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Engine Controls - Theory & Operation - Cng, Flex-Fuel & Gasoline: Component Locations Ford Econoline E250

Testing & Diagnostics 5 illustrations ~233 words

VECI Decal Location

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

Decal Location

Typical location of Vehicle Certification label is on LH door or door post pillar.

PCM Locations

Note. For PCM Removal and Installation procedures refer to the appropriate ELECTRONIC ENGINE CONTROLS .

  1. Focus - passenger side behind kick panel.
  2. Taurus/Sable, Freestar/Monterey - behind glove compartment (access from engine compartment dash panel) on passenger side.
  3. Mustang - behind kick panel cover on passenger side, near instrument panel.
  4. Crown Victoria/Grand Marquis, Marauder, Town Car - behind instrument panel (cowl), driver side near brake pedal.
  5. LS6/LS8, Thunderbird, Explorer/Mountaineer, Aviator- passenger side, near side cowl, behind glove compartment.
  6. Escape, Explorer Sport Trac, Ranger - behind instrument panel (cowl), center to both driver and passenger sides (Access from engine compartment).
  7. Expedition/Navigator, F150 (Non-Heritage) - passenger side of engine compartment, mounted to the cowl.
  8. F-Series Heritage - lower dash panel on passenger side.
  9. Excursion, F -Series Super Duty - lower dash panel on driver side.
  10. E-Series - lower dash panel (cowl) on driver side (Access from engine compartment).

Scheme 192

Scheme 192
FunctionDescriptionConnector/Pin
VPWRVoltage input to module71,97
PWRGNDPower ground3,24,51,76,77,103
CSEGNDCase ground25
SIGRTNSignal return91
VREF5V reference90
KAPWRKeep alive power55

104-PIN PCM POWER AND GROUNDS

Scheme 193

Scheme 193
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB34
VPWRVoltage input to moduleB46
PWRGNDPower groundB1
PWRGNDPower groundB11
PWRGNDPower groundB23
CSEGNDCase groundB10
SIGRTNConnector B signal returnB33
SIGRTNConnector E signal returnE25
SIGRTNConnector T signal returnT27
VREFConnector B Buffered 5V referenceB45
VREFConnector E Buffered 5V referenceE36
KAPWRKeep alive powerB40

122-PIN PCM POWER AND GROUNDS

Scheme 194

Scheme 194
FunctionDescriptionConnector/Pin
VPWRVoltage input to moduleB32
VPWRVoltage input to moduleB33
PWRGNDPower groundB24
PWRGNDPower groundB25
PWRGNDPower groundB26
PWRGNDPower groundB27
CSEGNDCase groundB43
SIGRTNConnector B signal returnB17 (B5 for LS6/LS8/ Thunderbird)
SIGRTNConnector T signal returnT17 (T14 for LS6/LS8/ Thunderbird)
SIGRTNConnector E signal returnE17
VREFConnector B Buffered 5V referenceB20 (B55 for LS6/LS8/ Thunderbird)
VREFConnector E Buffered 5V referenceE20 (E14 for LS6/LS8/ Thunderbird)
KAPWRKeep alive powerB44

150-PIN PCM POWER AND GROUNDS

Scheme 195

Scheme 195
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 B Buffered 5V referenceB40
VREFConnector E Buffered 5V referenceE40
KAPWRKeep alive powerB45

150-PIN PCM POWER AND GROUNDS

Scheme 196

Scheme 196
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 5V referenceB29
VREFConnector E Buffered 5V referenceE57
KAPWRKeep alive powerB54

190-PIN PCM POWER AND GROUNDS