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 MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISBRAKESBRAKES CONTROL SYSTEMSBRAKE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISVDC OFF SWITCHCOMPONENT INSPECTION
2019 Infiniti Q70 3.7 Luxe, AWD
Component Inspection
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Component Inspection
- CHECK VDC OFF SWITCH
- Turn the ignition switch OFF.
- Disconnect triple switch harness connector.
- Check continuity between terminals of triple switch connector.
Triple switch
Condition
Continuity
Terminal
3 - 5
When VDC OFF switch is pressed
Existed
When VDC OFF switch is not pressed
Not existed
Is the inspection result normal?
YES
INSPECTION END
NO
Replace VDC OFF switch. Refer to Removal and Installation .
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.