C10 Check Circuit 682 (Db) For Open; C11 Check Circuit 682 (Db) For Short To Power; C12 Check Bpp Switch Pid Boo_Gem - Ford Expedition 1998 Workshop Manual

1998 Expedition/Navigator Workshop Manual

C10 CHECK CIRCUIT 682 (DB) FOR OPEN

GEM C239

C11 CHECK CIRCUIT 682 (DB) FOR SHORT TO POWER

C12 CHECK BPP SWITCH PID BOO_GEM

http://www.fordtechservice.dealerconnection.com/pubs/content/~WSWJ/~MUS~LEN/21/...
Measure the voltage between GEM C241-8, circuit 780 (DB), and ground.
Is any voltage indicated?
Yes
REPAIR circuit 780 (DB). CLEAR the DTCs. TEST the system for normal operation.
No
GO to C10.
Measure the resistance between mode switch C230-2, circuit 682 (DB), and GEM C239-21, circuit 682 (DB).
Is the resistance less than 5 ohms?
Yes
GO to C11.
No
REPAIR circuit 682 (DB). CLEAR the DTCs. TEST the system for normal operation.
Measure the voltage between GEM C239-21, circuit 682 (DB), and ground.
Is any voltage indicated?
Yes
REPAIR circuit 682 (DB). CLEAR the DTCs. TEST the system for normal operation.
No
REPLACE the GEM; REFER to Section 419-10. CLEAR the DTCs. TEST the system for normal operation.
Page 41 of 64
8/30/2010