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