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.
1996 Lexus LX 450FACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System DTCS
ANTI-LOCK BRAKE SYSTEM DTCS
| OEM Code | Description |
|---|---|
| 11 | Open in Solenoid Relay Circuit |
| 12 | Short in Solenoid Relay Circuit |
| 13 | Open in Pump Motor Relay Circuit |
| 14 | Short in Pump Motor Relay Circuit |
| 21 | Open or Short Circuit in Solenoid For Right Front Wheel |
| 22 | Open or Short Circuit in Solenoid For Left Front Wheel |
| 23 | Open or Short Circuit in Solenoid For Rear Wheel |
| 31 | Malfunction of Right Front Wheel Speed Sensor Signal |
| 32 | Malfunction of Left Front Wheel Speed Sensor Signal |
| 33 | Malfunction of Right Rear Wheel Speed Sensor Signal |
| 34 | Malfunction of Left Rear Wheel Speed Sensor Signal |
| 35 | Open in Left Front or Right Rear Wheel Speed Sensor Circuit |
| 36 | Open in Right Front or Left Rear Wheel Speed Sensor Circuit |
| 41 | Abnormally High or Low Battery Voltage |
| 43 | Malfunction in Deceleration Sensor |
| 44 | Open or Short Circuit in Deceleration Sensor |
| 48 | Open or Short Circuit in Center Differential Lock Indicator |
| 51 | Actuator Pump Motor Is Locked, or Pump Motor Circuit Is Open |
| 71 | Low Voltage of Right Front Speed Sensor Signal |
| 72 | Low Voltage of Left Front Speed Sensor Signal |
| 73 | Low Voltage of Right Rear Speed Sensor Signal |
| 74 | Low Voltage of Left Rear Speed Sensor Signal |
| 75 | Abnormal Signal From Right Front Speed Sensor |
| 76 | Abnormal Signal From Left Front Speed Sensor |
| 77 | Abnormal Signal From Right Rear Speed Sensor |
| 78 | Abnormal Signal From Left Rear Speed Sensor |
| 79 | Deceleration Sensor If Faulty |
Factory Service Tools
Use the Manual With the Right Hardware
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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.