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 MANUALSINFINITI2006FX35 AWD V6-3.5L (VQ35DE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSACCELERATOR PEDAL POSITION SENSORSERVICE AND REPAIR
2006 Infiniti FX35 AWD V6-3.5L (VQ35DE)
Accelerator Pedal Position Sensor: Service and Repair
2006 Infiniti FX35 AWD V6-3.5L (VQ35DE)SECTION Service and Repair
ACCELERATOR CONTROL SYSTEM
Components
Removal and Installation
REMOVAL
1. Disconnect accelerator pedal position sensor harness connector.
2. Loosen mounting nuts, and remove accelerator pedal assembly.
CAUTION:
- Do not disassemble accelerator pedal assembly. Do not remove accelerator pedal position sensor from accelerator pedal assembly.
- Avoid impact from dropping etc. during handling.
- Be careful to keep accelerator pedal assembly away from water.
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
- Make sure accelerator pedal moves smoothly within the whole operation range when it is fully depressed and released.
- Make sure accelerator pedal securely returns to the fully released position.
- For the electrical inspection of accelerator pedal position sensor, refer to the following.
- VQ35DE
"DTC P2122, P2123 APP SENSOR", "DTC P2127, P2128 APP SENSOR" and "DTC P2138 APP SENSOR".
- VK45DE
"DTC P2122, P2123 APP SENSOR", "DTC P2127, P2128 APP SENSOR" and "DTC P2138 APP SENSOR".
CAUTION: When harness connector of accelerator pedal position sensor is disconnected, perform "Accelerator Pedal Released Position Learning". Refer to EC-84, "Accelerator Pedal Released Position Learning" (VQ35DE) or EC-743, "Accelerator Pedal Released Position Learning" (VK45DE). Testing and Inspection
Components
Removal and Installation
REMOVAL
1. Disconnect accelerator pedal position sensor harness connector.
2. Loosen mounting nuts, and remove accelerator pedal assembly.
CAUTION:
- Do not disassemble accelerator pedal assembly. Do not remove accelerator pedal position sensor from accelerator pedal assembly.
- Avoid impact from dropping etc. during handling.
- Be careful to keep accelerator pedal assembly away from water.
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
- Make sure accelerator pedal moves smoothly within the whole operation range when it is fully depressed and released.
- Make sure accelerator pedal securely returns to the fully released position.
- For the electrical inspection of accelerator pedal position sensor, refer to the following.
- VQ35DE
"DTC P2122, P2123 APP SENSOR", "DTC P2127, P2128 APP SENSOR" and "DTC P2138 APP SENSOR".
- VK45DE
"DTC P2122, P2123 APP SENSOR", "DTC P2127, P2128 APP SENSOR" and "DTC P2138 APP SENSOR".
CAUTION: When harness connector of accelerator pedal position sensor is disconnected, perform "Accelerator Pedal Released Position Learning". Refer to EC-84, "Accelerator Pedal Released Position Learning" (VQ35DE) or EC-743, "Accelerator Pedal Released Position Learning" (VK45DE). 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.