
16 NEXIQ Brake-Link™ Bendix
®
& Eaton
®
ABS Applications
Chapter
2
• Establishing Connection
Connecting Brake-Link™ Components
Connect Brake-Link™ to the vehicle with one of the following adapters:
• J560 PLC Cable Set. Attach to the tractor or trailer J560 Power Line
Connector. Note:
The ECU must be configured to support Enhanced
PLC Mode in order to use this adapter.
• 9-Pin Deutsch. Attach to the Deutsch Connector typically located under
the dash (driver’s side), beside the driver’s seat or near the trailer brake
ECU.
Choosing the appropriate adapter depends on:
• whether you’re diagnosing the Tractor or Trailer;
• which connectors are available on the Tractor/Trailer;
• whether the Tractor is connected to the Trailer;
• whether the ECU is configured to support
Enhanced PLC Mode
.
?
Do you know what Enhanced PLC Mode is?
Older brake ECUs transmit diagnostic information over the J1708 Bus only
(Figure 2.3, page 19)—accessing both tractor and trailer ECUs requires
independent connections. Newer ECUs offer Enhanced PLC Mode—they
can send diagnostic information over the power line. If the tractor and
trailer are connected, access both ECUs via a single connection.
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