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 856 (Brake Control System)
WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
- Abs
- Precautions
- Preparation
- System Description
- Can Communication
- Trouble Diagnosis
- How To Perform Trouble Diagnosis For Quick And Accurate Repair
- Component Installation Location
- Schematic - ABS -
- Wiring Diagram - ABS -
- Control Unit Input/Output Signal Standard
- CONSULT- II Functions
- For Fast And Accurate Diagnosis
- Basic Inspection
- Inspection 1 Wheel Sensor System
- Inspection 2 ABS Actuator And Electric Unit (Control Unit)
- Inspection 3 Solenoid Valve System
- Inspection 4 CAN Communication Lines
- Inspection 5 Actuator Motor, Motor Relay, And Circuit
- Inspection 6 ABS Actuator And Electric Unit (Control Unit) Power Supply And Ground Circuit
- Inspection 7 G Sensor System
- Symptom 1 Excessive ABS Function Operation Frequency
- Symptom 2 Unexpected Pedal Action
- Symptom 3 Long Stopping Distance
- Symptom 4 ABS Function Does Not Operate
- Symptom 5 Pedal Vibration Or ABS Operation Sound Occurs
- Wheel Sensors
- Sensor Rotor
- Actuator And Electric Unit (Assembly)
- VDC/TCS/Abs
- Precautions
- Preparation
- On-Vehicle Service
- System Description
- Can Communication
- Trouble Diagnosis
- How To Perform Trouble Diagnosis For Quick And Accurate Repair
- Component Installation Location
- Schematic
- Wiring Diagram - VDC -
- Control Unit Input/Output Signal Standard
- CONSULT-II Functions
- For Fast And Accurate Diagnosis
- On And Off Timing For ABS Warning Lamp, VDC OFF Indicator Lamp, And Slip Indicator Lamp
- Basic Inspection
- Inspection 1 Wheel Sensor System
- Inspection 2 Engine System
- Inspection 3 VDC/TCS/ABS Control Unit System
- Inspection 4 Pressure Sensor System
- Inspection 5 Steering Angle Sensor System
- Inspection 6 Yaw Rate/Side/Decel G Sensor System
- Inspection 7 Solenoid and VDC Change-Over Valve System
- Inspection 8 Actuator Motor, Motor Relay, And Circuit
- Inspection 9 ABS Actuator And Electric Unit (Control Unit) Power Supply And Ground Circuit
- Inspection 10 Stop Lamp Switch System
- Inspection 11 Brake Fluid Level Sensor System
- Inspection 12 When ST ANG SEN Signal Appears On Self-Diagnosis Results Display
- Inspection 13 CAN Communication System
- Inspection 14 When DECEL G SEN SET Appears On Self-Diagnosis Results Display
- Inspection 15 When ESTM VEH SPD SIG Appears On Self-Diagnosis Results Display
- Inspection 16 VDC OFF Indicator Lamp Does Not Illuminate.
- Component Inspection
- Symptom 1 Excessive ABS Function Operation Frequency
- Symptom 2 Unexpected Pedal Reaction
- Symptom 3 The Braking Distance Is Long
- Symptom 4 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
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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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