LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2000 >> Contour SE, 2.5 L, 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

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
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.
scientia non olet · About LEMON Manuals