SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES [w/ Smart Key System]
3. AIR CONDITIONING BUS LINES
4. LIGHTING BUS LINES [w/ Smart Beam]
System Description
How To Proceed With TroubleshootingTheft 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
...
Rear window wiper and washer
Type A
1. Off
2. Intermittent window wiper operation
3. Normal window wiper operation
4. Washer/wiper dual operation
5. Washer/wiper dual operation
Type B
1. Off
2. Intermittent window wiper operation
3. Normal window wiper operation
4. ...
No Answer-Back
DESCRIPTION
In some cases, wireless door lock control functions are normal but the hazard
warning light and/or wireless door lock buzzer answer-back function(s) does not
operate. In such cases, the main body ECU (driver side junction block assembly)
haz ...