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.
2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System (DTCS) (2 Of 5)
- DTC Index
- DTC/Circuit Diagnosis
- DTC P005B: Intake Camshaft Valve Lift Switch Over Actuator
- DTC P0068: Manifold Pressure - Throttle Position Correlation
- DTC P0070: Ambient Sensor
- DTC P0071: Ambient Sensor
- DTC P0072: Ambient Sensor
- DTC P0073: Ambient Sensor
- DTC P007A: Charge Air Temperature Sensor
- DTC P007B: Charge Air Temperature Sensor Upstream Of Throttle Valve
- DTC P007C: Charge Air Temperature Sensor Upstream Of Throttle Valve
- DTC P007E: Charge Air Temperature Sensor Upstream Of Throttle Valve
- DTC P0087: Fuel System
- DTC P0088: Fuel Pressure
- DTC P0089: Quantity Control Valve
- DTC P008A: Low Fuel Pressure Control System
- DTC P008B: Low Fuel Pressure Control System
- DTC P0096: Charge Air Temperature Sensor Downstream Of Throttle Valve
- DTC P0099: Charge Air Temperature Sensor Downstream Of Throttle Valve
- DTC P0106: Pressure Sensor Downstream Of Throttle Valve
- DTC P0107: Pressure Sensor Downstream Of Throttle Valve
- DTC P0108: Pressure Sensor Downstream Of Throttle Valve
- DTC P0115: Engine Coolant Temperature Sensor
- DTC P0116: Engine Coolant Temperature Sensor
- DTC P0117, P0118: Engine Coolant Temperature Sensor
- DTC P0119: Engine Coolant Temperature Sensor
- DTC P0122: Throttle Position Sensor
- DTC P0123: Throttle Position Sensor
- DTC P0128: Thermostat Function
- DTC P0130: A/F Sensor
- DTC P0133: A/F Sensor
- DTC P0135: A/F Sensor Heater
- DTC P0136: O2 Sensor
- DTC P0137: O2 Sensor
- DTC P0138: O2 Sensor
- DTC P013A: O2 Sensor
- DTC P013B: O2 Sensor
- DTC P013E: O2 Sensor
- DTC P013F: O2 Sensor
- DTC P0140: O2 Sensor
- DTC P0141: Ho2S2 Heater
- DTC P0170: Air-Fuel Ratio
- DTC P0171: Air-Fuel Ratio
- DTC P0172: Air-Fuel Ratio
- DTC P0181: Fuel Temperature Sensor
- DTC P0182: Fuel Temperature Sensor
- DTC P0183: Fuel Temperature Sensor
- DTC P0184: Fuel Temperature Sensor
- DTC P0190: Fuel Rail Pressure Sensor
- DTC P0191: Fuel Rail Pressure Sensor
- DTC P0192: Fuel Rail Pressure Sensor
- DTC P0193: Fuel Rail Pressure Sensor
- DTC P0196: Engine Oil Temperature Sensor
- DTC P0197: Engine Oil Temperature Sensor
- DTC P0198: Engine Oil Temperature Sensor
- DTC P0201: Fuel Injector (Cylinder 1)
- DTC P0202: Fuel Injector (Cylinder 2)
- DTC P0203: Fuel Injector (Cylinder 3)
- DTC P0204: Fuel Injector (Cylinder 4)
- DTC P0217: Engine Over Temperature
- DTC P0219: Engine Speed
- DTC P0222, P0223: Throttle Position Sensor
- DTC P0234: Turbocharger Boost Pressure
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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