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Engine Controls - Description and Operation (Except Diesel & Hybrid): Component Locations Ford Explorer IV

Testing & Diagnostics 5 illustrations ~252 words

VECI Decal Location

Typical location of the decal is on the underside of the hood or on the radiator support sight shield.

Vehicle Certification Label Location

Typical location of the vehicle certification label is on the LH door or door post pillar.

PCM Locations

For PCM removal and installation procedures, refer to the appropriate ELECTRONIC ENGINE CONTROLS article .

  1. Focus - passenger side behind the kickpanel.
  2. Five Hundred, Freestyle, Montego - engine compartment, passenger side, mounted to the cowl.
  3. Fusion, Milan, MKZ - engine compartment, driver side, under battery, mounted to the cowl.
  4. Taurus, Freestar, Monterey - (access from the engine compartment) on the passenger side.
  5. Mustang - front of engine compartment, passenger side, near fender, under the battery junction box (BJB).
  6. Crown Victoria, Grand Marquis, Town Car - engine compartment, driver side, fender mounted.
  7. Explorer, Explorer Sport Trac, Mountaineer - passenger side, near side cowl, behind the glove compartment.
  8. Escape, Mariner, Ranger - behind the instrument panel (cowl), center to both driver and passenger sides (access from the engine compartment).
  9. Edge, Expedition, Mark LT, MKX, Navigator, F-Series, F-Super Duty - passenger side of the engine compartment, mounted to the cowl.
  10. E-Series - engine compartment, driver side, near the cowl (access from the engine compartment).

Scheme 11

Scheme 11: 104-Pin PCM
FunctionDescriptionConnector/Pin
VPWRVoltage input to module71,97
PWRGNDPower ground24,25,51,76,77,103
CSEGNDCase ground25
SIGRTNSignal return91
VREF5.0-volt reference90
KAPWRKeep alive power55

104-PIN PCM POWER AND GROUNDS

Scheme 12

Scheme 12: 140-Pin PCM
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB51
VPWRVoltage input to moduleB52
PWRGNDPower groundB67
PWRGNDPower groundB68
PWRGNDPower groundB69
CSEGNDCase groundB66
SIGRTNConnector B signal returnB58
SIGRTNConnector E signal returnE58
VREFConnector B buffered 5.0-volt referenceB33
VREFConnector E buffered 5.0-volt referenceE57
KAPWRKeep alive powerB54

140-PIN PCM POWER AND GROUNDS

Scheme 13

Scheme 13: 150-Pin PCM
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB35
VPWRVoltage input to moduleB36
PWRGNDPower groundB47
PWRGNDPower groundB48
PWRGNDPower groundB49
CSEGNDCase groundB10
SIGRTNConnector B signal returnB41
SIGRTNConnector T signal returnT41
SIGRTNConnector E signal returnE41
VREFConnector buffered 5.0-volt referenceB40
VREFConnector E buffered 5.0-volt referenceE40
KAPWRKeep alive powerB45

150-PIN PCM POWER AND GROUNDS

Scheme 14

Scheme 14: 170-Pin PCM
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB35
VPWRVoltage input to moduleB36
PWRGNDPower groundB47
PWRGNDPower groundB48
PWRGNDPower groundB49
PWRGNDPower groundB50
CSEGNDCase groundB10
SIGRTNConnector B signal returnB41
SIGRTNConnector B signal returnB43
SIGRTNConnector E signal returnE33
SIGRTNConnector E signal returnE58
SIGRTNConnector T signal returnT41
VREFConnector B buffered 5.0-volt referenceB40
VREFConnector E buffered 5.0-volt referenceE57
KAPWRKeep alive powerB45

170-PIN PCM POWER AND GROUNDS

Scheme 15

Scheme 15: 190-Pin PCM
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB51
VPWRVoltage input to moduleB52
VPWRVoltage input to moduleB53
PWRGNDPower groundB67
PWRGNDPower groundB68
PWRGNDPower groundB69
PWRGNDPower groundB70
CSEGNDCase groundB66
SIGRTNConnector B signal returnB58
SIGRTNConnector T signal returnT43
SIGRTNConnector E signal returnE58
VREFConnector B buffered 5.0-volt referenceB29
VREFConnector E buffered 5.0-volt referenceE57
KAPWRKeep alive powerB54

190-PIN PCM POWER AND GROUNDS