Are the resistances less than 5 ohms?
Yes
RECONNECT the transfer case electric shift motor. GO to
A58
.
No
GO to
A57
.
A55
CHECK CIRCUIT 777 (Y) FOR OPEN
JSO Relay C230
Measure the resistance between JSO relay, C230-7, circuit 777 (Y), and transfer case electric shift motor C1001-
4, circuit 777 (Y).
Is the resistance less than 5 ohms?
Yes
GO to
A56
.
No
REPAIR circuit 777 (Y). CLEAR the DTCs. TEST the system for normal operation.
A56
CHECK CIRCUIT 778 (O) FOR OPEN
Measure the resistance between JSO relay C230-10, circuit 778 (O), and transfer case electric shift motor C1001-
7, circuit 778 (O).
Is the resistance less than 5 ohms?
Yes
GO to
A57
.
No
REPAIR circuit 778 (O). CLEAR the DTCs. TEST the system for normal operation.
A57
CHECK THE GROUND TO THE ELECTRONIC SHIFT CONTROL MODULE
JSO Relay C230
Measure the resistance between JSO relay C230-1, circuit 57 (BK), and ground.
Page 25 of 62
2000 Ranger Workshop Manual
1/18/2012
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...