Powertrain Control Module (PCM) Connector End Views (FWD)
WARNING: This page is about a different car, the 2005 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Back View of PCM Connector C1
| Connector Part Information |
|
|
|---|---|---|
| Pin | Wire Color | Function |
| 1 | YE | Fuel Injector 1 Control |
| 2 | BK | Fuel Injector 2 Control |
| 3 | WH | Fuel Injector 3 Control |
| 4 | BU | Fuel Injector 4 Control |
| 5 | BN | Ground |
| 6 | WH/BK | Ground |
| 7 | WH/BK | Ground |
| 8 | RD/BU | Ignition Trigger Signal Coil 1 |
| 9 | YE/GN | Ignition Trigger Signal Coil 2 |
| 10 | GY | Ignition Trigger Signal Coil 3 |
| 11 | WH | Ignition Trigger Signal Coil 4 |
| 12 | BK/YE | Camshaft Position (CMP) Actuator Solenoid Valve High Control |
| 13 | YE | Camshaft Position (CMP) Actuator Solenoid Valve Low Control |
| 14 | L-GN/BK | Fan 2 Relay Control |
| 15 | - | Not Used |
| 16 | RD | Ignition Positive Voltage |
| 17 | BK | Crank Signal |
| 18 | YE | 5-Volt Reference Circuit |
| 19 | WH | Engine Coolant Temperature (ECT) Sensor Input |
| 20 | YE/BK | Intake Air Temperature (IAT) Sensor Input |
| 21 | L-GN | Throttle Position (TP) Sensor 1 Input |
| 22-23 | - | Not Used |
| 24 | BU/YE | Ignition Fail Safe Input |
| 25-26 | - | Not Used |
| 27 | RD | EVAP Canister Vent Solenoid Valve Control |
| 28 | BN | Sensor Ground |
| 29 | BU/WH | Mass Air Flow (MAF) Sensor Signal Low |
| 30 | GN | Mass Air Flow (MAF) Sensor Signal High |
| 31 | L-GN | Throttle Position (TP) Sensor 2 Input |
| 32-33 | - | Not Used |
| 34 | BU/BK | EVAP Canister Purge Solenoid Valve Control |
| *Automatic Transmission Only | ||
Back View of PCM Connector C2
| Connector Part Information |
|
|
|---|---|---|
| Pin | Wire Color | Function |
| 1 | BK | Knock Sensor (KS) Signal High |
| 2 | WH/BK | Ground |
| 3 | WH | TAC Motor Control Low |
| 4 | L-GN | TAC Motor Control High |
| 5 | PK | Heated Oxygen Sensor (HO2S) 1 Heater Circuit Control |
| 6 | WH/BK | Ground |
| 7 | WH/BK | Heated Oxygen Sensor (HO2S) Shield Ground |
| 8 | BU/RD | Power Steering Pressure (PSP) Switch Input |
| 9 | BU | Shift Solenoid (SS) 2 Control* |
| 10 | BU/WH | Torque Converter Clutch (TCC) Control* |
| 11 | RD/YE | Shift Solenoid (SS) 1 Control* |
| 12 | PK | Line Pressure Control (PC) Solenoid Control Low* |
| 13 | RD/WH | Line Pressure Control (PC) Solenoid Control High* |
| 14-15 | - | Not Used |
| 16 | L-GN | Fan 1 Relay Control |
| 17 | GY | TAC Shield Ground |
| 18-20 | - | Not Used |
| 21 | PK/BK | Heated Oxygen Sensor (HO2S) 2 Heater Circuit Control |
| 22 | - | Not Used |
| 23 | BK | Heated Oxygen Sensor (HO2S) 1 Input |
| 24 | BK | Camshaft Position (CMP) Sensor Input |
| 25 | BK | Crankshaft Position (CKP) Sensor Input |
| 26-27 | - | Not Used |
| 28 | WH | Knock Sensor (KS) Signal Low |
| 29 | WH | Heated Oxygen Sensor (HO2S) 2 Input |
| 30 | - | Not Used |
| 31 | WH | Heated Oxygen Sensor (HO2S) 1 Low Reference |
| 32 | - | Not Used |
| 33 | WH | CMP Sensor and CKP Sensor Ground |
| 34 | - | Not Used |
| 35 | WH/BK | Ground |
| *Automatic Transmission Only | ||
Back View of PCM Connector C3
| Connector Part Information |
|
|
|---|---|---|
| Pin | Wire Color | Function |
| 1 | YE | AC Pressure Switch |
| 2 | YE/BK | AC Compressor Clutch Relay Control |
| 3-5 | - | Not Used |
| 6 | BK/RD | Throttle Actuator Control (TAC) System Ignition Voltage |
| 7 | L-GN | Overdrive (OD) Indicator Control* |
| 8 | L-GN/BK | Park Neutral Position (PNP) Switch L Position Signal* |
| 9 | L-GN | Park Neutral Position (PNP) Switch 2 Position Signal* |
| 10 | BU | Park Neutral Position (PNP) Switch D Position Signal* |
| 11 | RD/BK | Park Neutral Position (PNP) Switch R Position Signal* |
| 12 | GN/OG | Cruise Control Interrupt Circuit |
| 13 | GN/RD | Cruise Control Indicator Lamp |
| 14 | YE/RD | Engine Coolant Temperature Gage Output |
| 15-16 | - | Not Used |
| 17 | PU/WH | Vehicle Speed Sensor (VSS) Input |
| 18 | - | Not Used |
| 19 | GN/WH | Cruise Brake Switch Signal |
| 20-23 | - | Not Used |
| 24 | GN/YE | Cruise Control Switch |
| 25-27 | - | Not Used |
| 28 | YE | AC Request Signal |
| 29 | GN/BK | Overdrive (OD) Switch Signal* |
| 30-31 | - | Not Used |
| 32 | BK/BU | Evaporator Temperature Sensor Input |
| 33 | GN/WH | AC On Signal |
| 34-35 | - | Not Used |
| *Automatic Transmission Only | ||
Back View of PCM Connector C4
| Connector Part Information |
|
|
|---|---|---|
| Pin | Wire Color | Function |
| 1 | BK | Ignition Positive Voltage |
| 2 | - | Not Used |
| 3 | RD/WH | Battery Voltage |
| 4 | GY | EVAP Vacuum Leak Pump Control |
| 5 | BK | Engine Speed Output for Tachometer |
| 6-7 | - | Not Used |
| 8 | BK/WH | EFI Relay High Control |
| 9 | BK/OG | Ignition Positive Voltage |
| 10 | GN/RD | Circuit Opening Relay Control |
| 11 | RD/YE | MIL Control |
| 12 | GN | Electrical Load Idle-Up Signal, Tail Lamps |
| 13 | WH | Electrical Load Idle-Up Signal, Rear Defogger |
| 14 | YE | Supplemental Inflatable Restraint (SIR) System Signal |
| 15-16 | - | Not Used |
| 17 | RD/YE | Engine Speed Output to Brake Pressure Modulator Valve (BPMV), with Traction Control Only |
| 18 | BU/RD | Serial Data |
| 19 | PK | Brake Pressure Modulator Valve (BPMV) Serial Data |
| 20 | PK/BK | Diagnostic Request Circuit |
| 21 | BU | Fuel Tank Pressure (FTP) Sensor Input |
| 22 | GN | Accelerator Pedal Position (APP) Sensor 1 Signal |
| 23 | WH | Accelerator Pedal Position (APP) Sensor 2 Signal |
| 24 | BK/WH | EFI Signal High, with Traction Control Only |
| 25 | RD/WH | Traction Control High, with Traction Control Only |
| 26 | BK | Accelerator Pedal Position (APP) Sensor 1 Reference Voltage |
| 27 | BK | Accelerator Pedal Position (APP) Sensor 2 Reference Voltage |
| 28 | YE | Accelerator Pedal Position (APP) Sensor 1 Low Reference |
| 29 | YE | Accelerator Pedal Position (APP) Sensor 2 Low Reference |
| 30 | BU | EFI Signal Low, with Traction Control Only |
| 31 | WH | Traction Control Low, with Traction Control Only |
| *Automatic Transmission Only | ||