PINPOINT TEST B: THE VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH AND 4WD LOW MODES PROPERLY
Is any voltage indicated?
Yes
REPAIR circuit 763 (O/W). CLEAR the DTC. TEST the system for normal operation.
No
GO to
A74
.
A74
CHECK CIRCUIT 763 (O/W) FOR SHORT TO GROUND
Measure the resistance between transfer case electric shift motor C1001-3, circuit 763 (O/W), and ground.
Is the resistance greater than 10,000 ohms?
Yes
GO to
A75
.
No
REPAIR circuit 763 (O/W). CLEAR the DTCs. TEST the system for normal operation.
A75
CHECK CIRCUIT 763 (O/W) FOR OPEN
Measure the resistance between transfer case electric shift motor C1001-3, circuit 763 (O/W), and GEM C223-18,
circuit 763 (O/W).
Is the resistance less than 5 ohms?
Yes
REPLACE the transfer case electric shift motor. CLEAR the DTCs. TEST the system for normal operation.
No
REPAIR circuit 763 (O/W). CLEAR the DTCs. TEST the system for normal operation.
CONDITIONS
DETAILS/RESULTS/ACTIONS
B1
CHECK THE IGNITION STATES — MONITOR THE GEM PID IGN_GEM
Scan Tool
Page 32 of 62
2000 Ranger Workshop Manual
1/18/2012
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...