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.
2006 Infiniti Q45FACTORY OEM SERVICE PROCEDURE
Brake Control System
- VDC/TCS/Abs
- Precautions
- Preparation
- On-Vehicle Service
- System Description
- Trouble Diagnosis
- Fail-Safe Function
- 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 (VDC)
- Trouble Diagnosis Chart for Symptoms
- For Fast and Accurate Diagnosis
- Basic Inspection
- Trouble Diagnosis For System
- Wheel Sensor
- Engine System Control Signal
- VDC/TCS/ABS Control Unit
- Pressure Sensor
- Steering Angle Sensor
- Yaw Rate/Side G Sensor
- Solenoid and VDC Switching Valve
- Actuator Motor and Motor Relay
- Actuator Relay
- Stop Lamp Switch
- VDC/TCS/ABS Control Unit Power Supply And Ground Circuit
- Park/Neutral Position Switch
- Brake Fluid Level Switch
- VDC OFF Switch
- CAN Communication Circuit
- RAS Control Unit (With RAS)
- Inspecting Components
- Trouble Diagnosis For Symptoms
- Excessive ABS Function Operation Frequency
- Unexpected Pedal Reaction
- The Braking Distance Is Long
- The ABS Function Does Not Operate
- Pedal Vibration or ABS Operation Sound Occurs
- Vehicle Jerks During VDC/TCS/ABS Control
- ABS Warning Lamp Indication Is Not Normal
- Slip Indicator Lamp Indication Is Not Normal
- VDC OFF Indicator Lamp Indication Is Not Normal
- Wheel Sensors
- VDC/TCS/Abs Control Unit
- Sensor Rotor
- Actuator
- G Sensor
- Steering Angle Sensor
- Relay Box
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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