Pinpoint Test B: Powertrain Control Module (PCM) Power Relay: Introduction: Notes

This pinpoint test is intended to diagnose the following:

• harness circuits: B+, INJPWRM, ISP-R, PCMRC, and VPWR
• PCM power relay (12A646)
• PCM (12A650)
  Fig 1: Identifying Injector Connector

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

  Courtesy of FORD MOTOR CO.