ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Certification ECU
DTC Code Detection Item Trouble Area See page
B2784 Antenna Coil Open / Short

- Certification ECU

- Engine switch

Click here

B278A Short to GND in Immobiliser System Power Source Circuit

- Harness or connector

- Engine switch

- Certification ECU

Click here

B2790 ID BOX EEPROM Malfunction ID code box

Click here

Tech Tips

The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the SFI system (for ZR series engine) or ECD system (for AD series engine).

ECM
DTC Code Detection Item Trouble Area See page
B2799 Engine Immobiliser System Malfunction

- Harness or connector

- ECM

- ID code box

Click here

B279A Theft Deterrent System Communication Line High Fixation

- Harness or connector

- ID code box

- ECM

Click here

B279C Theft Deterrent System Presence Detection ECM

Click here