On-vehicle Inspection
ComponentsTheft 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
...
System Diagram
SYSTEM DIAGRAM
1. CAN SIGNAL
2. DIRECT LINE SIGNAL
(a) Combination Meter Assembly
(b) Accessory Meter Assembly
3. INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER ASSEMBLY OR ACCESSORY METER
ASSEMBLY
(a) Meter or Gauge
Meter or Gauge ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE SLIDING ROOF HOUSING CENTER FRAME
(a) Remove the 2 nuts and sliding roof housing center frame.
2. REMOVE NO. 4 SUNSHADE TRIM SUB-ASSEMBLY
(a) Remove the s ...