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.
1997 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System DTCS
ANTI-LOCK BRAKE SYSTEM DTCS
| OEM Code | Description |
|---|---|
| 11 | OPEN OR SHORT TO GROUND IN ABS SOLENOID RELAY CIRCUIT |
| 12 | SHORT TO BATTERY VOLTAGE IN ABS SOLENOID RELAY CIRCUIT |
| 13 | OPEN OR SHORT TO GROUND IN ABS MOTOR RELAY CIRCUIT |
| 14 | SHORT TO BATTERY VOLTAGE IN ABS MOTOR RELAY CIRCUIT |
| 21 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT RIGHT FRONT) |
| 22 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT (LEFT FRONT) |
| 23 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT |
| 23 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT (REAR OR RIGHT REAR) |
| 24 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT |
| 24 | OPEN OR SHORT IN ABS ACTUATOR SOLENOID CIRCUIT - TRACTION CONTROL ONLY (LEFT REAR) |
| 25 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1997 LS400) |
| 25 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1998 LS400) |
| 26 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1997 LS400) |
| 26 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1998 LS400) |
| 27 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1997 LS400) |
| 27 | OPEN OR SHORT IN TRAC ACTUATOR SOLENOID CIRCUIT (1998 LS400) |
| 41 | LOW BATTERY VOLTAGE |
| 49 | STOPLIGHT SWITCH CIRCUIT |
| 51 | ABS PUMP MOTOR LOCK |
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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