Ford Escape: Electronic Engine Controls / Description and Operation - Electronic Engine Controls - Overview
Overview
The
EEC system provides optimum control of the engine through the enhanced
capability of the powertrain control module (PCM). The EEC system also
has an on board diagnostic (OBD) monitoring system with features and
functions to meet federal regulations on exhaust emissions.
The
EEC system has two major divisions: hardware and software. The hardware
includes the PCM, sensors, switches, actuators, solenoids, and
interconnecting terminals. The software in the PCM provides the strategy
control for outputs (engine hardware) based on the values of the inputs
to the PCM.
The
PCM receives information from a variety of sensor and switch inputs.
Based on the strategy and calibration stored within the PCM, the PCM
generates the appropriate output. The system is designed to minimize
emissions and optimize fuel economy and driveability. The software
strategy controls the basic operation of the engine, provides the OBD
strategy, controls the malfunction indicator lamp (MIL), communicates to
the scan tool over the data link connector (DLC), allows for flash
electrically erasable programmable read only memory (EEPROM), provides
idle air and fuel trim, and controls failure mode effects management
(FMEM)
Reference Value Symptom Chart
NOTE:
The Reference Value Symptom Chart provides guidance in
selecting the appropriate parameter identification (PID) or measured
signal related to the fault area...
LH Engine Sensor Locations
Item
Description
1
CHT sensor
2
CMP sensor
3
KS
4
MAPT sensor
5
VCT oil control solenoid
Electronic Engine Controls - RH
Item
Description
1
Catalyst monitor sensor
2
CKP sensor
3
HO2S
Powertrain Control Module (PCM)
Item
Description
1
PCM
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Other information:
Special Tool(s) /
General Equipment
Interior Trim Remover
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
Left hand side shown, right hand similar.
Liftgate mounted rear lamp assemblies
Remove the liftgate trim panel.
Refer to: Liftgate Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
..
Adjustment
Measurement
Measure the roof opening panel movable glass height/flushness.
Measure the roof opening panel sliding glass
front edge-to-header panel height/flushness. Refer to the specifications
as shown.
Measure the roof opening panel sliding glass
rear edge-to-roof opening panel fixed glass height/flushness. Refer to
the specifications as shown.
..