Pinpoint Tests RD: Nitrogen Oxides (NOx): Introduction

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.

This pinpoint test is intended to diagnose the following:

harness circuits: VPWR, PWRGND, GND, CAN2+, and CAN2-
NOx sensor (5J299)
NOx module (5K202)

Fig 1: Identifying Nitrogen Oxides (NOx) Module Connector
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Powertrain Control Module-B (PCM-B) Connector
Courtesy of FORD MOTOR CO.