EXPLANATION ABOUT THE SCAN TOOL (MUT-III) CAN BUS DIAGNOSTICS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-11
Time-out DTC
codes
associated with
ECUs C and D
are stored in
ECU A and
ECU B
Trouble in
CAN bus line
(d)
If time-out DTC codes associated
with ECUs C and D are stored in
ECUs A and B, or time-out codes
associated with ECUs A and B
are stored in ECUs C and D, CAN
bus line (d) is suspected. CAN
bus line (g) or (e) and power
supply systems to ECU C or D
are also suspected as second
cause.
Time-out DTC
codes
associated with
ECUs A and B
are stored in
ECU C and
ECU D
DTC CODE TO
BE SET
POSSIBLE
TROUBLE
SPOT
LOGIC FOR DETERMINING TROUBLE SPOT
AC204742BG
DATA LINK
CONNECTOR
ECU B
ECU C
ECU D
ECU A
(a)
(b)
(c)
(d)
(e)
(f)
(g)