2006 ACURA CSX diagram

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Evaporative Emission (EVAP) Control Diagram
11-45
ATMOSPHERE
ATMOSPHERE
FUEL FILL
CAP FUEL TANK VAPOR
RECIRCULATION
TUBE
FUEL TANK VAPOR
CONTROL VALVE
VARIOUS
SENSORS
FUEL TANK FTP SENSOR
EVAP CANISTER
VENT SHUT VALVE
PUR
LT GRN
ECM/PCM BLK
YEL
YEL/BLU
BLK/YEL RED
BLU BLK
LT GRN
From
No. 3
ALTERNATOR
(10 A) FUSE
From
PGM-FI
SUBRELAY
EVAP
CANISTER
EVAP CANISTER
PURGE VALVE ATMOSPHERE
The EVAP controls minimize the amount of fuel vapor escaping into the atmosphere. Vapor from the fuel tank is
temporarily stored in the EVAP canister until it can be purged from the canister into the engine and burned.
The EVAP canister is purged by drawing fresh air through it and into a port on the intake manifold.
The purging vacuum is controlled by the EVAP canister purge valve, which operates whenever engine coolant
temperature is above 60 °C (140 °F).
(cont’d)
* : This illustration shows K20Z2 engine
08/08/21 14:13:44 61SNR030_110_0045
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ECM/PCM Circuit Diagram (K20Z2 engine)
11-46Fuel and Emissions Systems
System Description (cont’d)
YEL/BLK YEL/BLK
YEL/BLK
YEL/BLK
YEL/BLK
YEL/BLK BRN/YEL
BRN/YEL
G101 3
1 2
3
1 2
YEL
BLU RED BRN
YEL/BLK24P JUNCTION
CONNECTOR
A
BLU/YEL
GRN
C8
C6
C7C5
C31
C32 INJ4
INJ2
INJ3INJ1
CMPB
CKP 18 20
19
2423
22 21
ECM/PCM
KBLU/WHT
3
1
2
BLU/WHT BLK/YEL
BRN/YEL
C41
CMPA
AF*3
*4
5V
No. 1 INJECTOR
No. 2 INJECTOR
No. 3 INJECTOR
No. 4 INJECTOR
CMP SENSOR A
CKP SENSOR CMP SENSOR B 1
2
1
2
1
2
1
2
*3: ’06 model
*4: ’07-09 models
08/08/21 14:13:44 61SNR030_110_0046
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DYNOMITE -2009-

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ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-48Fuel and Emissions Systems
System Description (cont’d)
1
2
3
BLK/YEL
4
GRN/BLK
5
RED/YEL
B30
VG
RED/BLK
B32
VG BLK/BLU
G
B33
SG2 GRN/BLK
B31
IAT RED/YEL F
N *1
ECT SENSOR 1
B23
ECT1
RED/WHT GRN/BLK
RED/WHT
B36
PG1 BLK
B1
PG2 BLK/RED
(BLK)*4
C2
PGMETCS BLK
G101
3
A39
BKSWNC BRN Brake pedal pressed: closed
Brake pedal released: open
Brake pedal pressed: open
Brake pedal released: closed
4
YEL 1
WHT 2
LT GRN
SU T BRAKE PEDAL
POSITION SWITCH
LT BLU Clutch pedal pressed: open
Clutch pedal released: closed
CLUTCH PEDAL
POSITION SWITCH
A41
CRMTCLS
3 2
G401 BLK
*2 C40
LG1
BRN/YEL
C44
LG2 BRN/YEL
G101D
IJ
H
18
1920 BRN
BRN
BRN/YEL C101
AF
AG
BRN/
YEL BRN/
YEL
21
*4
*3*4 1 2
MAF
SENSOR
IAT
SENSOR
6 5
*1: A/T
*2: M/T
*3: ’06 model
*4: ’07-09 models
08/08/21 14:13:46 61SNR030_110_0048
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Î
ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-50Fuel and Emissions Systems
System Description (cont’d)
ATF TEMPERATURE
SENSOR
N
WHT
WHT
SHIFT SOLENOID
VALVE A
BLU
SHIFT SOLENOID
VALVE B
ORN
GRN/BLK
6
SHIFT SOLENOID
VALVE C
GRN
7
5
2
1
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE BA/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE C
INPUT SHAFT
(MAINSHAFT)
SPEED SENSOR
GRN/BLK YEL/BLU
E 1
2
1
2
1
2
BLK/RED
(BLK)*4
G101 1
2
3 SHIFT SOLENOID
VALVE D
YEL
8
SHIFT SOLENOID
VALVE E
RED
3
*1
B27RED/YEL
B10 BLU/BLK
B11 GRN/WHT
TATF
SHA SHBB20 GRN
SHC
RED/BLK
B44
BRNBLU/YEL
B35
B25
WHT/RED
B17 LSA
LSB
LSC
NMB26
GRN/RED
SHD
B24 YEL
SHE
BLK/RED
(BLK)*4BLK/RED
(BLK)*4
*1: A/T
*4: ’07-09 models
08/08/21 14:13:47 61SNR030_110_0050
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ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-52 Fuel and Emissions Systems
System Description (cont’d)
A/F SENSOR
(SENSOR 1)
2
RED
C29
AFS RED
C30
AFS RED/YEL
C9
AFSHTC 1
RED/BLU
3
BLU
4
Q
10
C101
SECONDARY
HO2S
(SENSOR 2)
3
4
C27
SHO2S
B4
SO2SHTC H
P
I
OIL PRESSURE
SWITCH
B7
OPSW
YEL/RED
A25 1
3
BRN
VCC4
A17 1
YEL
APSA
A35 2
BLU
SG4
A24 6
GRY
VCC5
A18 4
PUR
APSB
A34 5
LT BLU
SG5 9
5 THROTTLE
ACTUATOR
1 6
WHT/RED 2
13
4
6
5
BLU
RED/BLK RED/BLK
GRN RED/BLU
BLU/RED GRN/YEL
C4
ETCSM
C3
ETCSM C39
SG3 C21
TPSB
C12
VCC3
C20
TPSA
GRN BLU
GRNPUR
R
WHT/GRN
3 (2) *81 (5) *8
2 (6) *8 BLK
YEL
C209
AB
1 2
THROTTLE BODY
APP SENSOR A/B
BLK/WHT
WHT
PNK TP SENSOR
AB
BRN
PNK WHT
BLU/RED
GRN/YEL
14
15
19
23
18
*8: ’09 model
08/08/21 14:13:49 61SNR030_110_0052
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ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-54Fuel and Emissions Systems
System Description (cont’d)
RED
A42
WEN
WHT
A36
CANH
RED
A37
CANL
BLU
A29
VSSOUT 10
11 7
14 5
10
WHT
9
RED
5
WHT
10
BLK
4
RED
7
WHT
6
RED
8
ORN
9
LT BLU
2
2
BLU
7
ORN
4
LT BLU
8
WHT
BLU
YXW
6P
JUNCTION
CONNECTOR
7
13 14 12
11
C201
BRN
BRN
To MOONROOF
CONTROL
UNIT/MOTOR To AUDIO UNIT
DATA
LINK
CONNECTOR
5
7
9
14
6
12
16 4
BLK
G502
GAUGE CONTROL
MODULE (TACH)
19
1
JUNCTION BOX
J
RED
WHT
2
1
6P
JUNCTION
CONNECTOR
3265
3265
14
14
1 15
11
12
1
17
EPS CONTROL
UNIT
SRS UNIT
ABS MODULATOR-
CONTROL UNIT RED
BLK
WHT RED
BLU
CANL
CANH
CANL CANH
CANL CANH
CANL
*5
CANH
*5: ’06-07 models
08/08/21 14:13:50 61SNR030_110_0054
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DYNOMITE -2009-

ÎECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-56Fuel and Emissions Systems
System Description (cont’d)
GAUGE CONTROL
MODULE (TACH)
RED
A42
WEN
WHT
A36
CANH
RED
A37
CANL
BLU
A29
VSSOUT 10
RED
11
BLK
7
WHT
14
RED
5
BLU
8
WHT
10
BLK
5
RED
7
WHT
6
RED
3
ORN
9
LT BLU
7
ORN
4
LT BLU
8
WHT
C201
BRN
DATA
LINK
CONNECTOR
5
7
9
14
6 12
16
4
BLK JUNCTION BOX
J
SRS UNIT RED
WHT 9
10
15
1
1
15
EPS CONTROL UNIT
VSA MODULATOR-
CONTROL UNIT
RED WHT
7
13
14
12 11
1
2
*8 2
2
BLU BLU
To MOONROOF
CONTROL UNIT/MOTOR To AUDIO UNIT 12P
JUNCTION
CONNECTOR
12 8 5 10
911
C501 RED
WHT
10
9
76
YX
W
YAW RATE-LATERAL
ACCELERATION SENSOR 3
4
TPMS CONTROL
UNIT 15
14
4
3
(1)*9
(2)*9
CANL
CANH
CANL CANH
11
12 CANH CANL
2
11 CANH CANL
CANH CANL
WHT RED19
1
G502
CANL
CANH
*8: ’09 model
*9: With Premium Audio
08/08/21 14:13:52 61SNR030_110_0056
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ECM/PCM Circuit Diagram (K20Z2 engine) (cont’d)
11-58Fuel and Emissions Systems
System Description (cont’d)
Z
C36 IG1
A44 S-NET5V
A15
IMOFPR
A31
SCS
A40
BKSW BLK/GRN
C101 2
MICU
V
PGM-FI MAIN
RELAY 2
(FUEL PUMP)
UNDER-DASH FUSE/RELAY BOX
F5
YEL
F8
PNK
F10
BRN
F11
BRN
F24
BRN
F25
LT GRN
F30
LT GRN
F31
WHT
F29
G2
ORN
G4
ORN
BRN
G16
WHT
G20
WHT
Q1
WHT
Q5
ORN
Q8
LT BLU
E9
GRN
E27
YEL
IG2
B IG1
D1
WHT
D2
BLU
C3
ORN
C1
YEL
3
AD
ST
AC
AB
O
ORN
AE
AA
YW
X
ST6
4
1
R
IGNITION SWITCH FUEL PUMPP
2
4
BLK E28
G601
IG1 HOT in ON (II)
and START (III) YEL
G12 STARTER
CUT RELAY
(ST CUT)
22
UNDER-HOOD FUSE/RELAY BOX: No. 21 DBW (THROTTLE
ACTUATOR CONTROL) (15 A) No. 18 IG COIL (15 A)
No.19FIMAIN(15A)
No.11FISUB(15A)
No.15OILLVL(7.5A)
No. 2 IG MAIN (50 A)
No. 23 BACK UP (10 A)
No.12STOP&HORN(15A)
No. 1 MAIN FUSE (100 A)
UNDER-DASH FUSE/RELAY BOX: No. 3 ALTERNATOR (10 A)
No. 2 FUEL PUMP (15 A)
No. 36 IG2 HAC (A/C) (10 A)
No. 10 METER (7.5 A)
08/08/21 14:13:53 61SNR030_110_0058
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