Is the voltage greater than 10 volts?
Yes
GO to
A37
.
No
GO to
A38
.
A37
CHECK CIRCUIT 779 (BR) FOR VOLTAGE — GEM ACTIVE COMMAND SHIFT CLUTCH OFF
Trigger the GEM active command SHIFT CLUTCH to OFF.
Measure the voltage between transfer case electric shift motor C1001-8, circuit 779 (BR), and ground.
Is the voltage zero volts?
Yes
REPLACE the clutch relay. CLEAR the DTCs. TEST the system for normal operation.
No
GO to
A38
.
A38
CHECK CIRCUIT 779 (BR) FOR SHORT TO POWER
Clutch Relay
Measure the voltage between the clutch relay connector pin 3, circuit 779 (BR), and ground.
Is any voltage indicated?
Yes
REPAIR circuit 779 (BR). CLEAR the DTCs. TEST the system for normal operation.
No
GO to
A39
.
A39
CHECK THE CLUTCH RELAY SWITCHING CIRCUIT
Measure the voltage between clutch relay connector pin 5, circuit 704 (DG/LG), and ground.
Page 19 of 62
2000 Ranger Workshop Manual
1/18/2012
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...