Ford Transit 2002 Owner's Manual page 1144

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PCM
The 1.8L Duratorq TDCi installed in the 2002.5 onward Transit Connect is now only
regulated by one PCM.
In this PCM the functions of the PCM and the functions of the Injector Driver Module (IDM)
are combined. This is referred to as the so-called "One-Box-System".
The strategies for engine management and for actuation of the injectors are very similar to
those found on the system with a PCM and an IDM (the so-called "Two-Box- System"), which
is already used on the 2001.5 Focus with a 1.8L Duratorq TDCi engine.
The PCM controls:
Injected fuel quantity and injection timing for the pilot injection and the main injection
EGR system,
Position of the fuel metering solenoid
System pressure in the high-pressure fuel system
Glow control
Radiator fan
'Smart charge' alternator control system
The PCM can be diagnosed through the DLC using WDS.
Intake Air Temperature (IAT) sensor in the intercooler
IAT sensor in front of the turbocharger
Crankshaft position (CKP) sensor
Knock Sensor (KS)
Fuel temperature sensor
Fuel pressure sensor
Camshaft Position Sensor (CMP)
Vehicle Speed Sensor (VSS)
Accelerator Pedal Position (APP) sensor
Clutch Pedal Position (CPP) switch
Brake Pedal Position (BPP) switch
Generator control
Powertrain Control Module (PCM) with 121 pins
Position sensor in the Exhaust Gas Recirculation (EGR) valve
Data Link Connector (DLC)
Fuel metering valve
Fuel injectors
EGR solenoid valve
Pre-glow module
Instrument cluster
Pre-glow indicator lamp/fault lamp
A/C compressor and radiator fan control
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