ACURA CSX 2006 Service Repair Manual


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ECM/PCM Electrical Connections (cont’d)
11-18 Fuel and Emissions Systems
System Description (cont’d)
D
C
EVAP CANISTER
PURGE VALVE
EVAP CANISTER
VENT SHUT VALVE
ALTERNATOR
ICM
To
SPARK
PLUG
No. 1 IGNITION COIL
To
SPARK
PLUG ICM
No. 2 IGNITION COIL
To
SPARK
PLUG ICM
No. 3 IGNITION COIL
To
SPARK
PLUG ICM
No. 4 IGNITION COIL A10 VSV B3 PCS
B42 ALTL
B43 ALTF
C15 IGPLS1
C16 IGPLS2
C17 IGPLS3
C18 IGPLS4 B41 ALTC LG1 C40 I
VTS B34 ROCKER ARM
OIL CONTROL
SOLENOID
VTC C23
AFSHTC C9
AFS C29
SHO2S C27
SO2SHTC B4
LG2 C44
AFS C30
SECONDARY
HO2S
(SENSOR 2) A/F SENSOR
(SENSOR 1)
S-NET5V A44 G
CMPA C41 K
Q
CMP SENSOR A
ROCKER ARM
OIL PRESSURE
SWITCH
P
VTPSW C22 VTC OIL CONTROL
SOLENOID VALVE
To MICU
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11-19
A42 WEN
A31 SCS OIL PRESSURE
SWITCH
B
BRAKE PEDAL
POSITION SWITCH
BKSW A40
BKSWNC A39 H
VSSOUT A29 To
MOONROOF
CONTROL UNIT/MOTOR,
AUDIO UNIT
A37 CANL
FTP SENSOR
A19 VCC6
A26 FTP
A9 SG6
A36 CANH
E OPSW B7
Q
R
P
CRMTCLS A41 CLUTCH PEDAL
POSITION SWITCH
S
THROTTLE
ACTUATOR
THROTTLE BODY C12 VCC3
C20 TPSA
C21 TPSB
C39 SG3
C4 ETCSM
C3 ETCSM ECT SENSOR 2
R
S
A/C PRESSURE
SENSOR *2
VCC4 A25 APSA A17 SG4 A35
VCC5 A24
APSB A18 SG5 A34
ETC2 A33
ACPD A16
To MICU *3
T
RVS A27
GAUGE CONTROL MODULE (TACH)
B A
REVERSE LOCKOUT
SOLENOID
TP SENSOR A/B A
DATA LINK
CONNECTOR
B APP SENSOR A/B
*2: M/T
*3: K20Z3 engine
(cont’d)
08/08/21 14:12:39 61SNR030_110_0019
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ECM/PCM Electrical Connections (cont’d)
11-20 Fuel and Emissions Systems
System Description (cont’d)
TERMINAL LOCATIONS
*1: A/T
ECM/PCM A ( ) (44P) ECM/PCM C ( ) (44P)
ECM/PCM B ( ) (44P)
ATF TEMPERATURE SENSOR
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE A
OUTPUT SHAFT
(COUNTERSHAFT)
SPEED SENSOR
N
INPUT SHAFT
(MAINSHAFT)
SPEED SENSOR
S
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE B
A/T CLUTCH
PRESSURE
CONTROL
SOLENOID
VALVE C
TATF B27
SHA B10
SHB B11
SHC B20
SHD B26
LSA B44
NC C43
NM B17
LSB B35
LSC B25 O
M
L
J
To
SHIFT LOCK SOLENOID P
R
N
D S B15 ATPS B21 ATPD
B12 ATPN B14 ATPR B13 ATPP
A27 SLS
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH
B9 OP3SW
TRANSMISSION
RANGE SWITCH
2ND CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH B28 ATPFWD
B22 ATPRVS
B8 OP2SW
*1
SHE B24
B40 SDNP B16 SUPP
PADDLE SHIFTER
(UPSHIFT SWITCH)
PADDLE SHIFTER
(DOWNSHIFT SWITCH) SHIFT SOLENOID
VALVE A
SHIFT SOLENOID
VALVE B
SHIFT SOLENOID
VALVE C
SHIFT SOLENOID
VALVE D
SHIFT SOLENOID
VALVE E
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Vacuum Hose Routing
K20Z2 engine
11-21
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE VALVETo
EVAPORATIVE
EMISSION (EVAP)
CANISTER
INTAKE AIR
BYPASS CONTROL
THERMAL VALVE
FRONT OF
VEHICLE
(cont’d)
08/08/21 14:12:40 61SNR030_110_0021
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Vacuum Hose Routing (cont’d)
K20Z3 engine
11-22Fuel and Emissions Systems
System Description (cont’d)
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE VALVE
To
EVAPORATIVE
EMISSION (EVAP)
CANISTER
INTAKE AIR
BYPASS CONTROL
THERMAL VALVE
FRONT OF
VEHICLE
08/08/21 14:12:40 61SNR030_110_0022
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Vacuum Distribution
K20Z2 engine
11-23
3ENGINE
COOLANT
9
5 18
4
6
7
8 20
19 2 26
16
15
25
11 13
14
10 21
23
12 ATMOSPHERE
1
ENGINE
COOLANT
24
17ATMOSPHERE
22
MASS AIR FLOW (MAF) SENSOR/
INTAKE AIR TEMPERATURE (IAT) SENSOR
AIR FUEL RATIO (A/F) SENSOR (SENSOR 1)
SECONDARY HEATED OXYGEN SENSOR
(SECONDARY HO2S) (SENSOR 2)
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1
CRANKSHAFT POSITION (CKP) SENSOR
KNOCK SENSOR
CAMSHAFT POSITION (CMP) SENSOR B
CAMSHAFT POSITION (CMP) SENSOR A
THROTTLE BODY
INJECTOR
FUEL PRESSURE REGULATOR
FUEL FILTER
FUEL PUMP
FUEL TANK INTAKE AIR RESONATOR
POSITIVE CRANKCASE VENTILATION (PCV) VALVE
THREE WAY CATALYTIC CONVERTER
EVAPORATIVE EMISSION (EVAP) CANISTER EVAPORATIVE EMISSION (EVAP) CANISTER
PURGE VALVE
EVAPORATIVE EMISSION (EVAP) CANISTER
VENT SHUT VALVE
FUEL TANK PRESSURE (FTP) SENSOR
INTAKE AIR BYPASS CONTROL THERMAL VALVE
FUEL TANK VAPOR CONTROL VALVE
AIR CLEANER EXHAUST GAS RECIRCULATION (EGR) VALVE and
POSITION SENSOR
(cont’d)
08/08/21 14:12:41 61SNR030_110_0023
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Vacuum Distribution (cont’d)
K20Z3 engine
11-24Fuel and Emissions Systems
System Description (cont’d)
3
ENGINE
COOLANT
9
5 17
4
6
7
8 19
18 2 25
16
15
24
11 13
14
10 20
22
12 ATMOSPHERE
1
ENGINE
COOLANT
23 ATMOSPHERE
21
MASS AIR FLOW (MAF) SENSOR/
INTAKE AIR TEMPERATURE (IAT) SENSOR
AIR FUEL RATIO (A/F) SENSOR (SENSOR 1)
SECONDARY HEATED OXYGEN SENSOR
(SECONDARY HO2S) (SENSOR 2)
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1
CRANKSHAFT POSITION (CKP) SENSOR
KNOCK SENSOR
CAMSHAFT POSITION (CMP) SENSOR B
CAMSHAFT POSITION (CMP) SENSOR A
THROTTLE BODY
INJECTOR
FUEL PRESSURE REGULATOR
FUEL FILTER
FUEL PUMP
FUEL TANK INTAKE AIR RESONATOR
POSITIVE CRANKCASE VENTILATION (PCV) VALVE
THREE WAY CATALYTIC CONVERTER
EVAPORATIVE EMISSION (EVAP) CANISTER EVAPORATIVE EMISSION (EVAP) CANISTER
PURGE VALVE
EVAPORATIVE EMISSION (EVAP) CANISTER
VENT SHUT VALVE
FUEL TANK PRESSURE (FTP) SENSOR
INTAKE AIR BYPASS CONTROL THERMAL VALVE
FUEL TANK VAPOR CONTROL VALVE AIR CLEANER
08/08/21 14:12:42 61SNR030_110_0024
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ECM/PCM Inputs and Outputs at Connector A ( ) (44P)
Terminal
numberWire color Terminal name DescriptionSignal
11-25
NOTE: Standard battery voltage is about 12 V.
4 PUR FANL (RADIATOR FAN CONTROL) Drives radiator fan relay With radiator fan running: about 0 V
With radiator fan stopped: battery voltage
5 GRY FANH (RADIATOR FAN CONTROL) Drives A/C condenser fan
relayWith A/C condenser fan running: about 0 V
With A/C condenser fan stopped: battery voltage
6 GRN MRLY (PGM-FI MAIN RELAY 1) Drives PGM-FI main relay 1
Power source for DTC
memoryWith ignition switch ON (II): about 0 V
With ignition switch OFF: battery voltage
8 ORN IGP (POWER SOURCE) Power source for ECM/PCM circuitWith ignition switch ON (II): battery voltage
9 BLK SG6 (SENSOR GROUND) Sensor ground Less than 1.0 V at all times
10 LT GRN VSV (EVAPORATIVE EMISSION (EVAP)
CANISTER VENT SHUT
VALVE) Drives EVAP canister vent
shut valve
With ignition switch ON (II): battery voltage
14 RED ACC (A/C COMPRESSOR CLUTCH RELAY) Drives A/C compressor
clutch relayWith compressor ON: about 0 V
With compressor OFF: battery voltage
15 BRN IMOFPR (IMMOBILIZER FUEL PUMP RELAY) Drives PGM-FI main relay 2
(FUEL PUMP)About 0 V for 2 seconds after turning ignition switch
ON (II), then battery voltage
16 LT GRN ACPD (A/C PRESSURE SENSOR) Detects A/C pressure
sensor signalWith A/C switch ON: about 1.7 4.8 V
(depending on A/C pressure)
17 YEL APSA (ACCELERATOR PEDAL POSITION (APP)
SENSOR A) Detects APP sensor A signal With ignition switch ON (II) and accelerator pedal
pressed: about 4.7 V
With ignition switch ON (II) and accelerator pedal
released: about 0.5 V
18 PUR APSB (ACCELERATOR PEDAL POSITION (APP)
SENSOR B) Detects APP sensor B signal With ignition switch ON (II) and accelerator pedal
pressed: about 2.3 V
With ignition switch ON (II) and accelerator pedal
released: about 0.25 V
19 RED VCC6 (SENSOR VOLTAGE) Provides sensor reference voltageWith ignition switch ON (II): about 5.0 V
20 YEL ETCSRLY (ELECTRONIC THROTTLE CONTROL
SYSTEM (ETCS) CONTROL
RELAY) Drives electronic throttle
control system (ETCS)
control relay
With ignition switch ON (II): about 0 V
(4.0 V momentarily)
21 PNK SUBRLY (PGM-FI SUBRELAY) Drives PGM-FI subrelay With ignition switch ON (II): about 0 V
23 ORN ELD (ELECTRICAL LOAD DETECTOR (ELD)) Detects ELD signal With ignition switch ON (II): about 0.1 4.8 V
(depending on electrical load)
(cont’d)
Terminal side of female terminals
08/08/21 14:12:42 61SNR030_110_0025
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ECM/PCM Inputs and Outputs at Connector A ( ) (44P)
Terminal
numberWire color Terminal name DescriptionSignal
11-26Fuel and Emissions Systems
System Description (cont’d)
NOTE: Standard battery voltage is about 12 V.
24 GRY VCC5 (SENSOR VOLTAGE) Provides sensor reference voltageWith ignition switch ON (II): about 5.0 V
25 BRN VCC4 (SENSOR VOLTAGE) Provides sensor reference voltageWith ignition switch ON (II): about 5.0 V
26 LT GRN FTP (FUEL TANK PRESSURE (FTP) SENSOR) Detects FTP sensor signal With ignition switch ON (II) and fuel fill cap
removed: about 2.5 V
27 PNK SLS (SHIFT LOCK SOLENOID) Drives shift lock solenoid With ignition switch ON (II), in P, brake pedal
pressed, and accelerator released:
battery voltage
27 GRN RVS (REVERSE LOCKOUT SOLENOID) Drives reverse lockout
solenoidWith vehicle speed below 9 mph (15 km/h):
battery voltage
With vehicle speed above 13 mph (20 km/h):
about 0 V
28 BLU NEP (ENGINE SPEED PULSE) Outputs engine speed pulse With engine running: pulses
29 BLU VSSOUT (VEHICLE SPEED SIGNAL OUTPUT) Sends vehicle speed signal Depending on vehicle speed: pulses
31 BRN SCS (SERVICE CHECK SIGNAL) Detects service check signal With service check signal shorted using HDS:
about 0 V
With service check signal opened: about 5.0 V
33 GRN ECT2 (ENGINE COOLANT TEMPERATURE (ECT)
SENSOR 2) Detects ECT sensor 2 signal With ignition switch ON (II): about 0.1 4.8 V
(depending on engine coolant temperature)
34 LT BLU SG5 (SENSOR GROUND) Sensor ground Less than 1.0 V at all times
35 BLU SG4 (SENSOR GROUND) Sensor ground Less than 1.0 V at all times
36 WHT CANH (CAN COMMUNICATION SIGNAL
HIGH) Sends communication
signal
With ignition switch ON (II): about 2.5 V (pulses)
37 RED CANL (CAN COMMUNICATION SIGNAL
LOW) Sends communication
signal
With ignition switch ON (II): about 2.5 V (pulses)
1: A/T
3: K20Z3 engine
1
3
Terminal side of female terminals
08/08/21 14:12:43 61SNR030_110_0026
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ECM/PCM Inputs and Outputs at Connector A ( ) (44P)
Terminal
numberWire color Terminal name DescriptionSignal
11-27
NOTE: Standard battery voltage is about 12 V.
39 BRN BKSWNC (BRAKE PEDAL POSITION SWITCH) Detects brake pedal
position switch signalWith ignition switch ON (II) and brake pedal
released: battery voltage
With ignition switch ON (II) and brake pedal
pressed: about 0 V
40 LT GRN BKSW (BRAKE PEDAL POSITION SWITCH) Detects brake pedal
position switch signalWith brake pedal released: about 0 V
With brake pedal pressed: battery voltage
41 LT BLU CRMTCLS (CRUISE CLUTCH PEDAL POSITION
SIGNAL) Detects clutch pedal
position switch signal
With ignition switch ON (II) and clutch pedal
released: about 0 V
With ignition switch ON (II) and clutch pedal
pressed: battery voltage
42 RED WEN (WRITE ENABLE SIGNAL) Detects write enable signal With ignition switch ON (II): about 0 V
44 PNK S-NET5V (SERIAL COMMUNICATION FOR
IMMOBILIZER) Sends serial
communication signal
With ignition switch ON (II): pulses
With ignition switch OFF: about 5.0 V
2: M/T
(cont’d)
2
Terminal side of female terminals
08/08/21 14:12:43 61SNR030_110_0027
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