PCM Connector for Inputs and Outputs (L4) - Honda Accord CR/CT 2012-2017

PCM Connector for Inputs and Outputs

Terminal number

Wire color

Terminal name

Description

Signal

RED

F CAN-L (CAN COMMUNICATION SIGNAL HIGH)

Sends and receives communication signal

With ignition switch ON (II)/vehicle in ON mode: pulses

WHT

F CAN-H (CAN COMMUNICATION SIGNAL LOW)

Sends and receives communication signal

With ignition switch ON (II)/vehicle in ON mode: pulses

ORN

FI MAIN RLY CL- (PGM-FI MAIN RELAY 1)

Drives PGM-FI main relay 1

With ignition switch ON (II)/vehicle in ON mode: about 0 V
With ignition switch in LOCK (0)/vehicle in OFF mode: battery voltage

YEL

IG1 FUEL PUMP (IGNITION SIGNAL)

Detects ignition signal

With ignition switch ON (II)/vehicle in ON mode: battery voltage

BRN

FI MAIN RLY OUT (POWER SOURCE)

Power source for PCM

With ignition switch ON (II)/vehicle in ON mode: battery voltage

PUR

INJ RLY OUT (INJECTOR POWER SOURCE)

Power source for PCM (injector driver)

With ignition switch ON (II)/vehicle in ON mode: battery voltage

PUR

INJ RLY OUT (INJECTOR POWER SOURCE)

Power source for PCM (injector driver)

With ignition switch ON (II)/vehicle in ON mode: battery voltage

Not used

WHT

FAN LO SIGNAL (RADIATOR FAN CONTROL)

Drives A/C condenser fan relay

With condenser fan running: about 0 V
With condenser fan stopped: battery voltage

YEL

FAN HI SIGNAL (RADIATOR FAN CONTROL)

Drives radiator fan relay

With radiator fan running at high speed: about 0 V
With radiator fan stopped or running at low speed: battery voltage

11^*1

LT BLU

IG1 MISS SOL (POWER SOURCE FOR SOLENOID VALVES)

Power source for solenoid valves

With ignition switch ON (II)/vehicle in ON mode: battery voltage

12^*2

LT GRN

REVERSE LOCK SOL (REVERSE LOCKOUT SOLENOID)

Drives reverse lockout solenoid

Vehicle speed is more than 12.4 mph (20 km/h): about 0 V
Vehicle speed is less than 9.3 mph (15 km/h): battery voltage

12^*1

PNK

SHIFT LOCK SOL (SHIFT LOCK SOLENOID)

Drives shift lock solenoid

With ignition switch ON (II)/vehicle in ON mode, in P, brake pedal pressed, and accelerator pedal released: about 0 V

PUR

A/C MG CLUTCH RLY CL- (A/C COMPRESSOR CLUTCH RELAY)

Drives A/C compressor clutch relay

With compressor ON: about 0 V
With compressor OFF: battery voltage

GRY

FUEL PUMP RLY CL- (IMMOBILIZER FUEL PUMP RELAY)

Drives PGM-FI main relay 2

0 V for 2 seconds after turning ignition switch ON (II) or pressing the engine start/stop button to select the ON mode, then battery voltage

LT GRN

INJ RLY CL- (INJECTOR DRIVER RELAY)

Drives injector driver relay

With ignition switch ON (II)/vehicle in ON mode: about 0 V

PNK

FI SUB RLY CL- (PGM-FI SUBRELAY)

Drives PGM-FI subrelay

With ignition switch ON (II)/vehicle in ON mode: about 0 V

17^*3

RED

VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE)

Drives EVAP canister vent shut valve

With ignition switch ON (II)/vehicle in ON mode: battery voltage

Not used

WHT

DBW RLY CL- (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY)

Drives electronic throttle control system (ETCS) control relay

With ignition switch ON (II)/vehicle in ON mode: about 0 V

20^*1

RED

PADDLE SW DOWN (PADDLE SHIFTER - (DOWNSHIFT SWITCH))

Detects paddle shifter - (downshift switch) signal

With ignition switch ON (II)/vehicle in ON mode:

	Paddle shifter - (downshift switch) pressed: about 0 V
	Paddle shifter - (downshift switch) released: battery voltage

GRY

S-NET (SERIAL COMMUNICATION FOR IMMOBILIZER)

Sends and receives communication signal

With ignition switch ON (II)/vehicle in ON mode: pulses

Not used

ORN

BKSWNC (BRAKE PEDAL POSITION SWITCH)

Detects brake pedal position switch signal

With ignition switch ON (II)/vehicle in ON mode and brake pedal released: battery voltage
With ignition switch ON (II)/vehicle in ON mode and brake pedal pressed: about 0 V

RED

VSP (VEHICLE SPEED SIGNAL OUTPUT)

Sends vehicle speed signal

Depending on vehicle speed: pulses

PUR

NEP (ENGINE SPEED PULSE)

Outputs engine speed pulse

With engine running: pulses

Not used

BLU

SG6 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

BRN

VCC6 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II)/vehicle in ON mode: about 5.0 V

BLU

SG4 (SENSOR GROUND)

Less than 0.2 V at all times

GRY

VCC4 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II)/vehicle in ON mode: about 5.0 V

Not used

33^*4

GRN

ST CUT RLY1 CL- (STARTER CUT RELAY 1)

Drives starter cut relay 1

With vehicle in ON mode: about 0 V

34^*4

BRN

ST CUT RLY2 CL- (STARTER CUT RELAY 2)

Drives starter cut relay 2

With vehicle in ON mode: about 0 V

Not used

LT GRN

STOP SW (BRAKE PEDAL POSITION SWITCH)

Detects brake pedal position switch signal

With brake pedal released: about 0 V
With brake pedal pressed: battery voltage

WHT

APS2 (ACCELERATOR PEDAL POSITION (APP) SENSOR B)

Detects APP sensor B signal

With ignition switch ON (II)/vehicle in ON mode and accelerator pedal pressed: about 2.3 V
With ignition switch ON (II)/vehicle in ON mode and accelerator pedal released: about 0.5 V

GRN

SG5 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

BRN

VCC5 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II)/vehicle in ON mode: about 5.0 V

RED

PD SENSOR (A/C PRESSURE SENSOR)

Detects A/C pressure sensor signal

With A/C switch ON: about 1.0?4.8 V (depending on A/C pressure)

42^*3

LT GRN

PTANK (FUEL TANK PRESSURE (FTP) SENSOR)

Detects FTP sensor signal

With ignition switch ON (II)/vehicle in ON mode and fuel fill cap removed: about 2.5 V

LT BLU

TW2 SENSOR (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2)

Detects ECT sensor 2 signal

With ignition switch ON (II)/vehicle in ON mode: about 0.1?4.8 V (depending on engine coolant temperature)

Not used

YEL

APS1 (ACCELERATOR PEDAL POSITION (APP) SENSOR A)

Detects APP sensor A signal

With ignition switch ON (II)/vehicle in ON mode and accelerator pedal pressed: about 4.7 V
With ignition switch ON (II)/vehicle in ON mode and accelerator pedal released: about 1.0 V

WHT

ELD (ELECTRICAL LOAD DETECTOR (ELD))

Detects ELD signal

With ignition switch ON (II)/vehicle in ON mode: about 0.1?4.8 V (depending on electrical load)

47^*4

PUR

ST RLY 1 TO 2 (STARTER SIGNAL LOAD)

Detects starter cut relay signal

With starter ON: battery voltage

PNK

SCS (SERVICE CHECK SIGNAL)

Detects service check signal

With service check signal shorted using the HDS: about 0 V
With service check signal opened: about 5.0 V

49^*2

BRN

CLUTCH SW(SA) (CLUTCH PEDAL POSITION SWITCH A)

Detects clutch pedal position switch A signal

With ignition switch ON (II)/vehicle in ON mode and clutch pedal pressed: battery voltage
With ignition switch ON (II)/vehicle in ON mode and clutch pedal released: about 0 V

49^*1

LT GRN

PADDLE SW UP (PADDLE SHIFTER + (UPSHIFT SWITCH))

Detects paddle shifter + (upshift switch) signal

With ignition switch ON (II)/vehicle in ON mode:

	Paddle shifter + (upshift switch) pressed: about 0 V
	Paddle shifter + (upshift switch) released: battery voltage

50^*2

PNK

CLUTCH SW(CRUISE) (CLUTCH PEDAL POSITION SWITCH B)

Detects clutch pedal position switch B signal

With ignition switch ON (II)/vehicle in ON mode and clutch pedal pressed: battery voltage
With ignition switch ON (II)/vehicle in ON mode and clutch pedal released: about 0 V

51^*4

LT BLU

STC (STARTER SWITCH SIGNAL)

Detects starter switch signal

With vehicle in START mode: battery voltage
With vehicle in other than START mode: about 0 V

*1: CVT
*2: M/T
*3: USA and Canada models
*4: With keyless access

Terminal number	Wire color	Terminal name	Description	Signal
1	BLK	INJ H1 (No. 1 INJECTOR +)	Drives No. 1 injector	With ignition switch ON (II)/vehicle in ON mode: about 3.2 V
2	WHT	INJ L1 (No. 1 INJECTOR -)	Drives No. 1 injector
3	PNK	INJ H4 (No. 4 INJECTOR +)	Drives No. 4 injector
4	PUR	INJ L4 (No. 4 INJECTOR -)	Drives No. 4 injector
5	BLU	INJ H2 (No. 2 INJECTOR +)	Drives No. 2 injector
6	YEL	INJ L2 (No. 2 INJECTOR -)	Drives No. 2 injector
7	RED	INJ H3 (No. 3 INJECTOR +)	Drives No. 3 injector
8	GRN	INJ L3 (No. 3 INJECTOR -)	Drives No. 3 injector
9	BLK	GND INJ 1 (INJECTOR GROUND)	Ground for PCM (injector driver)	Less than 0.2 V at all times
10	BLK	GND INJ 2 (INJECTOR GROUND)	Ground for PCM (injector driver)	Less than 0.2 V at all times
11	BLK	GND1 (PCM GROUND)	Ground for PCM	Less than 0.2 V at all times
12	BLK	GND2 (PCM GROUND)	Ground for PCM	Less than 0.2 V at all times
13	Not used	Not used
14	Not used	Not used
15	YEL/BLU	PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE)	Drives EVAP canister purge valve	With engine running, engine coolant below 131 °F (55 °C): battery voltage With engine running, engine coolant above 131 °F (55 °C): duty controlled
16	Not used	Not used
17	Not used	Not used
18	PNK	VTS (ROCKER ARM OIL CONTROL SOLENOID)	Drives rocker arm oil control solenoid	At idle: about 0 V
19	Not used	Not used
20	Not used	Not used
21^*1	BLU/BLK	VTM (ROCKER ARM OIL PRESSURE SWITCH)	Detects rocker arm oil pressure switch signal	With ignition switch ON (II)/vehicle in ON mode or at idle: battery voltage
22	Not used	Not used
23	Not used	Not used
24	WHT	IGNO1 (No. 1 IGNITION COIL PULSE)	Drives No. 1 ignition coil	With ignition switch ON (II)/vehicle in ON mode: about 0 V With engine running: pulses
25	PUR	IGNO2 (No. 2 IGNITION COIL PULSE)	Drives No. 2 ignition coil
26	BLU	IGNO3 (No. 3 IGNITION COIL PULSE)	Drives No. 3 ignition coil
27	LT BLU	IGNO4 (No. 4 IGNITION COIL PULSE)	Drives No. 4 ignition coil
28	Not used	Not used
29	Not used	Not used
30	LT GRN	TDC (CAMSHAFT POSITION (CMP) SENSOR B)	Detects CMP sensor B signal	With engine running: pulses
31	Not used	Not used
32	RED	VGP (MASS AIR FLOW (MAF) SENSOR +SIDE)	Detects MAF sensor signal	At idle with warmed up engine and no electrical load: about 1.1?1.6 V (between VGP terminal and VGM terminal)
33	RED/BLU	VGM (MASS AIR FLOW (MAF) SENSOR -SIDE)	Ground for MAF sensor	Ground for MAF sensor signal
34	YEL/RED	ENG OP SW (OIL PRESSURE SWITCH)	Detects engine oil pressure signal	With ignition switch ON (II)/vehicle in ON mode: battery voltage With engine running: about 0 V
35	Not used	Not used
36	Not used	Not used
37	Not used	Not used
38	BLU/YEL	CRKN (CRANKSHAFT POSITION (CKP) SENSOR)	Detects CKP sensor signal	With engine running: pulses
39	WHT	CAM (CAMSHAFT POSITION (CMP) SENSOR A)	Detects CMP sensor signal	With engine running: pulses
40	YEL	LIN (LOCAL INTERCONNECT NETWORK)	Sends and receives communication signal	With ignition switch ON (II)/vehicle in ON mode: pulses
41	Not used	Not used
42	Not used	Not used
43	Not used	Not used
44	BLU/YEL	MCS (ENGINE MOUNT CONTROL SOLENOID VALVE)	Drives engine mount control solenoid valve	At idle: about 0 V Above idle: battery voltage
45	Not used	Not used
46	RED/BLK	THL1 (THROTTLE POSITION (TP) SENSOR A)	Detects TP sensor A signal	With ignition switch ON (II)/vehicle in ON mode and accelerator pedal pressed: about 3.9 V With ignition switch ON (II)/vehicle in ON mode and accelerator pedal released: about 0.9 V
47	RED/BLU	THL2 (THROTTLE POSITION (TP) SENSOR B)	Detects TP sensor B signal	With ignition switch ON (II)/vehicle in ON mode and accelerator pedal pressed: about 4.1 V With ignition switch ON (II)/vehicle in ON mode and accelerator pedal released: about 1.7 V
48	BLU	VCC3(DBW) (SENSOR VOLTAGE)	Provides sensor reference voltage	With ignition switch ON (II)/vehicle in ON mode: about 5.0 V
49	GRN	SG3(DBW)	Sensor ground	Less than 0.2 V at all times
50	PNK	TW (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1)	Detects ECT sensor 1 signal	With ignition switch ON (II)/vehicle in ON mode: about 0.1?4.8 V (depending on engine coolant temperature)
51	YEL	TA (INTAKE AIR TEMPERATURE (IAT) SENSOR)	Detects IAT sensor signal	With ignition switch ON (II)/vehicle in ON mode: about 0.1?4.8 V (depending on intake air temperature)

*1: USA and Canada models

Terminal number

Wire color

Terminal name

Description

Signal

BLK

PGM (POWER GROUND ETCS)

Ground for PCM

Less than 0.2 V at all times

YEL/GRN

VBDBW (IGNITION SIGNAL ETCS)

Detects ignition signal

With ignition switch ON (II)/vehicle in ON mode: battery voltage

3^*1

BLU/BLK

LCLS (CVT LOCK-UP CLUTCH CONTROL SOLENOID VALVE)

Drives CVT lock-up clutch control solenoid valve

With ignition switch ON (II)/vehicle in ON mode: duty controlled

4^*1

BRN

DR LS (CVT DRIVE PULLEY PRESSURE CONTROL SOLENOID VALVE)

Drives CVT drive pulley pressure control solenoid valve

With ignition switch ON (II)/vehicle in ON mode: pulses

5^*1

RED/BLK

CPC LS (CVT CLUTCH PRESSURE CONTROL SOLENOID VALVE)

Drives CVT clutch pressure control solenoid valve

With ignition switch ON (II)/vehicle in ON mode: duty controlled

RED

VTC (VTC OIL CONTROL SOLENOID VALVE)

Drives VTC oil control solenoid valve

With ignition switch ON (II)/vehicle in ON mode: about 0 V

GRN

AFHT (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) HEATER CONTROL)

Drives A/F sensor (sensor 1) heater

With ignition switch ON (II)/vehicle in ON mode: battery voltage
With warmed up engine running: about 0 V or duty controlled

BLK

GND3 (PCM GROUND)

Ground for PCM

Less than 0.2 V at all times

BLK/WHT

SO2 HT (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) HEATER)

Drives secondary HO2S (sensor 2) heater

With ignition switch ON (II)/vehicle in ON mode: battery voltage
With warmed up engine running: duty controlled

10^*1

BLU/YEL

DN LS (CVT DRIVEN PULLEY PRESSURE CONTROL SOLENOID VALVE)

Drives CVT driven pulley pressure control solenoid valve

With ignition switch ON (II)/vehicle in ON mode: pulses

GRN/YEL

MTR1 (THROTTLE ACTUATOR -SIDE)

Ground for throttle actuator

With ignition switch ON (II)/vehicle in ON mode: about 0 V

BLU/RED

MTR2 (THROTTLE ACTUATOR +SIDE)

Drives throttle actuator

With ignition switch ON (II)/vehicle in ON mode: about 0 V

WHT

HPUMP H (HIGH PRESSURE FUEL PUMP +)

Drives high pressure fuel pump

With ignition switch ON (II)/vehicle in ON mode: about 3.0 V

BLK

HPUMP L (HIGH PRESSURE FUEL PUMP -)

Drives high pressure fuel pump

With ignition switch ON (II)/vehicle in ON mode: about 3.0 V

Not used

17^*1

BLU/BLK

SOL C (SHIFT SOLENOID VALVE O/P)

Drives shift solenoid valve O/P

With engine running:

	In D, S, L, and R at idle, high speed-rpm acceleration and deceleration: battery voltage
	In D, S, L, and R at normal driving: about 0 V
	In P and N at idle: about 0 V

Not used

19^*1

GRN/WHT

SOL B (SHIFT SOLENOID VALVE B)

Drives shift solenoid valve B

With engine running:

	In D, S, and L at normal driving: battery voltage
	In D, S, and L at idle: about 0 V
	In P, R, and N: about 0 V

Not used

21^*1

RED

NT (TORQUE CONVERTER TURBINE SPEED SENSOR SIGNAL)

Detects torque converter turbine speed sensor signal

With ignition switch ON (II)/vehicle in ON mode: about 0 V or 5.0 V

Not used

23^*1

PNK

ATP-RVS (TRANSMISSION RANGE SWITCH RVS)

Detects transmission range switch R position signal

With ignition switch ON (II)/vehicle in ON mode:

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

24^*1

PUR

ATP-N (TRANSMISSION RANGE SWITCH N)

Detects transmission range switch N position signal

With ignition switch ON (II)/vehicle in ON mode:

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

25^*1

LT GRN

ATP-D (TRANSMISSION RANGE SWITCH D)

Detects transmission range switch D position signal

With ignition switch ON (II)/vehicle in ON mode:

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

26^*1

YEL

ATP-FWD (TRANSMISSION RANGE SWITCH FWD

Detects transmission range switch FWD position signal

With ignition switch ON (II)/vehicle in ON mode:

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

27^*1

WHT

ATP-R (TRANSMISSION RANGE SWITCH R)

Detects transmission range switch R position signal

With ignition switch ON (II)/vehicle in ON mode:

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

BLK

KS GND (KNOCK SENSOR GROUND)

Sensor ground for knock sensor

Less than 0.2 V at all times

WHT

KNOCK (KNOCK SENSOR)

Detects knock sensor signal

With engine knocking: pulses

30^*1

TAN

VCC2 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II)/vehicle in ON mode: about 5.0 V

GRY

SG2 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

32^*2

RED

NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR)

Detects output shaft (countershaft) speed sensor signal

With vehicle in ON mode: about 0 V or about 5.0 V
While driving: about 2.5 V (pulses)

32^*1

WHT

VEL DD (CVT SPEED SENSOR)

Detects CVT speed sensor signal

With ignition switch ON (II)/vehicle in ON mode and when vehicle is stopped: about 0 V, or about 5.0 V
Depending on front wheel rotation: pulses

33^*1

RED

NDR DD (CVT DRIVE PULLEY SPEED SENSOR)

Detects CVT drive pulley speed sensor signal

With ignition switch ON (II)/vehicle in ON mode: about 0 V, or about 5.0 V
With engine idling in N, depending on front wheel rotation: pulses (about 2.5 V)

34^*1

BLU

ATP-P (TRANSMISSION RANGE SWITCH P)

Detects transmission range switch P position signal

With ignition switch ON (II)/vehicle in ON mode:

	In P: about 0 V
	In any position other than P: more than 5.0 V

Not used

37^*1

RED/YEL

TATF (ATF TEMPERATURE SENSOR)

With ignition switch ON (II)/vehicle in ON mode: about 0.2?4.8 V (about 1.8 V with warmed up engine, depending on transmission fluid temperature)

WHT

SO2 (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2))

Detects secondary HO2S (sensor 2) signal

With throttle fully opened from idle and warmed up engine: above 0.8 V*
While throttle quickly closed: below 0.1 V*
*: between SO2 terminal and SO2SG terninal

GRN/BLK

SO2SG (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S (SENSOR 2)) SENSOR GROUND)

Sensor ground for
secondary HO2S (sensor 2)

With ignition switch ON (II)/vehicle in ON mode: about 1.5 V

Not used

PNK

VCC1 (SENSOR VOLTAGE)

Provides sensor reference voltage

With ignition switch ON (II)/vehicle in ON mode: about 5.0 V

GRN

SG1 (SENSOR GROUND)

Sensor ground

Less than 0.2 V at all times

43^*1

TAN

ATP-S (TRANSMISSION RANGE SWITCH S)

Detects transmission range switch S position signal

With ignition switch ON (II)/vehicle in ON mode:

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

44^*1

RED

ATP-L (TRANSMISSION RANGE SWITCH L)

Detects transmission range switch L position signal

With ignition switch ON (II)/vehicle in ON mode:

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

PUR

PB (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR)

Detects MAP sensor signal

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

PUR

PF (FUEL PRESSURE SENSOR)

Detects fuel pressure sensor signal

With ignition switch ON (II)/vehicle in ON mode: about 0.5 V
At idle: about 1.1 V

RED/YEL

AFS- (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) -SIDE)

Detects A/F sensor (sensor 1) signal

At idle: about 1.8 V

RED

AFS+ (AIR FUEL RATIO (A/F) SENSOR (SENSOR 1) +SIDE)

Detects A/F sensor (sensor 1) signal

At idle: about 2.2 V

49^*1

BLU

PDN (CVT DRIVEN PULLEY PRESSURE SENSOR)

Detects CVT driven pulley pressure sensor signal

Driven pulley fluid pressure 0 kPa: about 0.5 V
Driven pulley fluid pressure 2,000 kPa: about 4.5 V

Not used

*1: CVT
*2: M/T