Standard Ignition APS644 Accelerator Pedal Sensor

Accelerator Pedal Sensor for Nissan and INFINITI

Standard Ignition APS644 is a new accelerator pedal sensor assembly built for direct replacement in select Nissan and INFINITI applications. It includes the pedal assembly, mounting brackets, and linkage attached for a service-ready fit on vehicles such as the Nissan Pathfinder and INFINITI QX60.

Compatible with 2013 INFINITI JX35, 2013-2020 Nissan Pathfinder, 2014-2015 INFINITI QX60, and 2017-2020 INFINITI QX60, this APS644 unit is built for bolt-on installation with a single oval plug-in connector.

• Bolt-on attachment method for direct pedal sensor replacement
• Pedal assembly included with linkage attached
• Plastic and metal construction for OE-style fit and function
• Female oval connector with 6 male blade terminals
• Mounting bracket(s) included for installation alignment
• New replacement part from Standard Ignition

Detailed Product Overview

Standard Ignition APS644 is an accelerator pedal sensor assembly that translates pedal input into an electronic signal for the vehicle control system. It uses a single female oval connector and a 6-terminal blade interface, with a bolt-on mounting design that matches the listed applications. For drivers searching for a Nissan Pathfinder accelerator pedal sensor or an INFINITI QX60 accelerator pedal assembly, APS644 provides a direct-fit replacement option.

This part cross-references 180023JA0B and PPS1544 for the same application. The APS644 part number is also the Standard Ignition reference for this sensor assembly.

Common Issues This Part Can Address

• Unresponsive or delayed accelerator pedal input
• Erratic throttle response from a worn pedal sensor assembly
• Fault codes related to accelerator pedal position signal performance
• Physical wear or damage to the pedal assembly or linkage
• Connector or terminal issues at the pedal sensor interface

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. APS644 uses a bolt-on design with a female oval connector, so confirm the vehicle harness and bracket locations match the original unit on your Nissan Pathfinder, INFINITI QX60, or INFINITI JX35 application. Inspect the pedal mounting area and electrical connector for corrosion, bent terminals, or damage before fitting the new assembly.

Quality Assurance

Standard Ignition supplies this APS644 accelerator pedal sensor as a new replacement part built to match the listed OE-style application requirements for the specified Nissan and INFINITI vehicles.