Abbreviation list
IntroductionTheft 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
...
Key battery
Replace the battery with a new one if it is discharged.
- You will need the following items:
• Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver
with rag.)
• Small Phillips-head screwdriver
• Lithium battery ...
Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant classification
ECU and front seat inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side buckle
switch circuit.
Troubleshoot DTC B1 ...