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.
2009 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE
Brake Control System
- DTC Index
- Service Information
- DTC Index
- Precautions
- Preparation
- On-Vehicle Service
- System Description
- Trouble Diagnosis
- Trouble Diagnosis For System
- DTC C1101 - C1108, C1115: Wheel Sensor Circuit
- DTC C1130 - C1133, C1136: Engine System
- DTC C1110, C1153, C1170: ABS Actuator and Electric Unit (Control Unit)
- DTC C1109: ABS Actuator and Electric Unit (Control Unit) Power Supply and Ground Circuit
- DTC C1111: ABS Motor and Motor Relay Circuit
- DTC C1114, C1120 - 1127, C1147 - C1150: Solenoid, VDC Change-Over Valve and Actuator Relay Circuit
- DTC C1142: Pressure Sensor Circuit
- DTC C1143: Steering Angle Sensor Circuit
- DTC C1116: Stop Lamp Switch Circuit
- DTC C1145, C1146: Yaw Rate/Side G Sensor Circuit
- DTC C1155: Brake Fluid Level Switch Circuit
- DTC C1137: RAS Control Unit Circuit (With RAS)
- DTC C1185: ICC Sensor Integrated Unit Circuit (With ICC)
- DTC C1156, U1000, U1002, U1100: CAN Communication Circuit
- VDC OFF Switch Circuit
- Parking Brake Switch Circuit
- Warning Lamp and Indicator Lamp Circuit
- Trouble Diagnosis For Symptoms
- Wheel Sensor
- Sensor Rotor
- Actuator And Electric Unit (Assembly)
- Yaw Rate/Side 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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