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.
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HOMESERVICE MANUALSINFINITI2008FX45 AWD V8-4.5L (VK45DE)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - BRAKES AND TRACTION CONTROLTRACTION CONTROL MODULESERVICE AND REPAIR
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)
Traction Control Module: Service and Repair
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)SECTION Service and Repair
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Removal and Installation
REMOVAL
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Loosen brake tube flare nuts, then remove brake tubes from ABS actuator and electric unit (control unit).
3. Remove LH side fender protector.
4. Remove ABS actuator and electric unit (control unit) mounting nuts.
5. Remove ABS actuator and electric unit (control unit) from vehicle.
CAUTION:
Be careful of the following when removing ABS actuator and electric unit (control unit).
^ If the part number on the part number label (pasted on actuator upper surface) is the same, ABS actuator and electric unit (control unit) can not be used on another vehicle.
If it is used on another vehicle, ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp may turn ON or VDC/TCS/ABS may not operate normally.
When replacing ABS actuator and electric unit (control unit), must use new service parts.
^ Before servicing, disconnect battery cables.
^ To remove brake tube, use a flare nut torque wrench to prevent flare nuts and brake tube from being damaged. To install, use a flare nut torque wrench (commercial service tool) and tighten to the specified torque.
^ Do not apply excessive impact to actuator, such as dropping it.
^ Do not remove and install ABS actuator and electric unit (control unit) by holding harness.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be careful of the following when installing ABS actuator and electric unit (control unit).
^ Tighten the mounting bolts and nuts to the specified torque.
^ After the work, bleed air from brake piping.
^ After installing vehicle harness connector in the actuator, make sure connector is securely locked.
^ When replacing ABS actuator and electric unit (control unit), calibrate steering angle sensor neutral position and decel G sensor. Refer to BRC-8. Testing and Inspection
Removal and Installation
BRC-54 Component:
REMOVAL
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Loosen brake tube flare nuts, then remove brake tubes from ABS actuator and electric unit (control unit).
3. Remove LH side fender protector.
4. Remove ABS actuator and electric unit (control unit) mounting nuts.
5. Remove ABS actuator and electric unit (control unit) from vehicle.
CAUTION:
Be careful of the following when removing ABS actuator and electric unit (control unit).
^ If the part number on the part number label (pasted on actuator upper surface) is the same, ABS actuator and electric unit (control unit) can not be used on another vehicle.
If it is used on another vehicle, ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp may turn ON or VDC/TCS/ABS may not operate normally.
When replacing ABS actuator and electric unit (control unit), must use new service parts.
^ Before servicing, disconnect battery cables.
^ To remove brake tube, use a flare nut torque wrench to prevent flare nuts and brake tube from being damaged. To install, use a flare nut torque wrench (commercial service tool) and tighten to the specified torque.
^ Do not apply excessive impact to actuator, such as dropping it.
^ Do not remove and install ABS actuator and electric unit (control unit) by holding harness.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be careful of the following when installing ABS actuator and electric unit (control unit).
^ Tighten the mounting bolts and nuts to the specified torque.
^ After the work, bleed air from brake piping.
^ After installing vehicle harness connector in the actuator, make sure connector is securely locked.
^ When replacing ABS actuator and electric unit (control unit), calibrate steering angle sensor neutral position and decel G sensor. Refer to BRC-8. Testing and Inspection
RENDER: 1.0x
NO RELATED
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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.