Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING - Manual (Page 71)

Fault Isolation Procedures
Code 23
(SID 3, FMI 2)
2-60
Code 23 (SID 3, FMI 2) Brake Input Error, continued
Step D Procedure Condition Action
Step E Procedure Condition Action
1. Key off.
2. Depress brake pedal.
3. Measure voltage between
Central Processing Unit
pins C9 and C2.
1. Key off.
2. Reconnect Central Processing Unit
32-way connector.
3. Connect a PC-based or Hand-held
Diagnostic Tool.
4. Key on.
5. Perform brake test to
verify correct signal is
received when brake
pedal is depressed.
If voltage is within 1 volt of
battery voltage
If voltage is outside of range
If correct signal is received
If correct signal is not
received
Replace Central Processing
Unit. Go to Step V.
Repair OEM wiring harness as
necessary. Go to Step V.
Replace Central Processing
Unit. Go to Step V.
Repair OEM wiring harness.
J-1587 or J-1939 data link
may not be connected to the
Bendix
™ VORAD ® system.
Go to Step V.
VOLT
V A COM
1
C D
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15