Electronic Control Unit (Ecu) - BENDIX A-18 TRAILER ABS Manual

Electronic Control Unit (ECU)

® ™
The Bendix A-18 ECU is the trailer ABS control center.
Identification
Identification information for the ECU is located on the
connector pinout label (refer to Figure 7). The label is
located under the ECU cover. Refer to the label for the:
• Part Number
• Serial Number
• Date Code.
Depending on configuration, the A-18
ECUs may be equipped with either one connector (basic
system) or two connectors (standard system). Refer to
Figure 8.
Relay Valve
FIGURE 8 - Trailer ABS ECU Configurations
10
™
trailer ABS system
BASIC
Plug
Blank
Connector
ECU Cover
Basic System
Serial Number
Standard System
Serial Number
FIGURE 7 - Electronic Control Unit Identification Tags
Relay Valve
Bendix Part Number
Date Code
Date Code
STANDARD
ECU Cover