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 MANUALSCHEVROLET2000CAB & CHASSIS C2500, 6.5 F, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 787 (ENGINE CONTROL SYSTEM)
2000 Chevrolet Cab & Chassis C2500, 6.5 F, Automatic
Section 787 (Engine Control System)
2000 Chevrolet Cab & Chassis C2500, 6.5 F, AutomaticSECTION Section 787 (Engine Control System)
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Control System Location Index
- Control System Diagram
- Control System Wiring Diagram
- Pcm Removal/Installation
- Pcm Inspection
- Without Using the SST
- Inspection Using An Oscilloscope (Reference)
- Shift solenoid A signal
- Shift solenoid B signal
- Shift solenoid C signal
- Pressure control solenoid (+) signal
- Pressure control solenoid (-) signal
- Vehicle speed signal (ATX)
- Vehicle speed signal (MTX)
- Input/turbine speed sensor (+) signal
- Input/turbine speed sensor (-) signal
- Cooling fan control signals
- APP signal
- HO2S (front) heater control signal (California emission regulation applicable model)
- HO2S (front) heater control signal (except for California emission regulation applicable model)
- CMP sensor signal
- CKP sensor signal
- OCV signal
- HO2S (front) signal (except for California emission regulation applicable model)
- Generator output voltage signal
- Purge control signal
- Generator field coil control signal
- Fuel injection control
- IGT1, IGT2, IG3, IG4 control signals
- Using SST (WDS or Equivalent)
- Pcm Configuration
- Neutral Switch Inspection
- Clutch Pedal Position (CPP) Switch Inspection
- Engine Coolant Temperature (ECT) Sensor Removal/Installation
- Engine Coolant Temperature (ECT) Sensor Inspection
- Intake Air Temperature (IAT) Sensor Inspection
- Crankshaft Position (CKP) Sensor Inspection
- Crankshaft Position (CKP) Sensor Removal/Installation
- Camshaft Position (CMP) Sensor Inspection
- Camshaft Position (CMP) Sensor Removal/Installation
- Variable Tumble Shutter Valve Switch Inspection
- Throttle Position (TP) Sensor Inspection
- Accelerator Pedal Position (App) Sensor Inspection
- Mass Air Flow (MAF) Sensor Inspection
- Heated Oxygen Sensor (Ho2S) Removal/Installation
- Front Heated Oxygen Sensor (Ho2S) Inspection
- California Emission Regulation Applicable Model
- Front HO2S current inspection
- Front HO2S heater resistance inspection
- Front HO2S circuit open/short inspection (sensor)
- Except for California Emission Regulation Applicable Model
- Front HO2S voltage inspection
- Front HO2S heater circuit open/short inspection (heater)
- Middle Heated Oxygen Sensor (Ho2S) Inspection [CALIFORNIA Emission Regulation Applicable Model]
- Rear Heated Oxygen Sensor (Ho2S) Inspection
- Manifold Absolute Pressure (Map) Sensor Inspection
- Manifold Absolute Pressure (Map) Sensor Removal/Installation
- Knock Sensor (KS) Inspection
- Knock Sensor (KS) Removal/Installation
- Barometric Pressure (BARO) Sensor Removal/Installation
- Barometric Pressure (BARO) Sensor Inspection
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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.