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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 500 (ENGINE CONTROLS - PINPOINT TESTS (DIESEL))PINPOINT TESTS AE: UNABLE TO ACTIVATE SELF TEST/NETWORK COMMUNICATION ERRORINTRODUCTION
2021 Ford Edge SE, 4WD

Pinpoint Tests AE: Unable To Activate Self Test/Network Communication Error: Introduction

2021 Ford Edge SE, 4WDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. 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:

  • unable to communicate with the PCM
  • unable to activate the PCM self-test
  • harness circuits VPWR, ISP-R, PCMRC and PWRGND
Fig 1: Manifold Absolute Pressure (MAP) Sensor Connector
G07431334Courtesy of FORD MOTOR CO.
Pin Circuit
3 VREF (Reference Voltage)
2 SIGRTN (Signal Return)
Fig 2: Manifold Absolute Pressure And Charge Air Cooler Temperature (MAP/CACT) Sensor Connector
G09957424Courtesy of FORD MOTOR CO.
Pin Circuit
4 SIGRTN (Signal Return)
2 VREF (Reference Voltage)
Fig 3: Powertrain Control Module-B (PCM-B) Connector
G13711573Courtesy of FORD MOTOR CO.
Vehicle Connector Pin Circuit
F-150 A 47, 61, 62, 76, 77
67, 68, 69
50
21		 PWRGND
VPWR
PCMRC
ISP-R
Transit Connect B 96, 97, 98
101, 102, 103
42
82		 PWRGND
VPWR
PCMRC
ISP-R
All other vehicles A 47, 61, 62, 76, 77
1, 16, 17, 2
50
21		 PWRGND
VPWR
PCMRC
ISP-R
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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