TOYOTA AVENSIS 2003 Service Repair Manual (2234 Pages), Page 2100: 502AVENSIS (EWD526E) Air Conditioner (Automat ...

502AVENSIS (EWD526E)
Air Conditioner (Automatic A/C) and
10A
HTR
HTR
Relay
3
+B
4
VM
12
GND SI
2
A
1
1 3
2
6
2
A
M
1
2
IJ IK
DF
4DF 2DA34
DC
6DB 5
DP
2 2
1
40A
HTR
From Power Source System
(
See Page 120 )
1
IE1
11
IE2
18 IK2
3 IK2
2
CHCHCHCH
D
FD F
CJ
9 CB
1
IL CK
12
R–W
( LHD )
R–W R–W
( RHD )
(
RHD )
R
G–Y
GR–R R
R–Y
( ∗ 1 )
(
∗ 1 )
R–W
R–W
R–W R–W R–W
R–W R–W
R–W
R–W
R–W
R–W R–W
( RHD )
( LHD ∗1 )
( LHD )(
RHD ∗1 )
(
RHD ∗1 )(
RHD ∗1 )
(
LHD )
(
RHD )
L
( LHD ∗1 )
(RHD )
( RHD )
R–W
( RHD )
G–Y
( ∗ 1 )
W–B
( ∗ 1 )
R–Y
( ∗ 1 ) R–B
( ∗ 1 ) R–W
( ∗ 1 )
L–B
W–B
W–B L–B GR–R
B
B–W
R
R
Junction
ConnectorJ2 6 (
C )
, J27 (
D )
1
4
23
5
Blower Motor
ControllerB 5
Blower MotorB 4
C 3
P 5
L–B
EIN
IG
I 6
C 4
IJ2
2
IJ2
1
L
L–B
IJ2
4
W–BIJ2 3
Junction
ConnectorJ1 6A
W–B
( ∗ 1 )
W–B
( RHD )
Junction
ConnectorJ1 5
W–B
( RHD ) RA
Compressor Assembly
Power Heater SW
Condenser Assembly
AVENSIS (EWD526E)
503
Power Heater (Hot Gas Type Automatic A/C)
A1 5
(
A )
, A16 (
B )A/C Control Assembly
IG
HR BLW
∗
1 : 1CD–FTV w/ Power Heater (
Hot Gas Type )
SOL+ HOTGASIN MGV
3
REC FRS 2
1 +
REC FRS
CE
2 CE
6
A
8B 11 A 7B17 B5
B
12 A 5A6
R
GR–R R–Y
G–Y R
( ∗ 1 )
(
∗ 1 )
R–W
R–W
( RHD )
(
RHD )
R–W
( LHD )
R–W
( RHD )
R
G–Y
GR–R R
R–Y
( ∗ 1 )
(
∗ 1 )
P–B
R–Y R–W
R–W
R–W
( RHD )
(
LHD )(
LHD)
Air Inlet Control
Servo Motor
A2 1
A1 9
A/C Thermistor B
B–W
W–R
W–G
16 A 10 B
P 4
B–W
1
4DC 17 A
19 A
1
2
SG–4TE
PBKIG CFAN
FAN NO. 3 RelayDC
2 SG–5
TR
2
1 B6
B
22
GR
G
A/C Room Temp.
Sensor
A1 7
24 B 7. 5A
ECU–B 2
2
1
W–R
+B
CF
7 CC
10
From Power Source System
(
See Page 120 )
6
7. 5A
DEF I/UP
6
1
2
W–R
4B
RDEFIN
G–W
W–B
( RHD ) W–B
( RHD )
(
Gasoline )
Parking Brake SW
504
AVENSIS (EWD526E)
Air Conditioner (Automatic A/C) and
B
B
72 1
G–W
BR–W
16 M
A1 5
(
A )
, A16 (
B )A/C Control Assembly
12
W–B
(
RHD )
W–B
345
AOF
TPM AOD
S5–3
SG–3
7 S5 1
SG–2 S5–2 AMDC TPD AMDH
18 B 24
5
3
3CG
A1 8A/C Solar Sensor
GR–RLG–B L–B
Y–R
FACE
PT DEF
VZ
GND
TSP
23
Y–B
TSD
B
MAX
HOT
MAX
COOL
PT
VZ
GND
GR
B
M
P–L
S5–4
A2 5
6CA
13 B
GND
W–B
Junction
ConnectorJ1 7A
Air Vent Mode Control Servo Motor
PRE
SG
2
1
3
IE2
W–B
IP
(
RHD )
( LHD )
A 3
A4A3
B
14
A
15 B19 12 A
A
11
B8B2A
14
B
9B
1
15
B–W
G–W L–W
L–W
G–W
L
LG O LGL
IE2
8IE2 17 IF1 1IF12IF13
B–W
O
Air Mix Control Servo Motor
(Driver Side )A2 3
CK
6
W–B
W–B
W–B
( RHD ) A
A/C Pressure Sensor
AVENSIS (EWD526E) 505
Power Heater (Hot Gas Type Automatic A/C)
5IQ1
4IQ1
3IQ1
1IQ1
2
MPX+
IQ1
13 A 1 B 20 B 1 A 2 A( LHD ) Y V
V R
R
M
W
W
GND VZPTMAX
COOL MAX
HOT
R
5
4
3
1
2 (
RHD )
Y Y
MPX–
(
LHD )
V
( RHD )(
RHD)
W P
P
SG–1 S5–1 AMPC
20 A A
10 TPP
AMPH
(
RHD )(
RHD)
(
LHD )
4
5
3
2
1
P
P–B
1
E 9(
A )
, E10 (
B )
IC1
MPX2
MPX2
P–B
P–B
MPX1
B
18 (
1AZ–FSE )
A
23 (
∗ 2 )
A
21 (
1CD–FTV )
11
P
22I14
MPX1IC1
10 (
LHD )
P
( RHD )
P
(RHD )
(
RHD )
(
RHD )
(
RHD )(
RHD)
( LHD )
(
LHD )
A/C Control AssemblyA1 5(
A )
, A16 (
B )
A2 4
B
20 B
FC
FC
HB 7. 5A
DOME
W–R
From Power Source System
(
See Page 120 )
6 DB
7
( RHD )
(
LHD )
FA
W–R
R–W
CA
7
CD
6
R–W
(
RHD )
2
1
P–B
CPU
W–B
(LHD )
W–R
Tachometer
B5
14 A
Speedometer
Temp.
BEAN
I/F 21
W–R
A
11
15 IE1
W
A
12
4IE1
1 2
W–RW
A 1
A
29 (
∗ 2 )
OUT SIDE
TEMP.
ODO/TRIP
W–B
C10 (
A )
, C11 (
B )Combination Meter
Engine ECU (
M/T )
Engine and ECT ECU
(
A/T )
A/C Ambient
Temp. Sensor
J1 0 (
A )
, J11 (
B )
, J26 (
C )Junction Connector
Integration Relay
19 B
16 IE1
L–W
L–W
B
23 (
w/o VSC )
A
35 (
w/ VSC )
SP1 Skid Control ECU
with Actuator
S 1(
A )
, S 2 (
B )
13 A 10A
GAUGE1
B
29 (
1AZ–FSE )
A
20 (
1CD–FTV )
∗
2 : 1AZ–FE, 1ZZ–FE, 3ZZ–FE
Air Mix Control Servo Motor
( Front Passenger Side )
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510AVENSIS (EWD526E)
Air Conditioner (Manual A/C) and
HRIN
10A HTR
3
5
2
1
4
HTR Relay
CCC
A1 3 (
A )
, A14 (
B )A/C Control Assembly A/C Amplifier
40A HTR
From Power Source System
(
See Page 120 )
DF
4DF 2DA34
DP
2DC 6 CE
5
CA
1
A
35
1
R–W
R–W (
RHD )
GR–R
( LHD )
GR–R ( LHD )
GR–R
( RHD )
GR–R
( RHD ) R–W
( RHD )
L
R–W
L–B
W–B
GR–R
( RHD )
GR–R
( LHD )
1
2
Junction
Connector
J2 8
C
(LHD )
(
LHD )
W–B (
∗ 3 )
R–W ( ∗ 1 )
R
L–B
24
3
1
L
HI M2 M1 LO
(
LHD )
W–B
R
L–B
B–W
W–B
IJ1
1IJ1 3I J1
2I J1
4
Blower Resistor
B 6
B1
W–B
GND B4
L
HI B5
M2
B6
M1
I 6 W–B
( RHD )
W–B
( LHD )
M
2 1 Blower
Motor
B 4
IL IK
A
A
Junction
Connector
J1 6
W–B W–B( ∗ 3 )
L
IJ Blower SW
GR–R
( RHD )
GR–R
( RHD )
C2B3
C1 B2
CK
4C G
7
(
LHD )
GR–R (
LHD )
GR–R
DB
5
R–W
( ∗ 1 )
L
W–B( ∗ 3 )
A
Junction
ConnectorJ1 5
AW–B
( RHD )
W–B
( RHD )
AVENSIS (EWD526E) 511
Power Heater (Hot Gas Type Manual A/C)
GND
A
A/C Control AssemblyA1 3
(
A )
, A14 (
B )
CA
6 CG
3
IP A
40 R–W
( RHD )
R–W
(
RHD )
A/C Amplifier
W–B
W–B
( LHD )
W–B (
RHD )
R–W
R–W (
RHD )
W–B
6CK
Junction
ConnectorJ1 7
W–B
R–W
( LHD )
(
LHD )
IG
R
( RHD )
R–W
R–W
2IK2
IK2
3R–W
2
1
G–Y (
∗ 3 )
3
6
2
W–B
IN
(
∗ 1 )
(
∗ 3 )
E
C 4
(
∗ 3 )
R–W
( ∗ 3 )
R–B
IE2
18
1
2 IE1
11
(
RHD )
(
RHD )
R–W
R–W
R–W
FD
FD
HC HC HC
(
RHD )
R–W (
∗ 2 )
CH
A
14 A
17
R–Y
( ∗ 3 )
MGV
SOL+
HOTGASIN A
22
P 5
R
C 3
R–W
( LHD )
(
∗ 2 )
R–W
( RHD )
R–W
Junction
ConnectorJ2 6
(
C )
, J27 (
D )
R–W
( ∗ 1 )
W–B (
∗ 3 )
R–W ( ∗ 1 )
A
31 A39 A
25
2 1 1DC
4
DC
2
Parking Brake SWP 4
A/C ThermistorA1 9B–W B–W
W–G
B
TE
SG–4 PBKIG
∗ 2 : RHD 1CD–FTV Power Heater (
Hot Gas Type )
∗
1 : LHD 1CD–FTV Power Heater (
Hot Gas Type )
∗ 3 : 1CD–FTV Power Heater (
Hot Gas Type )
AW–B
( RHD )
W–B
( LHD )
CG
9
W–B
( LHD )
R–W
( ∗ 2 )
W–B
( RHD )
A
W–B
( RHD )
Condenser Assembly
Power Heater SW Compressor Assembly
512 AVENSIS (EWD526E)
Air Conditioner (Manual A/C) and
12345
SG–3 S5–3 TPM
AODAOF
GND VZPTDEF FACE
M
Air Vent Mode Control Servo MotorA2 5
A
37 A 6A33 A 1213
A
L–B
LG–B
GR–R
BR–W G–W
A
A1 3
(
A )
, A14 (
B )A/C Control Assembly
Y–B
Y–R GR B
P–L
R–W
( ∗ 1 )
R–W
R–W
(
RHD )
( RHD )
R–W
( LHD )
R–W
A2 1Air Inlet Control
Servo Motor
9CJ 12CK 1CB
6CE
2CE
7IE2 8IE2 17IE2
B–W
G–W L–W
5 36A 34A 16A 15A
1A 11A 10A
7A 38A
∗
4 : Power Heater (
Electrical Type )
B–W
G–W R–W
PT
A2 2Air Mix Control Servo Motor
M
MAX
HOT
MAX
COOL
GND
VZ AMH
AMC
TP
SG–2
S5–2
5
4
3
2
1
(
RHD )
A/C Amplifier CFAN
FAN NO. 3 Relay
3
W–R
12
S5 SG PRE
L–W
P–B
R–Y
REC FRS
+
FRS
REC
IG
R–W
23 A
12
3
A
32
R–W
( RHD )
R–W
A 3
(
LHD )
R–W
( LHD ) R–W
( ∗ 1 )
∗
5 : 1AZ–FE, 1ZZ–FE, 3ZZ–FE
W–B
∗
1 : LHD 1CD–FTV Power Heater (
Hot Gas Type )
W–B (
LHD )
(
LHD )
A/C Pressure Sensor
AVENSIS (EWD526E) 513
Power Heater (Hot Gas Type Manual A/C)
4
11
22
A1 3
(
A )
, A14 (
B )A/C Control Assembly
R–W
( ∗ 4 )
( ∗ 4 )
B–W
G–W
( Gasoline )
6
W–R
7. 5A
DEF I/UP
6 From Power Source System
(
See Page 120 )
7. 5A
ECU–B 2
10 CC 7CF
28 A 26 A 20 A 19 A 30 A
H–LP Relay
HRLY
HTR2 Relay (∗ 4 )
PTC2
(
PTCL )
HTR1 Relay
R–Y
PTC1
(PTC )
Alternator
ALT
(
EFII )
Engine ECU (
M/T )
RDEFIN
AA
W–R
RPTC1
(
SIG1 )
+B
A/C Amplifier
(∗ 4 )
(
∗ 4 )
R–W W–L
2
Junction ConnectorJ1 0
(
A )
, J11 (
B )
, J26 (
C )
Integration Relay
A/C Ambient
Temp. Sensor
Combination MeterC10 (
A )
, C11 (
B )
W–B OUT SIDE
TEMP.
ODO/TRIP
A 1
W
W–R
2
1 IE1
4 12 A
W
IE1
15 11 A
W–R
21
BEAN
I/F
Temp.
Speedometer
A
14 A
13
5B
Tachometer W–R
( LHD )
W–B
CPU
P–B
1
2
(
RHD )
R–W
6CD 7CA
R–W W–R
AF
(
LHD )
(RHD ) 7DB
6
W–R
7. 5A
DOME
BH
C
FC F
B
20 B
10 IC1 MPX1
I1422
P
11
P–B P–B
MPX2
IC1
1
P
A
29 MPX– MPX+
P–B
9A
Engine and ECT ECU
(
A/T )
Engine ECU (
M/T )MPX2 MPX1E 9
P
P
19 B
16 IE1
L–W
L–W
B
23 (
w/o VSC )
A
35 (
w/ VSC )
SP1 Skid Control ECU
with Actuator
S 1(
A )
, S 2 (
B )
29
21 (
∗ 5 )
( 1CD–FTV )
20 23
(1CD–FTV )
(
∗ 5 )
10A
GAUGE1
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518AVENSIS (EWD526E)
Heater
HRIN
10A HTR
3
5
2
1
4
HTR Relay
CCC
A1 3 (
A )
, A14 (
B )A/C Control Assembly Heater Amplifier
40A HTR
From Power Source System
(
See Page 120 )
DF
4DF 2D A
34
DP
2D C
6 CE
5
CA
1
A
35
1
R–W
R–W
GR–R
( LHD )
GR–R
( RHD )
GR–R
( RHD ) R–W
( RHD )
L
R–W
L–B
W–B
GR–R
( RHD )
GR–R
( LHD )
1
2
Junction
ConnectorJ2 8
C
(
LHD )
(
LHD )
∗
1 : Power Heater (
Electrical Type )
R
L–B
24
3
1
L
HI M2 M1 LO
R
L–B
B–W
W–B
IJ1
1IJ1 3I J1
2I J1
4
B1
W–B
GND
B4
L
HI B5
M2
B6
M1
I 6 W–B
( RHD )
W–B
( LHD )
M
2 1 Blower
Motor
B 4
IK
A
W–B
L
IJ Blower SW
GR–R
( RHD )
GR–R
( RHD )
C2B3
C1 B2
CK
4C G
7
(
LHD )
GR–R (
LHD )
GR–R
(
RHD )
GR–R ( LHD )
L
Junction
Connector
J1 5
Blower ResistorB 6
AW–B
( RHD )
AVENSIS (EWD526E) 519
GND
ACA
6 CG
3
IP A
40 Heater Amplifier
W–B
( RHD )
W–B
( LHD )
W–B
R–W
R–W
Junction
ConnectorJ1 7
(
LHD )
37
CF
7 CC
10
7. 5A ECU–B 2
6
7. 5A DEF I/UP
W–R
6
(
Gasoline )
G–W
CE
2CE 6CB
1
Air Inlet Control
Servo MotorA2 1
2
2
1
1
4
A
12345
SG–3 S5–3 TPM AODAOF
GND VZPTDEF FACE
M
Air Vent Mode Control Servo MotorA2 5
A
L–B
A
6A 33 A 12 13
LG–B
GR–R
BR–W G–W
1A 11A 10A
R–W
RDEFIN
AA
CFAN
FAN NO. 3 Relay
W–R
W–R
P–B
R–Y
REC FRS
+
+B
FRS
REC
IG 23 A
12
3
R–W
( RHD )
R–W
( LHD )
R–W
( LHD )
2
(
LHD )
A
W–B
( RHD )
W–B
( LHD )
CG
9
(
RHD )
A/C Control Assembly
A1 3 (
A )
, A14 (
B )
R–W
( RHD )
Junction
ConnectorJ2 6
H
H
H
B–W
( ∗ 1 )
(
∗ 1 )
R–W
28 A 26 A
Alternator Engine ECU
(
M/T )
RPTC1
(
SIG1 ) ALT
(
EFII )
From Power Source System
(
See Page 120 )
R–W
( RHD )
W–B
( RHD )
W–B
( LHD )
W–B
( RHD ) A
520
AVENSIS (EWD526E)
Heater
PTC1
(
PTC )
W–L
R–W (
∗ 1 )
( ∗ 1 )
R–Y HTR1 Relay
( ∗ 1 ) HTR2 Relay
HRLY
H–LP Relay
A
E 9
30
A
19
A
20
A
36
5
P–L B
GR
Y–R Y–B
A/C Control AssemblyA1 3
(
A )
, A14 (
B )
A
34A 16A 15A
PTC2
(
PTCL )
∗
2 : 1AZ–FE, 1ZZ–FE, 3ZZ–FE
∗
1 : Power Heater (
Electrical Type )
PT
A2 2Air Mix Control Servo Motor M
MAX
HOT
MAX
COOL
GND
VZ AMH
AMC
TP
SG–2
S5–2
5
4
3
2
1
Heater Amplifier
Integration Relay
P–B
10 IC1MPX1
I1422
P
11
P–B P–B
MPX2
IC1
1
P
P
A
29 MPX– MPX+
P–B
9A
Engine and ECT ECU
(
A/T )
Engine ECU (
M/T )MPX2 MPX1
P
29
21 (
∗ 2 )
( 1CD–FTV )
20 23
(1CD–FTV )
(
∗ 2 )
BEAN
(
EFI )
14
13
BEAN
( BODY )
Combination MeterC10
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