Test P: No Power To The Scan Tool

PINPOINT TEST P: NO POWER TO THE SCAN TOOL

P1:

P2-P3:

Normal Operation
The scan tool is connected to the data link connector (DLC) to communicate with the high speed controller area network (HS-CAN), medium speed controller area network (MS-CAN), and International Standards Organization (ISO) 9141 communications network. Voltage for the scan tool is provided by circuit 40 (LB/WH). Ground is provided by circuits 57 (BK) and 570 (BK/WH).

Possible Causes
- Fuse
- Circuit 40 (LB/WH) open
- Circuit 57 (BK) open
- Circuit 570 (BK/WH) open
- Scan tool