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

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TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART

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


Transponder Key ECU 
DTC Code
Detection Item
Trouble Area
See page
B2780
Push Switch / Key Unlock Warning Switch Malfunction
- Wire harness or connector
- Unlock warning switch
- Transponder key ECU
 Click here
B2784
Antenna Coil Open / Short
- Wire harness or connector
- Transponder key amplifier
- Transponder key ECU
 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
- Key
- Transponder key amplifier
- Transponder key ECU
- Wire harness or connector
 Click here
B2797
Communication Malfunction No. 1
- Key
- Transponder key amplifier
- Transponder key ECU
 Click here
B2798
Communication Malfunction No. 2
- Key
- Transponder key amplifier
- Transponder key ECU
 Click here

ECM DIAGNOSTIC TROUBLE CODE CHART

HINT:
The DTCs for the engine immobiliser system are specified above. If the other codes are output, check the DTC chart for the SFI (for 1KR-FE and 1NR-FE) or ECD (for 1ND-TV) system.


ECM 
DTC Code
Detection Item
Trouble Area
See page
B2799
Engine Immobiliser System Malfunction
- Wire harness or connector
- ECM
- Transponder key ECU
 Click here
B279A
Theft Deterrent System Communication Line High Fixation
- Wire harness or connector
- ECM
- Transponder key ECU
 Click here
B279C
Theft Deterrent System Presence Detection
- ECM
 Click here