Step a procedure condition action – Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING User Manual
Page 93
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Fault Isolation Procedures
Code 33
(SID 245, FMI 12)
2-82
Code 33 (SID 248, FMI 12) VBUS Error
Step A
Procedure
Condition
Action
1. Key off.
2. Disconnect the Central
Processing Unit 32-way
connector.
3. Measure resistance between:
• Central Processing
Unit 32-way
connector pin C5
and Antenna 4-way
connector pin 2.
• Central Processing
Unit 32-way
connector and pin
C5 and ground.
If resistance between pin C5
and pin 2 is 0 to .3 ohms and
if resistance between pin C5
and ground is more than 10K
ohms or open circuit [OL]
If any of the above conditions
are not met
Go to Step B.
Repair OEM wiring harness
between Antenna and the
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
OHMS
V
A
COM
OHMS
GROUND
V
A
COM
1
2
3
4
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