ECM/PCM Inputs and Outputs at Connector (17P)

NOTE: Standard battery voltage is about 12 V.

Fig 1: Identifying ECM/PCM Inputs And Outputs At Connector (17P) Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

TERMINALS REFERENCE CHART

Terminal number

Wire color

Terminal name

Description

Signal

YEL/GRN

VCC3 (SENSOR VOLTAGE)

Provides sensor voltage

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

LT BLU

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

LT BLU

STS (STARTER SWITCH SIGNAL)

Detects starter switch signal

With ignition switch in START (III): battery voltage
In any position other than START (III): about 0 V

5⁽¹⁾

PNK

STRLD

Detects starter cut relay 1

With starter ON: battery voltage

BLK/GRN

IG1 (IGNITION SIGNAL)

Detects ignition signal

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

GRN

SG3 (SENSOR GROUND)

Sensor ground

Less than 1.0 V at all times

LT GRN

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 at idling in N position: about 2.5 V (pulse)

BLK

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 0.2 V

YEL

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

BRN

VLBLB1 (LABEL RESISTER BANK1)

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

13⁽¹⁾

BLU/BLK

ATPP (TRANSMISSION RANGE SWITCH P)

Detects transmission range switch P position signal

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

14⁽¹⁾

YEL/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 any position other than P: about 0 V

15⁽¹⁾

PUR

SDNP (PADDLE SHIFTER-(DOWNSHIFT SWITCH))

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

16⁽¹⁾

WHT

ATPR (TRANSMISSION RANGE SWITCH R)

Detects transmission range switch R position signal input

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

17⁽²⁾

BLU

SUPP (PADDLE SHIFTER+ (UPSHIFT SWITCH))

Detects paddle shifter+ (upshift switch) signal

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

⁽¹⁾

A/T

⁽²⁾	J35A8 engine, A/T