3 34 J8 35
A24 B 34 B16 34 J17 35
A25 C 34 D23 32 J18 35
A27 34 E9 B 34
A28 34 F8 32
: RELAY BLOCKS
Code See Page Relay Blocks (Relay Block Location)
4 29 Passenger Side R/B No.4 (Front Side the Blower Motor)
8 30 R/B No.8 (Engine Compartment Right)
,,, : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
,,,
,,,
Code See Page Junction Block and Wire Harness (Connector Location)
1R
1V 22 Cowl Wire and Driver Side J/B No.1 (Lower Finish Panel)
( )
1W
2J 24 Cowl Wire and Engine Room J/B No.2 (Engine Compartment Left)
3C
26 Cowl Wire and J/B No 3 (Behind the Combination Meter)
No.3
3D
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IG1 42 Instrument Panel Wire and Cowl Wire (Behind the Combination Meter)
IK3
IK5 44 Engine Room Main Wire and Cowl Wire ( g Cowl Side Panel)
g (Right )
IK7
IL1 44 Roof Wire and Cowl Wire (The Back Side of the Lower Finish Panel)
: GROUND POINTS
Code See Page Ground Points Location
ED 40 Near the Left Front Suspension Support
IJ 42 Right Cowl Side Panel
: SPLICE POINTS
Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points
I2 44 Cowl Wire I11 44 Cowl Wire
2001 SIENNA (EWD420U)
225
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