Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2007WAVE LT, 4D HATCHBACK, STANDARD, Y4M/MLMREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALOEM CONNECTOR END VIEWSENGINE CONTROL MODULE CONNECTOR END VIEWS (NOTCHBACK)ENGINE CONTROL MODULE (ECM) CONNECTOR END VIEW/PART INFORMATION/TERMINAL IDENTIFICATION C (MT34)
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLM
Engine Control Module (ECM) Connector End View/Part Information/Terminal Identification C (MT34)
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION Engine Control Module (ECM) Connector End View/Part Information/Terminal Identification C (MT34)
Engine Control Module (ECM) Connector End View/Part Information/Terminal Identification C (MT34)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | GY | - | 5 Volt Reference 2 |
| 2 | OG/BK | - | 5 Volt Reference |
| 3 | BN | - | Low Reference |
| 4 | L-BU | - | Low Reference |
| 5 | L-BU | - | Low Reference |
| 6 | GY | - | 5 Volt Reference 1 |
| 7-8 | - | - | Not Used |
| 9 | WH | - | Low Reference |
| 10-11 | - | - | Not Used |
| 12 | OG/BK | - | Ignition 1 Voltage |
| 13 | OG/BK | - | Ignition 1 Voltage |
| 14 | - | - | Not Used |
| 15 | L-BU | - | CPP Switch Signal (M/T) |
| 16 | - | - | Not Used |
| 17 | RD/WH | - | Battery Positive Voltage |
| 18 | RD/WH | - | Battery Positive Voltage |
| 19 | BK/WH | - | Ground |
| 20 | BK/WH | - | Ground |
| 21 | BK/WH | - | Ground |
| 22 | BK/WH | - | Ground |
| 23-24 | - | - | Not Used |
| 25 | D-GN/WH | - | A/C Request Signal |
| 26 | L-BU | - | Stop Lamp Switch Output |
| 27 | - | - | Not Used |
| 28 | PU | - | Stop Lamp Switch Output |
| 29 | D-BU | - | APP Sensor 2 Signal |
| 30 | L-BU | - | A/C Pressure Sensor Signal |
| 31 | BK/WH | - | Serial Data |
| 32 | - | - | Not Used |
| 33 | PK | - | Ignition 1 Voltage |
| 34 | D-BU | - | High Speed Cooling Fan Relay Control |
| 35 | PU/WH | - | A/C Clutch Relay Control |
| 36 | BN | - | Main Relay Control |
| 37 | YE | - | Cruise Indicator Control |
| 38 | D-GN | - | Vehicle Speed Signal (M/T) |
| 39-40 | - | - | Not Used |
| 41 | GY | - | Engine Speed Signal |
| 42 | L-GN | - | Fuel Pump Relay Control |
| 43 | GY | - | Fuel Level Sensor Signal |
| 44 | L-BU | - | APP Sensor 1 Signal |
| 45 | GY | - | Cruise Control Switch Signal |
| 46 | PU | - | CAN Serial Data High |
| 47 | BN/BK | - | Fuel Tank Pressure Sensor Signal |
| 48 | D-GN | - | Rough Road Sensor Signal w/o ABS |
| 49 | BN/WH | - | MIL Control |
| 50 | GY/D-GN | - | Low Speed Cooling Fan Relay Control |
| 51-55 | - | - | Not Used |
| 56 | D-GN | - | Engine Coolant Temperature Gauge Control |
| 57 | BN | - | Heated Oxygen Sensor (HO2S) 2 Heater Control |
| 58-60 | - | - | Not Used |
| 61 | WH | - | Fuel Gauge Control |
| 62 | BN | - | Heated Oxygen Sensor (HO2S) 2 Signal |
| 63 | YE | - | CAN Serial Data Low |
| 64 | BN | - | Rough Road Signal w/ABS |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.