Ford Focus Service Manual: Description
The PID mode allows access to powertrain control module (PCM) information. This includes analog and digital signal inputs and outputs along with calculated values and the system status. There are two types of PID lists available and both are used throughout this manual. The first is the generic (J1979) OBD PID list. This is a standard set of PIDs that all scan tools must be able to access. The second is a Ford specific (J2190) list which can be accessed by an appropriate scan tool. When accessing any of these PIDs, the values are continuously updated. The generic or Ford PID list provides definitions and values in appropriate units.
Generic OBD PID List
An X in the Freeze Frame column denotes both a mode 1 and mode 2 PID (real time
and freeze frame).
Freeze Frame
Acronym
Description
Measurement Units
X
APP_D
Acce ...
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Ford Focus Valve Seat Inspection
Valve and Seat Refacing Measurements
NOTE: Refer to the appropriate Section 303-01 for the specification.
NOTE: After grinding valves or valve seats, check valve clearance.
Check the valve head and seat.
Check valve angles.
Check margin width.
Be sure margin widt ...
