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.
1994 Acura Integra GS-R, 2D CoupeFACTORY OEM SERVICE PROCEDURE
Control Unit Trouble Codes
CONTROL UNIT TROUBLE CODES
| Code | System Affected |
|---|---|
| 1 | Pump Motor |
| 1-2 | Pump Motor Circuit |
| 1-3 | High Pressure Leakage |
| 1-4 | Pressure Switch |
| 1-8 | Accumulator Gas Leakage |
| 2-1 | Parking Brake Switch |
| 3-1 To 3-8 | Pulser(s) |
| 3-12 | Different Diameter Tire Used |
| 4-1 To 4-8 | Wheel Speed Sensor(s) |
| 5-4 & 5-8 | Rear Wheel Lock(s) |
| 6 | Front & Rear Fail-Safe Relays |
| 6-1 | Front Fail-Safe Relay |
| 6-4 | Rear Fail-Safe Relay |
| 7-1 & 7-2 | Front Solenoid(s) Circuit |
| 7-4 | Rear Solenoid Circuit |
| 8-1 | ABS Function |
| 8-2 | CPU Comparison |
| 8-1 | Integrated Circuit |
NOTE:
Use only high impedance Digital Volt-Ohmmeter (DVOM) for testing.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.