Acura RL. Manual - part 512

PCM INPUTS AND OUTPUTS AT CONNECTOR D (17P)

Fig. 24: Identifying PCM Inputs And Outputs Connector Terminals D (17P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

With engine
running in N, P, R,
D (in 2nd, 4th
gears), D3, and M
positions: about 0
V

RED

ATPD3
(TRANSMISSION
RANGE SWITCH
D3)

Detects
transmission range
switch D3 signal

In D3 position:
about 0 V
In any position
other than D3:
battery voltage

BLU/YEL

ATPFWD
(TRANSMISSION
RANGE SWITCH
D3/D)

Detects
transmission range
switch D3/D signal

In D, D3 positions:
about 0 V
In any other
position: battery
voltage

BLU/YEL

OP4SW (4TH
CLUTCH
TRANSMISSION
FLUID PRESSURE
SWITCH)

Detects 4th clutch
transmission fluid
pressure switch
input

With ignition
switch ON (II):
Without 4th clutch
pressure: about 5.0
V
With 4th clutch
pressure: about 0
V

RED/WHT

ATPRVS
(TRANSMISSION
RANGE SWITCH R
POSITION)

Detects
transmission range
switch P, R, neutral
position signal
input

In P, R, N
positions: about 0
V
In any other
position: battery
voltage

GRN/RED

LSC (A/T CLUTCH
PRESSURE
CONTROL
SOLENOID VALVE
C)

Drives A/T clutch
pressure control
solenoid valve C

With ignition
switch ON (II):
pulses

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel and Emissions Systems - RL

Friday, June 05, 2009 2:33:27 PM

Page 43

CONNECTOR TERMINAL DESCRIPTION CHART

NOTE:

Standard battery voltage is about 12 V.

Terminal number

Wire color

Terminal name

Description

Signal

RED

VCC3 (SENSOR
VOLTAGE)

Provides sensor
voltage

With ignition
switch ON (II):
about 5.0 V
With ignition
switch OFF: about
0 V

PUR

APSA
(ACCELERATOR
PEDAL POSITION
(APP) SENSOR A)

Detects APP sensor
A signal

With ignition
switch ON (II) and
accelerator pedal
pressed: about 4.5
V
With ignition
switch ON (II) and
accelerator pedal
released: about 1.0
V

LT BLU

STS (STARTER
SWITCH SIGNAL)

Detects starter
switch signal

With starter switch
ON (III): battery
voltage
With starter switch
OFF: about 0 V

PNK

STRLD

Detects starter cut
relay 2 (STCUT)

With starter ON:
battery voltage

YEL

IG1 (IGNITION
SIGNAL)

Detects ignition
signal

With ignition
switch ON (II):
battery voltage
With ignition
switch OFF: about
0 V

WHT

SG3 (SENSOR
GROUND)

Sensor ground

Less than 1.0 V at
all times

RED

NM (INPUT SHAFT
(MAINSHAFT)
SPEED SENSOR)

Detects input shaft
(mainshaft) speed
sensor signals

With ignition
switch ON (II):
about 0 V or about
5.0 V
With engine idling
in N position: about
2.5 V (pulses)

LT GRN

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

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel and Emissions Systems - RL

Friday, June 05, 2009 2:33:27 PM

Page 44

accelerator pedal
released: about 0.5
V

GRY

VLBLB2 (LABEL
RESISTER BANK
2)

Detects front A/F
sensor (Bank 2,
sensor 1) LABEL
signal

With engine
running: about 0.4-
4.6 V

WHT

VLBLB1 (LABEL
RESISTER BANK
1)

Detects rear A/F
sensor (Bank 1,
sensor 1) LABEL
signal

With engine
running: about 0.4-
4.6 V

ORN

VBSOL2 (POWER
SOURCE FOR
SOLENOID
VALVES)

Power source for
solenoid valves

With ignition
switch ON (II):
battery voltage
With ignition
switch OFF: about
0 V

GRN

ATPP
(TRANSMISSION
RANGE SWITCH P)

Detects
transmission range
switch P signal

In P position: about
0 V
In any position
other than P:
battery voltage

LT BLU

PPIN (PARK PIN
SWITCH)

Detects park pin
switch signal

With ignition
switch ON (II) in P
position: battery
voltage
With ignition
switch ON (II) in
other than P
position: about 0V

PUR

SDNP

Detects paddle
shifter - (downshift
switch) signal

In M position,
paddle shifter -
(downshift switch)
pressed: about 0 V
In M position,
paddle shifter -
(downshift switch)
released: battery
voltage

PUR

ATPR
(TRANSMISSION
RANGE SWITCH R
POSITION)

Detects
transmission range
switch R signal
input

In R position: about
0 V
In any position
other than R:
battery voltage

BLU

SUPP

Detects paddle
shifter + (upshift
switch) signal

In M position,
paddle shifter +
(upshift switch)
pressed: about 0 V
In M position,
paddle shifter +

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel and Emissions Systems - RL

Friday, June 05, 2009 2:33:27 PM

Page 45

PCM INPUTS AND OUTPUTS AT CONNECTOR E (31P)

Fig. 25: Identifying PCM Inputs And Outputs Connector Terminals E (31P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

CONNECTOR TERMINAL DESCRIPTION CHART

(upshift switch)
released: battery
voltage

NOTE:

Standard battery voltage is about 12 V.

Terminal number

Wire color

Terminal name

Description

Signal

GRN

SG4 (SENSOR
GROUND)

Sensor ground

Less than 1.0 V at
all times

BRN

IMOFPR
(IMMOBILIZER
FUEL PUMP
RELAY)

Drives PGM-FI
main relay 2 (FUEL
PUMP)

0 V for 2 seconds
after turning
ignition switch ON
(II), then battery
voltage

BLU

DBWRLY
(THROTTLE
ACTUATOR
CONTROL
MODULE (DBW)
RELAY)

Drives throttle
actuator control
module (DBW)
relay

With ignition
switch ON (II):
about 0 V

PNK

AFSHTCR (AIR
FUEL RATIO (A/F)
SENSOR RELAY)

Drives A/F sensor
relay

With ignition
switch ON (II):
about 0 V

GRN

MRLY (PGM-FI
MAIN RELAY)

Drives PGM-FI
main relay 1 (FI
MAIN)
Power source for
DTC memory

With ignition
switch ON (II):
about 0 V
With ignition
switch OFF:
battery voltage

LT BLU

RFC (RADIATOR
FAN CONTROL
UNIT)

Drives radiator fan
control unit

With ignition
switch ON (II):
about 0 V

2007 Acura RL

2005-08 ENGINE PERFORMANCE Fuel and Emissions Systems - RL

Friday, June 05, 2009 2:33:27 PM

Page 46

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