Ford F150 Pickup. Manual - part 1934

Fig. 4: Special Tool(s) 
Courtesy of FORD MOTOR CO. 

Electrical Shift On The Fly (ESOF) Vacuum Schematic 

 

2003 Ford Pickup F150 

2003 TRANSMISSIONS Transfer Case - General Information - F150 Pickup

  

Fig. 5: ESOF Vacuum Schematic Diagram 
Courtesy of FORD MOTOR CO. 

4X4 TABLES 

Table 1 - 4WD Mode Switch Input Resistances 

 

2003 Ford Pickup F150 

2003 TRANSMISSIONS Transfer Case - General Information - F150 Pickup

  

Fig. 6: 4WD Mode Switch Input Resistances Chart 
Courtesy of FORD MOTOR CO. 

Table 2 - Transfer Case Shift Relays Outputs 

Fig. 7: Transfer Case Shift Relays Outputs Chart 
Courtesy of FORD MOTOR CO. 

Table 3 - Neutral Safety Switch Input Conditions 

 

2003 Ford Pickup F150 

2003 TRANSMISSIONS Transfer Case - General Information - F150 Pickup

  

Fig. 8: Neutral Safety Switch Input Conditions Chart (1 Of 2) 
Courtesy of FORD MOTOR CO. 

Fig. 9: Neutral Safety Switch Input Conditions Chart (2 Of 2) 
Courtesy of FORD MOTOR CO. 

Table 4 - Contact Plate Sensor Position Codes 

NOTE:

The contact plate sensor position codes for 2H, 4H and 4L indicate what is 
displayed by the diagnostic tool. Actual probing with a multimeter will result in 
readings opposite of what is displayed.

 

2003 Ford Pickup F150 

2003 TRANSMISSIONS Transfer Case - General Information - F150 Pickup