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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Section 1404 (Brake Control System)
WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
- Precautions
- Preparation
- On-Vehicle Service
- System Description
- Can Communication
- Trouble Diagnosis
- DTC Descriptions
- How to Proceed with Diagnosis
- Component Installation Location
- Schematic
- Wiring Diagram - VDC -
- Control Unit Input/Output Signal Standard
- CONSULT-II Functions
- Consult-II Basic Operation Procedure
- For Fast and Accurate Diagnosis
- Basic Inspection
- Inspection 1: Wheel Sensor Circuit
- Inspection 2: Engine System
- Inspection 3: VDC/TCS/ABS Control Unit Circuit
- Inspection 4: Pressure Sensor Circuit
- Inspection 5: Steering Angle Sensor Circuit
- Inspection 6: Yaw Rate/Side G Sensor (2WD Model), Yaw Rate/Side/Decel G sensor (AWD Models) Circuit
- Inspection 7: Solenoid and VDC Change-Over Valve Circuit
- Inspection 8: Actuator Motor Circuit
- Inspection 9: ABS Actuator and Electric Unit (Control Unit) Power Supply and Ground Circuit
- Inspection 10: Stop Lamp Switch Circuit
- Inspection 11: Brake Fluid Level Switch Circuit
- Inspection 12: When "ST ANG SEN SIGNAL" Appears on Self-diagnosis Results Display
- Inspection 13: When "DECEL G SEN SET" Appears on Self-diagnostic Results Display (AWD Model)
- Inspection 14: CAN Communication Circuit
- Component Inspection
- Symptom 1: Excessive ABS Function Operation Frequency
- Symptom 2: Unexpected Pedal Reaction
- Symptom 3: The Braking Distance is Long
- Symptom 4: The ABS Function Does Not Operate
- Symptom 5: Pedal Vibration or ABS Operation Sound Occurs
- Symptom 6: Vehicle Jerks During VDC/TCS/ABS Control
- Wheel Sensors
- Sensor Rotor
- Actuator And Electric Unit (Assembly)
- G Sensor
- Steering Angle Sensor
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.
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