Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING - Manual (Page 76)

Fault Isolation Procedures
2-65
Code 24 (SID 6, FMI 2) Speed Input Error, continued
Step C Procedure Condition Action
Step D Procedure Condition Action
1. Measure resistance
between Central
Processing Unit 32-way
connector pin C10 and
ground.
1. Disconnect VORAD harness from
speed source.
2. Measure resistance
between speed sensor
pins A and B.
If resistance is more than
10K ohms or open circuit
[OL]
If resistance is less than 10K
ohms
If resistance is 2 to 4K ohms
If resistance is outside of
range
Replace Central Processing
Unit. Go to Step V.
Go to Step D.
Go to Step E.
Replace speed sensor.
Go to Step V.
OHMS
GROUND
V A COM
1
C D
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
OHMS
V A COM
A B