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Home >> Ford >> 2006 >> Freestar V6-4.2L VIN 2 >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Smart Junction Box (SJB) >> Pinpoint Tests
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Pinpoint Tests

PINPOINT TEST B: NO COMMUNICATION WITH THE SMART JUNCTION BOX (SJB)


B1:






B1-B3:






B3 Continued:






Normal Operation
The SJB voltage is supplied by the bussed electrical center (BEC) through circuits 1052 (TN/BK), 1523 (DG), and 1524 (DB). The SJB is grounded through circuit 1205 (BK).

Possible Causes
- fuse(s)
- circuit 1052 (TN/BK) open or short to ground
- circuit 1205 (BK) open
- circuit 1523 (DG) open or short to ground
- circuit 1524 (DB) open or short to ground
- SJB
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