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 MANUALSCHEVROLET1996CORVETTE BASE, 2D COUPE, 5.7 PREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSCENTRAL CONTROL MODULESELF-DIAGNOSTIC SYSTEMCCM FUNCTIONSDISPLAYING CCM DATA
1996 Chevrolet Corvette Base, 2D Coupe, 5.7 P
Displaying CCM Data
1996 Chevrolet Corvette Base, 2D Coupe, 5.7 PSECTION Displaying CCM Data
- CCM can display data used to determine control decisions. Data may be useful in determining if a system is properly operating and/or sending correct data to CCM.
- To enter display CCM data function, press TRIP/ODO (next test) button on DIC until "1.2" displays on trip monitor. Press ENG/MET (next value) button until identifying number for data value is displayed in the first 2 digits of odometer. See CCM DATA IDENTIFICATION NUMBER table. Press FUEL INFO (previous value) button to go backward in the list.
- Data value is displayed in the last 3 digits of odometer. Data values are different for each system data. See CCM DATA IDENTIFICATION NUMBER table.
CCM DATA IDENTIFICATION NUMBER
| Data ID No. | Data (Value) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 01 | Fuel Level (Gallons, Tenths) | ||||||||
| 02 (1) | Dimming Potentiometer (A/D Counts) | ||||||||
| 03 | Ambient Light Sensor (A/D Counts) | ||||||||
| 04 (2) | Rear Defogger Timer (Seconds) | ||||||||
| 05 | Vehicle Speed (MPH) | ||||||||
| 06 | PASS-Key(R) (A/D Counts) | ||||||||
| 07 | Ignition Voltage (Volts, Tenths) | ||||||||
| 08 | Switched Battery Voltage (Volts, Tenths) | ||||||||
| 09 | Cluster Incandescent Light Dimming PWM (0-100%) | ||||||||
| 10 | Cluster LCD Backlight Lights Dimming PWM (0-100%) | ||||||||
| 11 | Radio & Climate Control LCD Backlight | ||||||||
| 11 | Lights Dimming PWM (0-100%) | ||||||||
| 12 | LED Dimming PWM (0-100%) | ||||||||
| 13 | Vehicle Configuration | ||||||||
| 14 | Vehicle Configuration | ||||||||
| 15 (3) | Oil Monitor Effective Revolution | ||||||||
| 15 (3) | (100,000 Revolutions Per Count) | ||||||||
| 16 (4) | CCM Software Version | ||||||||
|
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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.