Acura RSX Honda Integra. Manual — part 82
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ECM/PCM Inputs and Outputs at Connector A (31P)
2002-2004 Models
Terminal
number
Wire color
Terminal name
Description
Signal
11-34
Fuel and Emissions Systems
System Description (cont’d)
NOTE: Standard battery voltage is 12 V.
19
GRN/RED
MAP (MANIFOLD
ABSOLUTE PRESSURE
SENSOR)
Detects MAP sensor signal
With ignition switch ON (II): about 3.0 V
At idle: about 1.0 V (depending on engine speed)
20
YEL/BLU
VCC2 (SENSOR VOLTAGE)
Provides sensor voltage
With ignition switch ON (II): about 5.0 V
With ignition switch OFF: about 0 V
21
YEL/RED
VCC1 (SENSOR VOLTAGE)
Provides sensor voltage
With ignition switch ON (II): about 5.0 V
With ignition switch OFF: about 0 V
22
WHT
AFSHTC
(AIR FUEL
RATIO (A/F) SENSOR
HEATER CONTROL
SIDE)
Detects A/F sensor heater
voltage
With ignition switch ON (II): battery voltage
23
BRN/YEL
LG2 (LOGIC GROUND)
Ground for the ECM/PCM
circuit
Less than 1.0 V at all times
24
BRN/YEL
LG1 (LOGIC GROUND)
Ground for the ECM/PCM
circuit
Less than 1.0 V at all times
25
BLU/WHT
CMPA (CAMSHAFT
POSITION SENSOR A)
Detects CMP sensor A
signal
With engine running: pulses
26
GRN
CMPB (CAMSHAFT
POSITION SENSOR B)
Detects CMP sensor B
signal
With engine running: pulses
27
BRN
IGPLS4 (No. 4 IGNITION
COIL PULSE)
Drives No. 4 ignition coil
With ignition switch ON (II): about 0 V
With engine running: pulses
28
WHT/BLU
IGPLS3 (No. 3 IGNITION
COIL PULSE)
Drives No. 3 ignition coil
29
BLU/RED
IGPLS2 (No. 2 IGNITION
COIL PULSE)
Drives No. 2 ignition coil
30
YEL/GRN
IGPLS1 (No. 1 IGNITION
COIL PULSE)
Drives No. 1 ignition coil
Wire side of female terminals
05/06/27 17:31:54 61S6M040_110_0034
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ECM/PCM Inputs and Outputs at Connector B (24P)
2002-2004 Models
Terminal
number
Wire color
Terminal name
Description
Signal
11-35
NOTE: Standard battery voltage is 12 V.
1
BLU/WHT
VTC
(VTC OIL CONTROL
SOLENOID VALVE
SIDE)
Drives VTC oil control
solenoid valve
With ignition switch ON (II): about 0 V
2
YEL
INJ4 (No. 4 INJECTOR)
Drives No. 4 injector
Engine running: duty controlled
With ignition switch ON (II): 12 V
3
BLU
INJ3 (No. 3 INJECTOR)
Drives No. 3 injector
4
RED
INJ2 (No. 2 INJECTOR)
Drives No. 2 injector
5
BRN
INJ1 (No. 1 INJECTOR)
Drives No. 1 injector
6
GRN
FANC (RADIATOR FAN
CONTROL)
Drives radiator fan relay
With radiator fan running: about 0 V
With radiator fan stopped: battery voltage
7
GRN/WHT
RVS (REVERSE LOCK
SOLENOID VALVE)
Drives reverse lock solenoid
valve
With vehicle speed below 9.4 mph (15 km/h):
battery voltage
With vehicle speed above 12.5 mph (20 km/h): 0 V
8
RED/WHT
ECT (ENGINE COOLANT
TEMPERATURE SENSOR)
Detects ECT sensor signal
With ignition switch ON (II): about 0.1
4.8 V
(depending on engine coolant temperature)
9
BLU/BLK
VTPSW (ROCKER ARM OIL
PRESSURE SWITCH (VTEC
OIL PRESSURE SWITCH))
Detects rocker arm oil
pressure switch (VTEC oil
pressure switch) signal
With engine at low engine speed: about 0 V
With engine at high engine speed: battery voltage
10
WHT/BLU
ALTL (ALTERNATOR L
SIGNAL)
Detects alternator L signal
With ignition switch ON (II): about 0 V
With engine running: battery voltage
13
WHT/RED
ALTF (ALTERNATOR FR
SIGNAL)
Detects alternator FR signal
With engine running: about 0
5.0 V
(depending on electrical load)
14
RED/BLK
LSA
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE A
SIDE)
Drives A/T clutch pressure
control solenoid valve A
With ignition switch ON (II): duty controlled
15
GRN/YEL
VTS (ROCKER ARM OIL
CONTROL SOLENOID
(VTEC SOLENOID VALVE))
Drives rocker arm oil
control solenoid (VTEC
solenoid valve)
At idle: about 0 V
1: A/T
3: K20A2 engine
(cont’d)
3
1
Wire side of female terminals
05/06/27 17:31:54 61S6M040_110_0035
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ECM/PCM Inputs and Outputs at Connector B (24P)
2002-2004 Models
Terminal
number
Wire color
Terminal name
Description
Signal
11-36
Fuel and Emissions Systems
System Description (cont’d)
NOTE: Standard battery voltage is 12 V.
16
BRN/WHT
LSB
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE B
SIDE)
Drives A/T clutch pressure
control solenoid valve B
With ignition switch ON (II): duty controlled
17
RED/YEL
IAT (INTAKE AIR
TEMPERATURE SENSOR)
Detects IAT sensor signal
With ignition switch ON (II): about 0.1
4.8 V
(depending on intake air temperature)
18
WHT/GRN
ALTC (ALTERNATOR
CONTROL)
Sends alternator control
signal
With engine running: about 0
5.0 V
(depending on electrical load)
21
YEL/BLU
PCS (EVAPORATIVE
EMISSION CANISTER
PURGE VALVE)
Drives EVAP canister purge
valve
With engine running, engine coolant below 149 °F
(65 °C): battery voltage
With engine running, engine coolant above 149 °F
(65 °C): duty controlled
22
RED/BLU
IMT (INTAKE MANIFOLD
TUNING) (IMRC (INTAKE
MANIFOLD RUNNER
CONTROL SOLENOID
VALVE))
Drives IMT (IMRC) solenoid
valve
With engine speed below 4,700 rpm: battery voltage
With engine speed above 4,700 rpm: about 0 V
23
BLK/WHT
VTC
(VTC OIL CONTROL
SOLENOID VALVE
SIDE)
Drives VTC oil control
solenoid valve
With ignition switch ON (II): about 0 V
24
BLU/YEL
LSC
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE C
SIDE)
Drives A/T clutch pressure
control solenoid valve C
With ignition switch ON (II): duty controlled
1: A/T
4: K20A3 engine
1
4
1
Wire side of female terminals
05/06/27 17:31:55 61S6M040_110_0036
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22
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PCM Inputs and Outputs at Connector C (22P)
2002-2004 Models
1
Terminal
number
Wire color
Terminal name
Description
Signal
11-37
NOTE: Standard battery voltage is 12 V.
1
WHT/BLK
LSA
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE A
SIDE)
Ground for A/T clutch
pressure control solenoid
valve A
With ignition switch ON (II): current control
2
GRN
SHC (SHIFT SOLENOID
VALVE C)
Drives shift solenoid
valve C
With engine running in N, or in D, M, or D3 (in 1st,
3rd, 5th gears): battery voltage
With engine running in P, R, or in D, M, or D3 (in
2nd, 4th gears): about 0 V
3
YEL
SHE (SHIFT SOLENOID
VALVE E)
Drives shift solenoid
valve E
With engine running in P, R: battery voltage
With engine running in N, or in D, M, or D3 (in 1st,
2nd, 3rd, 4th, 5th gears): about 0 V
4
GRN/WHT
SHB (SHIFT SOLENOID
VALVE B)
Drives shift solenoid
valve B
With engine running in P, R, N, or D, M, or D3 (in 1st,
2nd gears): battery voltage
With engine running in D, M, or D3 (in 3rd, 4th, 5th
gears): about 0 V
5
GRN/RED
SHD (SHIFT SOLENOID
VALVE D)
Drives shift solenoid
valve D
With engine running in D, M, or D3 (in 2nd, 5th
gears): battery voltage
With engine running in P, R, N, or D, M, or D3 (in 1st,
3rd, 4th gears): about 0 V
6
BLU/BLK
SHA (SHIFT SOLENOID
VALVE A)
Drives shift solenoid
valve A
With engine running in R, or D, M, or D3 (in 1st, 4th,
5th gears): battery voltage
With engine running in P, N, or D, M, or D3 (in 2nd,
3rd gears): about 0V
7
WHT/RED
NM (INPUT SHAFT
(MAINSHAFT) SPEED
SENSOR)
Detects input shaft
(mainshaft) speed sensor
signals
With engine running: pulses
8
BLK/RED
LSB
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE B
SIDE)
Ground for A/T clutch
pressure control solenoid
valve B
With ignition switch ON (II): current control
9
RED
ATPD3 (TRANSMISSION
RANGE SWITCH D3
POSITION)
Detects transmission range
switch D3 position signal
In D3 position: about 0 V
In any other position: about 5.0 V or battery voltage
10
BLU/WHT
OP3SW (3RD OIL
PRESSURE SWITCH)
Detects 3rd oil pressure
switch
With ignition switch ON (II): about 5.0 V
12
RED/WHT
ATPRVS (TRANSMISSION
RANGE SWITCH R
POSITION)
Detects transmission range
switch R position signal
In R position: about 0 V
In any other position: about 5.0 V
battery voltage
13
BLU/RED
OP2SW (2ND OIL
PRESSURE SWITCH)
Detects 2nd oil pressure
switch
With ignition switch ON (II): about 5.0 V
14
RED/YEL
ATFT (ATF TEMPERATURE
SENSOR)
Detects ATF temperature
sensor signal
With ignition switch ON (II): about 0.2
4.8 V
(depending on ATF temperature)
15
BLU
NC (OUTPUT SHAFT
(COUNTERSHAFT) SPEED
SENSOR)
Detects output shaft
(countershaft) speed sensor
signals
With ignition switch ON (II), and front wheels
rotating: battery voltage
16
WHT/BLU
LSC
(A/T CLUTCH
PRESSURE CONTROL
SOLENOID VALVE C
SIDE)
Ground for A/T clutch
pressure control solenoid
valve C
With ignition switch ON (II): current control
18
BLU/YEL
ATPFWD (TRANSMISSION
RANGE SWITCH D/D3
POSITION)
Detects transmission range
switch D/D3 position signal
In D or D3: about 0 V
In any other position: about 5.0 V
battery voltage
1: A/T
(cont’d)
Wire side of female terminals
05/06/27 17:31:55 61S6M040_110_0037
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