PCM Inputs and Outputs at PCM Connector B (Δ ) (49P)

Fig 1: Identifying PCM Connector Terminals B (49P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Terminal number

Wire color

Terminal name

Description

Signal

BRN

PG2 (POWER GROUND)

Ground circuit for PCM

Less than 0.2 V at all times

YEL

SCLS (CVT CLUTCH PRESSURE CONTROL SOLENOID VALVE)

Drives CVT clutch pressure control solenoid valve

With ignition switch ON (II): duty controlled

B10

BLK

PG1 (POWER GROUND)

Ground circuit for PCM

Less than 0.2 V at all times

B13

RED/BLK

ATPN (TRANSMISSION RANGE SWITCH N)

Detects transmission range switch N position signal

In N: about 0 V
In any position other than N: about 5.0 V

B14

BLU/BLK

ATPP (TRANSMISSION RANGE SWITCH P)

Detects transmission range switch P position signal

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

B15

WHT

ATPR (TRANSMISSION RANGE SWITCH R)

Detects transmission range switch R position signal

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

B16

BLU/WHT

ATPS (TRANSMISSION RANGE SWITCH S)

Detects transmission range switch S position signal

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

B17⁽¹⁾

BLU

ATPL (TRANSMISSION RANGE SWITCH L)

Detects transmission range switch L position signal

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

B18

RED/BLU

NDR (CVT INPUT SHAFT (DRIVE PULLEY) SPEED SENSOR)

Detects CVT input shaft (drive pulley) speed sensor signal

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

B19

YEL/BLU

VCC2 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II): about 5.0 V

B25

PNK

ATPD (TRANSMISSION RANGE SWITCH D)

Detects transmission range switch D position signal

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

B26

GRN/WHT

DNLS (CVT DRIVEN PULLEY PRESSURE CONTROL SOLENOID VALVE)

Drives CVT driven pulley pressure control solenoid valve

With ignition switch ON (II): duty controlled

B28

WHT

TATF (CVTF TEMPERATURE SENSOR)

Detects CVT temperature signal

With ignition switch ON (II): about 0.1-4.8 V (depending on CVTF temperature)

B29

BLU/YEL

ATPFWD (TRANSMISSION RANGE SWITCH FWD)

Detects transmission range switch FWD position signal

In D and S: about 0 V
In any position other than D and S: battery voltage

B30

GRN/BLK

INHSOL (INHIBITOR SOLENOID CONTROL)

Drives inhibitor solenoid valve

Until radiator fan comes on twice during idling in all positions: about 0V
With reverse inhibitor control in R: battery voltage

B34

GRN/YEL

SG2 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

B38

BLK/WHT

VEL (VEHICLE SPEED SENSOR)

Detects vehicle speed sensor

Depending on vehicle speed: pulses When vehicle is stopped: about 0 V or about 5.0 V

B40

BLU/WHT

DRLS (CVT DRIVE PULLEY PRESSURE CONTROL SOLENOID VALVE)

Drives CVT drive pulley pressure control solenoid valve

With ignition switch ON (II): duty controlled

B44

WHT/GRN

NDN (CVT OUTPUT SHAFT (DRIVEN PULLEY) SPEED SENSOR)

Detects CVT output shaft (driven pulley) speed sensor signal

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

⁽¹⁾	Six-position Transmission