Accessing Codes - BENDIX A-18 TRAILER ABS Manual

Accessing Codes

The ABS Warning Lamp outputs a two-part blink code. To
interpret the blink code, record the number of flashes in
each part and compare with the Gen-4
charts.
™
On Gen-4 ABS systems, the first part of the flash sequence
indicates the configuration, while the second part of the flash
sequence indicates any fault codes that exist.
Example: A blink code of three flashes, a pause, then three
more flashes (3-3) indicates a 4S-2M side control
configuration with a fault on Sensor B.
B
F
A
E
D
Short Terminals A and E and Release
to Access the Configuration Code
CONFIGURATION CODES
Blink Code
1st 2nd
1 1 2S-1M
1 2 2S-2M
1 3 4S-2M Side Control
1 4 4S-2M Axle Control
Blink Code Configuration
1 2S-1M
2 2S-2M
3 4S-2M Side to Side
4 4S-2M Axle to Axle
FIGURE 35 - Accessing Trailer ABS Configuration Codes
™ or Gen-5
C
Gen-5
Configuration
Gen-4
On Gen-5 ™ ABS systems, both the configuration codes and
the fault codes are reported separately as two-part blink
codes. There are different procedures for retrieving
configuration and fault codes. Refer to the retrieving codes
™ ABS
section of this manual.
Example: A blink code of one flash, a pause, then one
more flash (1-1) indicates a 2S-1M system configuration
when retrieving configuration codes. However, 1-1 indicates
No Trouble Found when retrieving fault codes.
Retrieving Configuration Codes Live Feed
(Gen-5 ™ ABS PLC Capable ECUs)
1. Turn ignition key ON.
2. Use appropriate jumper method. Apply the jumper for
2 seconds and remove.
3. Immediately apply the jumper again for 2 seconds and
remove.
4. Record the 2-digit blink code as it is flashed on the
external trailer warning light.
Retrieving Configuration Codes (Gen-4
1. Turn ignition key ON.
2. Use appropriate jumper method. Apply the jumper for
2 seconds and remove.
3. Two-digit blink codes are retrieved and displayed.
™ ABS)
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