Acura CSX. Manual — part 88
−
06
□
ECM/PCM Inputs and Outputs at Connector A (
) (44P)
Terminal
number
Wire color
Terminal name
Description
Signal
11-26
Fuel and Emissions Systems
NOTE: Standard battery voltage is about 12 V.
24
GRY
VCC5 (SENSOR VOLTAGE)
Provides sensor reference
voltage
With ignition switch ON (II): about 5.0 V
25
BRN
VCC4 (SENSOR VOLTAGE)
Provides sensor reference
voltage
With 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
solenoid
With 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
07
□
ECM/PCM Inputs and Outputs at Connector A (
) (44P)
Terminal
number
Wire color
Terminal name
Description
Signal
11-27
NOTE: Standard battery voltage is about 12 V.
39
BRN
BKSWNC (BRAKE PEDAL
POSITION SWITCH)
Detects brake pedal
position switch signal
With 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 signal
With 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
2
Terminal side of female terminals
08/08/21 14:12:43 61SNR030_110_0027
*06
△
ECM/PCM Inputs and Outputs at Connector B (
) (44P)
Terminal
number
Wire color
Terminal name
Description
Signal
11-28
Fuel and Emissions Systems
NOTE: Standard battery voltage is about 12 V.
•
•
•
•
1
BLK/RED
(BLK)
PG2 (POWER GROUND)
Ground circuit for ECM/
PCM
Less than 1.0 V at all times
2
BLU/RED
EGR (EXHAUST GAS
RECIRCULATION (EGR)
VALVE)
Drives EGR valve
With EGR operating: duty controlled
With EGR not operating: about 0 V
3
YEL/BLU
PCS (EVAPORATIVE
EMISSION (EVAP)
CANISTER PURGE VALVE)
Drives EVAP canister purge
valve
With engine running, engine coolant below 60 °C
(140 °F): battery voltage
With engine running, engine coolant above 60 °C
(140 °F): duty controlled
4
BLK/WHT
SO2SHTC (SECONDARY
HEATED OXYGEN SENSOR
(SECONDARY HO2S)
HEATER (SENSOR 2))
Drives secondary HO2S
heater (sensor 2)
With ignition switch ON (II): battery voltage
With warmed up engine running: duty controlled
7
YEL/RED
OPSW (OIL PRESSURE
SWITCH)
Detects engine oil pressure
signal
With ignition switch OFF: about 0 V
With engine running: battery voltage
8
BLU/RED
OP2SW (2ND CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH)
Detects 2nd clutch
transmission fluid pressure
switch input
With ignition switch ON (II):
Without 2nd clutch pressure: about 5.0 V
With 2nd clutch pressure: about 0 V
9
BLU/WHT
OP3SW (3RD CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH)
Detects 3rd clutch
transmission fluid pressure
switch input
With ignition switch ON (II):
Without 3rd clutch pressure: about 5.0 V
With 3rd clutch pressure: about 0 V
10
BLU/BLK
SHA (SHIFT SOLENOID
VALVE A)
Drives shift solenoid
valve A
With engine running in R, D, and S (in 1st, 4th, or
5th gears): battery voltage
With engine running in P, N, D, and S (in 2nd and
3rd gears): about 0 V
11
GRN/WHT
SHB (SHIFT SOLENOID
VALVE B)
Drives shift solenoid
valve B
With engine running in P, R, N, D, and S (in 1st and
2nd gears): battery voltage
With engine running in D and S (in 3rd, 4th, 5th
gears): about 0 V
12
RED/BLK
ATPN (TRANSMISSION
RANGE SWITCH N)
Detects transmission range
switch N position signal
input
In N: about 0 V
In any position other than N: about 5.0 V
13
BLU/BLK
ATPP (TRANSMISSION
RANGE SWITCH P)
Detects transmission range
switch P position signal
input
In P: about 0 V
In any position other than P: about 5.0 V
14
WHT
ATPR (TRANSMISSION
RANGE SWITCH R)
Detects transmission range
switch R position signal
input
In R: about 0 V
In any position other than R: about 5.0 V
15
RED
ATPS (TRANSMISSION
RANGE SWITCH S)
Detects transmission range
switch S position signal
input
In S: about 0 V
In any position other than S: battery voltage
1: A/T
4: K20Z2 engine
5: ’07-09 models
5
4
1
1
1
1
1
1
1
1
Terminal side of female terminals
08/08/21 14:12:43 61SNR030_110_0028
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−
−
*07
△
ECM/PCM Inputs and Outputs at Connector B (
) (44P)
Terminal
number
Wire color
Terminal name
Description
Signal
11-29
NOTE: Standard battery voltage is about 12 V.
•
•
16
BLU/YEL
SUPP (PADDLE SHIFTER
(UPSHIFT SWITCH))
Detects paddle shifter
(upshift switch)
In S:
With paddle shifter
(upshift switch) pressed:
about 0 V
With paddle shifter
(upshift switch) released:
battery voltage
17
WHT/RED
NM (INPUT SHAFT
(MAINSHAFT) SPEED
SENSOR)
Detects input shaft
(mainshaft) speed sensor
signal
With ignition switch ON (II): about 0 V
With engine idling in N: about 2.5 V
18
YEL/BLU
(YEL)
VCC2 (SENSOR VOLTAGE)
Provides sensor reference
voltage
With ignition switch ON (II): about 5.0 V
20
GRN
SHC (SHIFT SOLENOID
VALVE C)
Drives shift solenoid
valve C
With engine running in N and S (in 1st, 3rd, and 5th
gears): battery voltage
With engine running in P, R, D, and S (in 2nd and
4th gears): about 0 V
21
YEL/GRN
ATPD (TRANSMISSION
RANGE SWITCH D)
Detects transmission range
switch D position signal
input
In D: about 0 V
In any position other than D: battery voltage
22
RED/WHT
ATPRVS (TRANSMISSION
RANGE SWITCH RVS)
Detects transmission range
switch RVS position signal
input
In R: about 0 V
In any position other than R: battery voltage
23
RED/WHT
ECT1 (ENGINE COOLANT
TEMPERATURE (ECT)
SENSOR 1)
Detects ECT sensor 1 signal
With ignition switch ON (II): about 0.1
4.8 V
(depending on engine coolant temperature)
24
YEL
SHE (SHIFT SOLENOID
VALVE E)
Drives shift solenoid
valve E
With engine running in P and R: battery voltage
With engine running in N, D, and S (in 1st gear):
about 0 V
25
BLU/YEL
LSC (A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE C)
Drives A/T clutch pressure
control solenoid valve C
With ignition switch ON (II): current controlled
26
GRN/RED
SHD (SHIFT SOLENOID
VALVE D)
Drives shift solenoid
valve D
With engine running in D and S (in 2nd and 5th
gears): battery voltage
With engine running in P, R, N, D, and S (in 1st, 3rd,
and 4th gears): about 0 V
27
RED/YEL
TATF (ATF TEMPERATURE
SENSOR)
Detects ATF temperature
signal
With ignition switch ON (II): about 0.2
4.0 V
(about 1.8 V at operating temperature)
(depending on ATF temperature)
28
BLU/YEL
ATPFWD (TRANSMISSION
RANGE SWITCH FWD)
Detects transmission range
switch D and S positions
signal
In D and S: about 0 V
In any other position D and S: battery voltage
29
WHT/BLK
EGRP (EXHAUST GAS
RECIRCULATION (EGR)
VALVE POSITION SENSOR)
Detects EGR valve position
sensor signal
With engine running: about 1.2
3.0 V
(depending on EGR valve lift)
1: A/T
3: K20Z3 engine
4: K20Z2 engine
1
1
3
1
1
1
1
1
1
1
1
4
Terminal side of female terminals
08/08/21 14:12:44 61SNR030_110_0029
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