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Home >> Ford >> 2019 >> Expedition XLT, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DN: Pressure And Temperature Sensors - (Except Diesel & Hybrid) >> PINPOINT TEST B: Powertrain Control Module (PCM) Power Relay >> Introduction
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PINPOINT TEST B: Powertrain Control Module (PCM) Power Relay: Introduction

This pinpoint test is intended to diagnose the following:

Fig 1: Powertrain Control Module Power (PCM Power) Relay Connector
G13533032Courtesy of FORD MOTOR CO.

Harness Side

Circuit Pin
B+ (Battery Positive Voltage) 5
B+ (Battery Positive Voltage) 1
PCMRC (PCM Relay Control) 2
VPWR (Vehicle Power) 3
Fig 2: Powertrain Control Module (PCM) Connector - For PCM Connector Views
G13533033Courtesy of FORD MOTOR CO.

Harness Side

Circuit Pin
PCMRC (PCM Relay Control) B25
ISP-R (Ignition Switch Position Run) B64
VPWR (Vehicle Power) B101
VPWR (Vehicle Power) B102
VPWR (Vehicle Power) B100
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