Ford F150 Pickup. Instruction - part 1233

CHARTS under PID DEFINITIONS & PIN VOLTAGE/PID VALUES.

SYMPTOM TESTING 

Using the REFERENCE VALUE SYMPTOM CHART can help in selecting PIDs that are related to a specific 
fault area. See Fig. 1 . Select a symptom from the chart, note category number and proceed to Fig. 2 and Fig. 3 . 
For multiple symptoms, select most evident symptom. Match category number with related PIDs/measured 
signals (component and signal) and perform PID TESTING . 

Fig. 1: Reference Value Symptom Chart 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Pin Voltage/PID Value Charts - Econoline & Pickup - Gasoline & CNG

  

Fig. 2: Reference Value PID/Measured Signal Chart (1 Of 2) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Pin Voltage/PID Value Charts - Econoline & Pickup - Gasoline & CNG

  

Fig. 3: Reference Value PID/Measured Signal Chart (2 Of 2) 
Courtesy of FORD MOTOR CO. 

PID TESTING 

Some vehicles may not display all input and output PID signals. Reference values may vary plus or minus 20 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Pin Voltage/PID Value Charts - Econoline & Pickup - Gasoline & CNG

  

percent depending on operating conditions and other factors. RPM values are axle ratio and tire size dependent.

Accessing Generic OBD-II PIDs 

Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tool using the 
following steps:  

z

Select VEHICLE & ENGINE SELECTION menu.  

z

Select NEW VEHICLE, YEAR & MODEL.  

z

Select GENERIC OBD-II OPTIONS. Press CONT button if monitors are not complete.  

z

Select PID/DATA MONITOR & RECORD.  

z

Turn ignition switch to ON position or start engine and allow to idle.  

z

Follow operating instructions from scan tool menu.  

z

Select PIDs and press START to begin monitoring.  

Compare actual PID values on scan tool to PID values in appropriate chart under PIN VOLTAGE/PID 
VALUE CHARTS under PID DEFINITIONS & PIN VOLTAGE/PID VALUES. If PID value is not as 
specified, perform appropriate SYSTEM TEST in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & 
GASOLINE article. 

Accessing Ford Specific PIDs 

Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program scan tool using the 
following steps:  

z

Select VEHICLE & ENGINE SELECTION menu.  

z

Select NEW VEHICLE, YEAR & MODEL.  

z

Select DIAGNOSTIC DATA LINK.  

z

Select POWERTRAIN CONTROL MODULE.  

z

Select PID/DATA MONITOR & RECORD.  

z

Turn ignition switch to ON position or start engine and allow to idle.  

z

Follow operating instructions from scan tool menu.  

z

Select PIDs and press START to begin monitoring.  

Compare actual PID values on scan tool to PID values in appropriate chart under PIN VOLTAGE/PID 
VALUE CHARTS under PID DEFINITIONS & PIN VOLTAGE/PID VALUES. If PID value is not as 
specified, perform appropriate SYSTEM TEST in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & 
GASOLINE article. 

PCM CONNECTORS 

NOTE:

To identify PCM connector, refer to illustration. See Fig. 4 .

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Pin Voltage/PID Value Charts - Econoline & Pickup - Gasoline & CNG