Fault isolation procedures, Step d procedure condition action, Key off. 2. measure resistance between the bendix – Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING User Manual
Page 82: Vorad
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Fault Isolation Procedures
2-71
Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error, continued
Step D
Procedure
Condition
Action
1. Key off.
2. Measure resistance
between the Bendix
™
VORAD
®
system
32-way connector pin
D7 and pin D8.
Note: Make sure the volt/ohm
meter is on the proper scale.
(200 ohm scale)
If resistance between pin D7
and pin D8 is between 50 to
70 ohms
If resistance is more than
70 ohms
If resistance is less than
50 ohms
Go to Step E.
One or both of the terminating
resistors on the J-1939 data
link wiring harness are either
missing or out of range.
Repair J-1939 data link wiring
harness. Go to Step V.
Repair the J-1939 data link between
the engine ECU and VORAD system.
Go to Step V.
OHMS
V
A
COM
1
C
D
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
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