ENGINE IMMOBILISER SYSTEM (w/o 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.

Transponder Key ECU
DTC Code Detection Item Trouble Area See page
B2780 Push Switch / Key Unlock Warning Switch Malfunction

- Transponder key ECU assembly

- Unlock warning switch assembly

- Harness or connector

Click here

B2784 Antenna Coil Open / Short Transponder key amplifier

Click here

B2793 Transponder Chip Malfunction Key

Click here

B2794 Unmatched Encryption Code Key

Click here

B2795 Unmatched Key Code Key

Click here

B2796 No Communication in Immobiliser System

- Transponder key ECU assembly

- Key

- Harness or connector

- Transponder key amplifier

Click here

B2797 Communication Malfunction No. 1

- Transponder key ECU assembly

- Key

- Harness or connector

- Transponder key amplifier

Click here

B2798 Communication Malfunction No. 2 Key

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 or ECD system.

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

- Harness or connector

- Transponder key ECU assembly

- ECM

Click here

B279A* Theft Deterrent System Communication Line High Fixation

- Harness or connector

- Transponder key ECU assembly

- ECM

Click here

B279C* Theft Deterrent System Presence Detection ECM

Click here