PCM Inputs and Outputs at PCM Connector B (Δ) (49P) ('07 model)

Fig 1: Identifying PCM Inputs And Outputs At PCM Connector B (49P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

TERMINAL DESCRIPTION

Terminal number

Wire color

Terminal name

Description

Signal

BLK

PG2 (POWER GROUND)

Ground circuit for PCM

Less than 0.2 V at all times

BLK/YEL

VBSOL (POWER SOURCE FOR SOLENOID VALVES)

Power source for solenoid valves

With ignition switch ON (II): battery voltage

YEL/BLK

IGP (POWER SOURCE)

Power source for PCM circuit

With ignition switch ON (II): battery voltage

BRN

INJ1 (No. 1 INJECTOR)

Drives No. 1 injector

At idle: duty controlled
With ignition switch ON (II): battery voltage

BLK/RED

INJ5 (No. 5 INJECTOR)

Drives No. 5 injector

YEL

INJ4 (No. 4 INJECTOR)

Drives No. 4 injector

BLU

INJ3 (No. 3 INJECTOR)

Drives No. 3 injector

RED

INJ2 (No. 2 INJECTOR)

Drives No. 2 injector

WHT/BLU

INJ6 (No. 6 INJECTOR)

Drives No. 6 injector

BRN/WHT

LSB (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B)

Drives A/T clutch pressure control solenoid valve B

With ignition switch ON (II): current controlled

BLK/RED

IGPLS5 (No. 5 IGNITION COIL PULSE)

Drives No. 5 ignition coil

With ignition switch ON (II): about 0 V
With engine running: pulses

BRN/WHT

IGPLS6 (No. 6 IGNITION COIL PULSE)

Drives No. 6 ignition coil

BLU

VSB1 (VS CELL+ BANK 1)

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

With warmed up engine running: about 3.4-4.8 V

RED/BLU

VSB2 (VS CELL+ BANK 2)

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

With warmed up engine running: about 3.4-4.8 V

RED

VCENTB1 (VIRTUAL GROUND BANK 1)

Reference voltage supply for rear A/F sensor (Bank 1, sensor 1)

With warmed up engine at idle: about 3.4-3.8 V

WHT

SHO2SB2 (FRONT SECONDARY HEATED OXYGEN SENSOR (FRONT SECONDARY HO2S) BANK 2, SENSOR 2)

Detects front secondary HO2S (Bank 2, sensor 2) signal

With throttle fully opened from idle with warmed up engine: about 0.6 V
With throttle quickly closed: below 0.4 V

RED/BLK

TPSA (THROTTLE POSITION (TP) SENSOR A)

Detects TP sensor A signal

With throttle fully open: about 3.9 V
With throttle fully closed: about 0.9 V

BLU

VCC5 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II): about 5.0 V

19⁽²⁾

WHT/BLK

IMTM (INTAKE MANIFOLD TUNING (IMT) VALVE MONITOR)

Detects IMT valve position

With ignition switch ON (II): about 5.0 V
With engine speed above 4,000 rpm: about 0 V

20⁽¹⁾

BLU/WHT

VTPSW (ROCKER ARM OIL PRESSURE SWITCH)

Detects rocker arm oil pressure switch signal

At idle: about 0 V

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): current controlled

WHT/BLU

IGPLS3 (No. 3 IGNITION COIL PULSE)

Drives No. 3 ignition coil

With ignition switch ON (II): about 0 V
With engine running: pulses

BRN

IGPLS4 (No. 4 IGNITION COIL PULSE)

Drives No. 4 ignition coil

RED/WHT

VCENTB2 (VIRTUAL GROUND BANK 2)

Reference voltage supply for front A/F sensor (Bank 2, sensor 1)

With warmed up engine at idle: about 3.4-4.8 V

GRN

SHO2SB1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) BANK 1, SENSOR 2)

Detects rear secondary HO2S (Bank 1, sensor 2) signal

With throttle fully opened from idle with warmed up engine: about 0.6 V
With throttle quickly closed: below 0.4 V

RED/BLU

TPSB (THROTTLE POSITION (TP) SENSOR B)

Detects TP sensor B signal

With throttle fully open: about 4.1 V
With throttle fully closed: about 1.7 V

YEL/GRN

IGPLS1 (No. 1 IGNITION COIL PULSE)

Drives No. 1 ignition coil

With ignition switch ON (II): about 0 V
With engine running: pulses

BLU/RED

IGPLS2 (No. 2 IGNITION COIL PULSE)

Drives No. 2 ignition coil

GRN

IPB1 (IP CELL+ BANK 1)

Detects rear A/F sensor (Bank 1, sensor 1) pump cell

With engine running: about 2.0-5.6 V

GRN/RED

IPB2 (IP CELL+ BANK 2)

Detects front A/F sensor (Bank 2, sensor 1) pump cell

With engine running: about 2.0-5.6 V

GRN

SG5 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

GRN/WHT

SG1 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

GRN/RED

MAP (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR)

Detects MAP sensor signal

With ignition switch ON (II): about 3.0 V
At idle: about 1.0 V (depending on engine speed)

YEL/RED

VCC1 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II): about 5.0 V

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: pulses

BLU

NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR)

Detects output shaft (countershaft) speed sensor signal

With ignition switch ON (II): about 0 V or 5.0 V with driving: pulses

39⁽¹⁾

GRN/YEL

VTS (ROCKER ARM OIL CONTROL SOLENOID)

Drives rocker arm oil control solenoid

At idle: about 0 V

39⁽²⁾

GRN/YEL

CSS (ROCKER ARM OIL CONTROL SOLENOID)

Drives rocker arm oil control solenoid

With ignition switch ON (II) or at idle: about 0 V

BLK

PG1 (POWER GROUND)

Ground circuit for PCM

Less than 0.2 V at all times

BRN/YEL

LG2 (LOGIC GROUND)

Ground circuit for PCM

Less than 0.2 V at all times

BLK/YEL

IG1 (IGNITION SIGNAL)

Detects ignition signal

With ignition switch ON (II): battery voltage

44⁽¹⁾, ⁽²⁾

BLU/RED

CKPB (CRANKSHAFT POSITION (CKP) SENSOR B)

Detects CKP sensor B signal

With engine running: pulses

45⁽¹⁾, ⁽²⁾

BLU

CKPA (CRANKSHAFT POSITION (CKP) SENSOR A)

Detects CKP sensor A signal

With engine running: pulses

YEL

CMP (CAMSHAFT POSITION (CMP) SENSOR)

Detects CMP sensor signal

With engine running: pulses

⁽¹⁾	J35A6 engine

⁽²⁾	J35A7 engine