Fault Isolation Procedures

Electrical Pretest, continued

Step B

Procedure

Condition

Action

 

 

 

 

1.Key off.

2.Disconnect negative (-) battery cable.

3.Disconnect 32-way connector from Central Processing Unit.

4. Measure resistance

 

If resistance is 0 to .5 ohms

 

Go to Step C.

between 32-way

 

 

 

 

 

 

 

 

connector pin C-2 and

 

 

 

 

ground.

 

 

 

 

If resistance is outside of range

Repair ground path for BendixVORAD® system. Go to Step A.

DC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

 

OHMS

 

V

COM

A

GROUND

2-3

Page 14
Image 14
BENDIX BW2849 manual Step B, Key off Disconnect negative battery cable, Measure resistance