Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING - Manual (Page 35)

Fault Isolation Procedures
Code 13, 34
(SID 9, FMI 2, 4, 5,12)
2-24
Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit, continued
Step D Procedure Condition Action
1. Key off.
2. Measure resistance between:
• Central Processing
Unit 32-way
connector pin D4
and Driver Display
4-way connector
pin C.
• Central Processing
Unit 32-way
connector pin D4
and ground.
If resistance between pin D4
and pin C is 0 to .3 ohms and
if resistance between pin D4
and ground is more than 10K
ohms or open circuit [OL]
If any of the above conditions
are not met
Replace Central Processing
Unit. Go to Step V.
Repair OEM wiring harness
between Driver Display Unit
and Central Processing Unit.
Go to Step V.
1
C D
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
1
C D
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
D C B A
OHMS
V A COM
OHMS
GROUND
V A COM