BENDIX BW2849 manual Way pin D7 and ground, If resistance is outside of range Go to Step B

Fault Isolation Procedures

Code 25, 32 (SID 231, FMI 2, 12, 14) J-1939 and Cruise Signal Error

Step A Procedure Condition Action

1.Key off.

2.Disconnect the VORAD Central Processing Unit 32-way connector.

3.Disconnect engine ECU connector which contains the J-1939 data link.

4.Measure resistance between:

• Bendix™ VORAD® system Central Processing Unit

32-way connector pin

D7 and engine ECU pin # (see engine OEM for pin location).

•VORAD system Central Processing Unit

32-way pin D7 and ground.

If resistance between pin D7 and engine ECU pin is 0 to .3 ohms and if resistance between pin D7 and ground is more than 10K ohms or open circuit [OL]

If resistance is outside of range

Go to Step B.

Repair J-1939 data link wiring harness between engine ECU and VORAD system. Go to Step V.

DC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

DC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

	OHMS
V	COM	A

	OHMS
V	COM	A

GROUND

SEE ENGINE OEM FOR PIN LOCATION

(SID 231, FMI 2, 12,	Code 25, 32
14)

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