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
Engine Control System (DTCS) (3 Of 4)
- DTC Index
- DTC/Circuit Diagnosis
- DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P0444, P0445: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P0447: EVAP Canister Vent Control Valve
- DTC P0448: EVAP Canister Vent Control Valve
- DTC P0451: EVAP Control System Pressure Sensor
- DTC P0452: EVAP Control System Pressure Sensor
- DTC P0453: EVAP Control System Pressure Sensor
- DTC P0456: EVAP Control System
- DTC P0460: Fuel Level Sensor
- DTC P0461: Fuel Level Sensor
- DTC P0462,: P0463 Fuel Level Sensor
- DTC P0500: VSS
- DTC P0506: ISC System
- DTC P0507: ISC System
- DTC P050A, P050E: Cold Start Control
- DTC P0524: Engine Oil Pressure
- DTC P0550: PSP Sensor
- DTC P0603: ECM Power Supply
- DTC P0605: ECM
- DTC P0607: ECM
- DTC P0643: Sensor Power Supply
- DTC P0850: PNP Switch
- DTC P100A, P100B: VVEL System
- DTC P1087, P1088: VVEL System
- DTC P1089, P1092: VVEL Control Shaft Position Sensor
- DTC P1090, P1093: VVEL Actuator Motor
- DTC P1091: VVEL Actuator Motor Relay
- DTC P1148, P1168: Closed Loop Control
- DTC P1211: TCS Control Unit
- DTC P1212: TCS Communication Line
- DTC P1217: Engine Over Temperature
- DTC P1225, P1234: TP Sensor
- DTC P1226, P1235: TP Sensor
- DTC P1233, P2101: Electric Throttle Control Function
- DTC P1236, P2118: Throttle Control Motor
- DTC P1238, P2119: Electric Throttle Control Actuator
- DTC P1239, P2135: TP Sensor
- DTC P1290, P2100, P2103: Throttle Control Motor Relay
- DTC P1550: Battery Current Sensor
- DTC P1551, P1552: Battery Current Sensor
- DTC P1553: Battery Current Sensor
- DTC P1554: Battery Current Sensor
- DTC P1564: ASCD Steering Switch
- DTC P1564: ICC Steering Switch
- DTC P1568: ICC Function
- DTC P1572: ASCD Brake Switch
- DTC P1572: ICC Brake Switch
- DTC P1574: ASCD Vehicle Speed Sensor
- DTC P1574: ICC Vehicle Speed Sensor
- DTC P1606: VVEL Control Module
- DTC P1607: VVEL Control Module
- DTC P1608: VVEL Sensor Power Supply
- DTC P1805: Brake Switch
- DTC P2096, P2097, P2098, P2099: A/F Sensor 1
- DTC P2122, P2123: App Sensor
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.