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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2766 (Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - CNG, Flex-Fuel & Gasoline) >> Pinpoint Test B: Powertrain control module (PCM) Power Relay >> Introduction

Pinpoint Test B: Powertrain control module (PCM) Power Relay: Introduction

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NOTE: This pinpoint test is intended to diagnose the following:
  • Harness Circuit(s):
  • Vehicle Power.
  • Ignition Start/Run.
  • PCM Power Relay Ground.
  • Battery positive voltage.
  • PCM Power Relay (12A646).
Fig 1: Identifying Powertrain Control Module Power (PCMPWR) Relay Connector
G03626619Courtesy of FORD MOTOR CO.
NOTE: The IGN START/RUN and GROUND circuits, and/or the B+ and VPWR circuits may be reversed in the harness connector. REFER to the appropriate SYSTEM WIRING DIAGRAMS article for additional information.
Fig 2: Identifying Powertrain Control Module Power - 2 (PCMPWR-2) Relay Connector
G03626620Courtesy of FORD MOTOR CO.
NOTE: The IGN START/RUN and GROUND circuits, and/or the B+ and VPWR circuits may be reversed in the harness connector. REFER to the appropriate SYSTEM WIRING DIAGRAMS article for additional information.
Fig 3: Identifying Powertrain Control Module Power Relay Circuit
G03626621Courtesy of FORD MOTOR CO.
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