(DME) Condition For Fault ID - 1

278F - P150B

Information saved in
DME

Fault code
278F - P150B

Fault text
IBS communication

Fault description
Battery Sensor BSD (Bit Serial Data Interface)
Communication Circuit

Condition for fault identification
Test condition:
B_ibfbsd = True (set by IBS component driver) and Bit 0 set
in K_MSKIBSDFP
Terminal condition: TERM87
Voltage condition:
none

Condition for fault memory entry
20000 ms

Action in service
1. Check BSD wire for short circuit to battery voltage and
ground
2. Check for open wire
3. Systematically disconnect the other BSD stations and
replace as indicated
4. If malfunction persists, after clearing fault mermory,
replace battery sensor
5. With

Fault effect and breakdown warning
CC message / temperature display may be pegged (50 °C) [if
short circuit is present]

Driver information
Warning light:
none

Service instruction
none