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HOMESERVICE MANUALSMERCURY2000MYSTIQUE GS, 2.0 3, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & ENGINE COMPONENT TESTS - EEC-V (GASOLINE)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULE (PCM)POWER CIRCUITS
2000 Mercury Mystique GS, 2.0 3, Automatic

Power Circuits

2000 Mercury Mystique GS, 2.0 3, AutomaticSECTION Power Circuits

Turn ignition off. Using a voltmeter, check for battery voltage between ground and PCM pin No. A44 (KAPWR) on LS or pin No. 55 (KAPWR) on all other models. Turn ignition switch to START or RUN position. Check for battery voltage between ground and VPWR fuse on LS or PCM connector pin No. 71 (VPWR). If battery voltage is not present, power is not being supplied from PCM power relay. See TEST B under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V (GASOLINE) article.

POWERTRAIN CONTROL MODULE LOCATION

Application Location
Contour, Cougar, LS, Mystique, Sable, Taurus & Windstar Right Rear Of Engine Compartment, Mounted On Cowl
Continental Right Rear Of Engine Compartment, Under Cowl Cover
Crown Victoria, Grand Marquis & Town Car Left Side Of Master Cylinder, Mounted On Cowl
Econoline Left Rear Of Engine Compartment, Near Brake Master Cylinder
Escort Center Of Instrument Panel, Below Center Console
Excursion & Super-Duty Behind Left Side Of Instrument Panel, Near Brake Pedal
Expedition, Explorer, Mountaineer, Navigator & Ranger Right Rear Of Engine Compartment, Mounted On Cowl
Focus & Mustang Behind Right Kick Panel
F150 & F250 Right Rear Of Engine Compartment
Fig 1: Identifying Powertrain Control Module (PCM) Connector Pins (Except LS)
G96E29185
RENDER: 1.0x

NO RELATED

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

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.