C32 Check The Pid Plate_B For Open; C33 Check Circuit 770 (W) To The Contact Plate Switch B; C34 Check Circuit 770 (W) For Short To Ground - Ford Expedition 1998 Workshop Manual

1998 Expedition/Navigator Workshop Manual

C32 CHECK THE PID PLATE_B FOR OPEN

C33 CHECK CIRCUIT 770 (W) TO THE CONTACT PLATE SWITCH B

C34 CHECK CIRCUIT 770 (W) FOR SHORT TO GROUND

GEM C241
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762 (Y/W).
Is the resistance less than 5 ohms?
Yes
REPLACE the GEM; REFER to Section 419-10. CLEAR the DTCs. TEST the system for normal operation.
No
REPAIR circuit 762 (Y/W). CLEAR the DTCs. CYCLE the ignition to OFF, then ON. TEST the system for normal
operation.
NOTE: The active command PLATE PWR is located in the 4-Wheel Electronic Shift active command menu.
Set the active command PLATE PWR to ON.
Monitor the PID PLATE_B.
Does the PID PLATE_B not indicate OPEN?
Yes
GO to C34.
No
GO to C33.
Connect a jumper wire between transfer case assembly C201-10, circuit 762 (Y/W), and C201-1, circuit 770 (W).
Monitor the PID PLATE_B.
Does the PID PLATE_B indicate CLOSED?
Yes
GO to C37.
No
GO to C35.
Measure the resistance between transfer case assembly C201-1, circuit 770 (W), and ground.
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8/30/2010