
Vehicle exteriorTheft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO - IMI) to the certification ECU (smart key ECU
assembly) is stuck high output (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
...
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 ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
be ...