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.
2016 Infiniti QX70 AWDFACTORY OEM SERVICE PROCEDURE
DTC Index
DTC INDEX
| DTC | Description |
|---|---|
| DTC U1003 | CAN COMM CIRCUIT |
| DTC U1024 | CAN COMM CIRCUIT |
| DTC P0011, | P0021 IVT CONTROL |
| DTC P0031, | P0032, P0051, P0052 A/F SENSOR 1 HEATER |
| DTC P0037, | P0038, P0057, P0058 HO2S2 HEATER |
| DTC P0075, | P0081 IVT CONTROL SOLENOID VALVE |
| DTC P0101, | P010B MAF SENSOR |
| DTC P0102, | P0103, P010C, P010D MAF SENSOR |
| DTC P0112, | P0113 IAT SENSOR |
| DTC P0116 | ECT SENSOR |
| DTC P0117, | P0118 ECT SENSOR |
| DTC P0122, | P0123, P0227, P0228 TP SENSOR |
| DTC P0125 | ECT SENSOR |
| DTC P0127 | IAT SENSOR |
| DTC P0128 | THERMOSTAT FUNCTION |
| DTC P0130, | P0150 A/F SENSOR 1 |
| DTC P0131, | P0151 A/F SENSOR 1 |
| DTC P0132, | P0152 A/F SENSOR 1 |
| DTC P014C, | P014D, P014E, P014F, P015A, P015B, P015C, P015D A/F SENSOR 1 |
| DTC P0137, | P0157 HO2S2 |
| DTC P0138, | P0158 HO2S2 |
| DTC P0139, | P0159 HO2S2 |
| DTC P0171, | P0174 FUEL INJECTION SYSTEM FUNCTION |
| DTC P0172, | P0175 FUEL INJECTION SYSTEM FUNCTION |
| DTC P0181 | FTT SENSOR |
| DTC P0182, | P0183 FTT SENSOR |
| DTC P0196 | EOT SENSOR |
| DTC P0197, | P0198 EOT SENSOR |
| DTC P0222, | P0223, P2132, P2133 TP SENSOR |
| DTC P0300, | P0301, P0302, P0303, P0304, P0305, P0306 MISFIRE |
| DTC P0327, | P0328, P0332, P0333 KS |
| DTC P0335 | CKP SENSOR (POS) |
| DTC P0340, | P0345 CMP SENSOR (PHASE) |
| DTC P0420, | P0430 THREE WAY CATALYST FUNCTION |
| DTC P0441 | EVAP CONTROL SYSTEM |
Factory Service Tools
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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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