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 MANUALSCHEVROLET1995CAVALIER LS, 2D CONVERTIBLE, 2.2 4, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSISUSING TECH 1SELECTING TEST MODE
1995 Chevrolet Cavalier LS, 2D Convertible, 2.2 4, Standard
Selecting Test Mode
1995 Chevrolet Cavalier LS, 2D Convertible, 2.2 4, StandardSECTION Selecting Test Mode
Following test modes are available for diagnosing ABS:
- Mode F0 (Data List) Mode displays actual reading sent to EBCM by each wheel speed sensor. While vehicle is driven, wheel speed information can be observed to determine if readings are comparable to actual vehicle speed. Stoplight switch status can be observed by depressing brake pedal. This mode also monitors other inputs and outputs.
- Mode F1 (DTC History) Mode displays trouble code history data. Data includes number of ignition cycles since trouble code occurred along with other information. First 5 trouble codes set and last code set are included in ABS history data.
- Mode F2 (Diagnostic Trouble Codes) Mode displays ABS Diagnostic Trouble Codes (DTC) stored by EBCM. Tech 1 will display any code and brief description of code displayed. If no codes are stored, Tech 1 will display NO ABS CODES.
- Mode F3 (ABS Snapshot) Mode helps isolate intermittent problems by capturing data before and after fault occurred. By selecting AUTO TRIGGER, Tech 1 will wait for ENTER to be pressed before storing snapshot information. All stored information can be displayed and examined for conditions that may indicate problem.
- Mode F4 (ABS Test) In this mode, Tech 1 performs various ABS functional tests to help isolate problems during trouble shooting.
- Mode F5 (Motor Rehome) Mode is used for manual control of hydraulic modulator motors. Tech 1 commands the EBCM to rehome the motors in ABS motor pack, which is used before brakes are bled.
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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.