Powertrain Control Module (Pcm) Connector Terminal Identification (3.8L - CAMARO & Firebird)

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR TERMINAL IDENTIFICATION (3.8L - CAMARO & FIREBIRD) ⁽¹⁾

Connector

Terminal No.

Wire Color

Function

.....

Not Used

PPL/WHT

2nd Gear Start Indicator (4L60E Only)

.....

Not Used

LT GRN

1-2 Shift Solenoid Control

DK BLU

Cooling Fan High Speed Control

DK GRN

Cooling Fan Low Speed Control

BLK

Camshaft Position Sensor Signal

PPL/WHT

Crankshaft Position 3x Sensor Reference

LT BLU/BLK

Crankshaft Position 18x Sensor Reference

10 & 11

.....

Not Used

BRN

Engine Coolant Temperature Sensor Ground

ORG/BLK

Manifold Absolute Pressure Sensor Ground

ORG/BLK

TAC Serial Data

TAN

TAC Serial Data

BLK/WHT

Powertrain Control Module Ground

PPL

Intake Air Temperature Sensor Ground

.....

Not Used

PNK

Ignition Positive Voltage

ORG

Battery Positive Voltage

.....

Not Used

PNK

Transmission Range "A" Input (4L60E Only)

23-26

.....

Not Used

TAN/WHT

Heated Oxygen Sensor No. 1 Signal Low (Bank No. 1)

GRY

Heated Oxygen Sensor No. 3 Signal Low (Bank No. 1)

TAN

Heated Oxygen Sensor No. 1 Signal Low (Bank No. 2)

PPL

Torque Converter Clutch Brake Switch Signal (4L60E Only)

BLK

Sensor Ground (EGR)

GRY

EGR Valve Ground

DK BLU

Bank No. 1 Knock Sensor Signal

LT BLU

Bank No. 2 Knock Sensor Signal

35-42

.....

Not Used

YEL/BLK

Fuel Injector No. 6 Control

YEL/BLK

2-3 Shift Solenoid Control (4L60E Only)

.....

Not Used

LT BLU/BLK

Fuel Injector No. 4 Control

BLK/WHT

Fuel Injector No. 5 Control

RED/BLK

Reference Low

49-52

.....

Not Used

TAN/BLK

By-Pass Valve Control

WHT

Ignition Control

DK GRN/WHT

Vehicle Speed Sensor Output

BLK/WHT

Powertrain Control Module Ground

BLK/WHT

Powertrain Control Module Ground

.....

Not Used

DK GRN

Serial Data (Class II)

BLK/WHT

Powertrain Control Module Ground

61-63

.....

Not Used

YEL

Vehicle Speed Sensor High

PPL

Vehicle Speed Sensor Low

66-68

.....

Not Used

YEL

Mass Airflow Signal

DK BLU

Theft Deterrent Fuel Enable

ORG/BLK

Requested Torque Input

.....

Not Used

LT GRN/BLK

Fuel Injector No. 2 Control

74 & 75

.....

Not Used

DK GRN

EVAP Canister Purge Control

77 & 78

.....

Not Used

BLK

Fuel Injector No. 1 Control

.....

Not Used

.....

Not Used

WHT

EVAP Canister Vent Valve Control

DK GRN/WHT

Fuel Pump Relay Control

LT BLU

EGR Valve Control

BRN/WHT

Malfunction Indicator Light Control

6 & 7

.....

Not Used

WHT

Engine Speed Output

TAN/BLK

Delivered Torque Output

PPL

Heated Oxygen Sensor No. 1 Signal (Bank No. 2)

DK BLU

Heated Oxygen Sensor No. 3 Signal (Bank No. 1)

PPL/WHT

Heated Oxygen Sensor No. 1 Signal (Bank No. 1)

13-15

.....

Not Used

ORG/BLK

Park Neutral Position Switch Signal

RED

Transmission Range "C" Input (4L60E Only)

GRY

Cruise Control/Clutch Anticipate Switch

19 & 20

.....

Not Used

BRN/WHT

2nd Gear Start Signal

DK GRN/WHT

A/C Request Signal

PPL/WHT

Crank Signal

BRN

Cruise Control Release Signal

LT GRN

Manifold Absolute Pressure Sensor Signal

YEL

Engine Coolant Temperature Sensor Signal

RED/BLK

A/C Refrigerant Pressure Sensor Signal

BRN

EGR Pintle Position Signal

29-32

.....

Not Used

GRY

5-Volt Reference "A"

LT BLU/BLK

5-Volt Reference "B"

GRY

A/C Refrigerant Pressure Sensor Ground

36-38

.....

Not Used

DK GRN/WHT

A/C Compressor Clutch Relay Control

40 & 41

.....

Not Used

PNK/BLK

Fuel Injector No. 3 Control

43 & 44

.....

Not Used

RED/BLK

Pressure Control Solenoid High (4L60E Only)

LT BLU/WHT

Pressure Control Solenoid Low (4L60E Only)

.....

Not Used

WHT

3-2 Shift Solenoid Control (4L60E Only)

.....

Not Used

TAN

Intake Air Temperature Sensor Signal

51-54

.....

Not Used

DK GRN

Fuel Tank Pressure Sensor Signal

.....

Not Used

DK BLU

Transmission Range "B" Input (4L60E Only)

BRN

Engine Oil Level Sensor Signal

59 & 60

.....

Not Used

RED

Generator Control

62-67

.....

Not Used

YEL/BLK

Transaxle Fluid Temperature Sensor (4L60E Only)

PPL

Fuel Level Signal

70-75

.....

Not Used

DK GRN

Starter Enable (If Equipped)

.....

Not Used

BRN

TCC PWM Solenoid Control (4L60E Only)

TAN/BLK

TCC Enable Solenoid Control (4L60E Only)

.....

Not Used

⁽¹⁾	See Figure.