Fault Isolation Procedures

Code 33 (SID 248, FMI 12) VBUS Error, continued

Step D

Procedure

Condition

Action

 

 

 

 

1.Key off.

2.Measure resistance between:

• Central Processing Unit 32-way connector pin D6 and Driver Display 4-way connector pin A.

Central Processing Unit pin D6 and ground.

If resistance between pin D6 and pin A is 0 to .3 ohms and if resistance between pin D6 and ground is more than 10K ohms or open circuit [OL]

If any of the above conditions are not met

See “Code 13, 34 (SID 9, FMI 2, 4, 5, 12) Driver Display Unit” on page 22 and “Code 14, 35 (SID 1, 2, FMI 2, 12,

14)Antenna” on page 30 to diagnose if Antenna or Driver Display Unit is defective.

Repair OEM wiring harness between Driver Display Unit and Central Processing Unit. Go to Step V.

DC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

 

OHMS

 

V

COM

A

DC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

 

OHMS

 

V

COM

A

GROUND

D C B A

2-85

Page 96
Image 96
BENDIX BW2849 manual Step D