SYSTEM DIAGRAM
Communication Table
|
Sender |
Receiver |
Signal |
Line |
|---|---|---|---|
|
ECM |
|
Reverse signal |
CAN Communication Line |
Parts Location
How To Proceed With TroubleshootingGlossary of tire terminology
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Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck
high output (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
B279A
...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (driver side junction block assembly) and certification ECU
(smart key ECU assembly) control the LIN communication system. LIN communication
system data and Diagnostic Trouble Codes (DTCs) can be read thr ...