PINPOINT TEST B: Powertrain Control Module (PCM) Power Relay: Introduction: Notes

2014 Ford E-150 XL, 4.6L Eng VIN WSECTION 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 Terminals
    G06054313Courtesy of FORD MOTOR CO.
Pin Circuit
2 VPWR (Vehicle Power)
Fig 2: Identifying Powertrain Control Module Power Relay Connector Terminals
G09137446Courtesy of FORD MOTOR CO.
Vehicle Connector Pin Circuit
Edge,
Explorer,
Fusion,
MKX,
MKZ,
Taurus 3.5L,
Taurus 3.7L
A 5
1
2, 3
VPWR
PCMRC
B+
Escape B 5
2
1, 3
VPWR
PCMRC
B+
F-650/F-750 B 87
85
30, 86
VPWR
PCMRC
B+
F-Series Super Duty,
Motorhome/Stripped Chassis/Step Van
B 5
1
2, 3
VPWR
PCMRC
B+
Focus,
Transit Connect
C 5
2
1, 3
VPWR
PCMRC
B+
Mustang B 87
86
30, 85
VPWR
PCMRC
B+
All other vehicles A 5
2
1, 3
VPWR
PCMRC
B+
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.