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.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 211 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.2L - INTRODUCTION (2 OF 2))COMPONENT LOCATORPOWERTRAIN CONTROL MODULE CONNECTORSPOWERTRAIN CONTROL MODULE (PCM) C1
2006 Isuzu Ascender S, 5.3 M, 4WD
Powertrain Control Module (PCM) C1
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Powertrain Control Module (PCM) C1
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) C1 Connector End Views
Connector Part Information
|
Terminal Part Information
|
Powertrain Control Module (PCM) C1
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-2 | - | - | Not Used |
| 3 | GY/BK | 1694 | 4WD Low Signal (NP8) |
| 4-5 | - | - | Not Used |
| 6 | D-GN/WH | 459 | A/C Compressor Clutch Relay Control |
| 7 | BN | 1271 | Low Reference |
| 8 | PU | 1272 | Low Reference |
| 9-10 | - | - | Not Used |
| 11 | GY/BK | 87 | Cruise Control Resume/Accel Switch Signal (K34) |
| 12 | PU | 1589 | Fuel Level Sensor Signal |
| 13 | PK | 839 | Ignition 1 Voltage |
| 14-15 | - | - | Not Used |
| 16 | D-GN | 1049 | PCM Class 2 Serial Data |
| 17 | GY | 2700 | 5-Volt Reference |
| 18 | PK | 1020 | Ignition 0 Voltage |
| 19 | PK | 439 | Ignition 1 Voltage |
| 20 | OG | 440 | Battery Positive Voltage |
| 21 | D-GN/WH | 817 | Vehicle Speed Signal |
| 22 | WH | 1310 | EVAP Canister Vent Solenoid Control |
| 23 | D-BU | 2364 | Cooling Fan Speed Signal |
| 24 | D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| 25 | - | - | Not Used |
| 26 | RD/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
| 27 | D-BU | 1161 | APP Sensor 1 Signal |
| 28 | D-BU | 84 | Cruise Control Set/Coast Switch Signal (K34) |
| 29 | OG/BK | 510 | Low Reference |
| 30 | WH/BK | 1164 | 5-Volt Reference |
| 31 | WH | 121 | Engine Speed Signal |
| 32 | L-BU | 1320 | CHMSL Supply Voltage/Stop Lamp Supply Voltage (K34) |
| 33 | - | - | Not Used |
| 34 | BN | 436 | AIR Pump Relay Control (K18) |
| 35-36 | - | - | Not Used |
| 37 | D-GN/WH | 465 | Fuel Pump Relay Control |
| 38 | YE | 5991 | Powertrain Relay Coil Control |
| 39 | - | - | Not Used |
| 40 | BN/WH | 419 | MIL Control |
| 41 | L-BU | 1162 | APP Sensor 2 Signal |
| 42 | - | - | Not Used |
| 43 | TN | 1274 | 5-Volt Reference |
| 44-45 | - | - | Not Used |
| 46 | PU | 420 | TCC Brake Switch/Cruise Control Release Signal |
| 47 | GY | 2709 | 5-Volt Reference |
| 48 | YE/BK | 625 | Starter Enable Relay Control |
| 49 | GY | 397 | Cruise Control On Switch Signal (K34) |
| 50 | PU | 806 | Crank Voltage |
| 51 | WH/BK | 2366 | Cooling Fan Clutch Control |
| 52-53 | - | - | Not Used |
| 54 | D-GN | 1433 | PNP/Clutch Start Switch Signal |
| 55 | BK | 2759 | Low Reference |
| 56 | BK | 2751 | Low Reference |
RENDER: 1.0x
NO RELATED
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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.