Pinpoint Test QA: Unable to Activate Self-Test/Network Communication Error: Introduction: Notes

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2013 Lincoln Navigator, 2013 Lincoln MKZ, 2013 Lincoln MKX, 2013 Lincoln MKT, and 2013 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

unable to communicate with powertrain control module (PCM)
unable to activate the PCM self-test
incorrect self-test procedure
harness circuits: ISP-R, PCMRC, PWRGND and VPWR

Fig 1: Identifying Electronic Throttle Body Throttle Position Sensor Connector (1 Of 2)
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Electronic Throttle Body Throttle Position Sensor Connector (2 Of 2)

Courtesy of FORD MOTOR CO.