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Pinpoint Tests

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


A1-A2:






A2-A3:






Normal Operation
The SJB is supplied voltage by the bussed electrical center (BEC) through circuits 294 (WH/LB), 905 (GY/LB), 1052 (TN/BK), 1523 (DG), and 1679 (WH/YE). Ground to the SJB is supplied through circuit 1205 (BK).

Possible Causes
- fuse(s)
- circuit 294 (WH/LB) open
- circuit 905 (GY/LB) open
- circuit 1052 (TN/BK) open
- circuit 1205 (BK) open
- circuit 1523 (DG) open
- circuit 1679 (WH/YE) open
- SJB

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