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.
2003 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake DTCS
ANTI-LOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| C1145, C1155, C1165, C1175 | ABS WHEEL-SPEED SENSOR |
| C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 | ABS WHEEL-SPEED SENSOR/SENSOR ROTOR |
| C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254 | PRESSURE REDUCTION/RETENTION SOLENOID VALVE |
| C1140 | ABS HU/CM PUMP |
| C1510, C1511, C1512, C1513 | SOLENOID VALVE, ABS MOTOR OR ABS WHEEL-SPEED SENSOR/SENSOR ROTOR |
| C1186, C1266 | FAIL-SAFE RELAY |
| C1095/C1096 | MOTOR RELAY, ABS MOTOR |
| B1342 | ABS/TCS HU/CM (W/TCS) OR ABS HU/CM (W/O TCS) |
| B1318 | ABS HU/CM POWER SUPPLY |
| C1117 | ENGINE CONTROL SYSTEM, ENGINE SPEED SIGNAL LINE |
| C1118 | ENGINE CONTROL SYSTEM, TORQUE REDUCTION REQUEST SIGNAL LINE |
| C1119 | TORQUE REDUCTION INHIBIT SIGNAL LINE |
| U2021 | ENGINE COOLANT TEMPERATURE IS 0°C (32°F) OR LESS |
Factory Service Tools
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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.
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