Computers/Controls - CAN Error Frame Finder Info.

2005 Volvo V70 L5-2.4L Turbo VIN 54 B5244T5SECTION Computers/Controls - CAN Error Frame Finder Info.
Technical Journal

TITLE:
Error Frame Finder

CAR MARKET:
United States

ISSUING DEPARTMENT:
Technical Service

REF NO:
TJ 20402

ISSUE DATE:

YEAR
2012

MONTH
09

DAY
24

PARTNER:
3 US 7510 Volvo Cars North America

FUNC DESC:
Other electrical equipment

FUNC GROUP:
3600

"Fixed Right - First Time"





Attachment





Vehicle Type





CSC Customer Symptom Codes





DTC Diagnostic Trouble Codes

Text

BACKGROUND:
The EFF function can be an aid in fault tracing intermittent CAN network problems by providing a visible indication of error frames that are being transmitted on the network when the fault becomes active. Error frames will be transmitted when there is a critical fault in the network or network wiring
such as open circuits, i.e. terminal/connector problems, broken wiring, short circuits, i.e. chaffed/pinched wiring and defective nodes, i.e. "babbling" nodes.

The advantage of using the EFF function is that error frames are usually transmitted on the network before a vehicle symptom can occur. Hence, if the fault is very intermittent in nature, it may be possible, for example, to induce the wiring fault for a short duration by manipulating the vehicle
harnesses and connectors. The electrical fault will occur and be detected by the EFF without ever having a vehicle symptom appear.

See the attached document for use and setup of DICE error frame finder.












































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