ENGINE IMMOBILISER SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each code, turn the page mentioned below the "DTC No" in the DTC chart.

1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 
DTC No.
Detection Item
Trouble Area
See page
B2780
Push Switch / Key Unlock Warning Switch Malfunction
1. Unlock warning switch assembly
2. Wire harness
3. Transponder key ECU assembly
 Click here
B2784
Antenna Coil Open / Short
1. Transponder key amplifier
2. Wire harness
3. Transponder key ECU assembly
 Click here
B2793
Transponder Chip Malfunction
1. Key
 Click here
B2794
Unmatched Encryption Code
1. Key
 Click here
B2795
Unmatched Key Code
1. Key
 Click here
B2796
No Communication in Immobiliser System
1. Key
2. Transponder key amplifier
3. Wire harness
4. Transponder key ECU assembly
 Click here
B2797
Communication Malfunction No. 1
1. Key
2. Transponder key amplifier
3. Wire harness
4. Transponder key ECU assembly
 Click here
B2798
Communication Malfunction No. 2
1. Key
 Click here

2. HYBRID VEHICLE CONTROL ECU DIAGNOSTIC TROUBLE CODE CHART 
DTC No.
Detection Item
Trouble Area
See page
B2799-542
Engine Immobiliser System Malfunction
1. Wire harness
2. Transponder key ECU assembly
3. Hybrid vehicle control ECU
 Click here
B2799-790
Engine Immobiliser System Malfunction
1. Wire harness
2. Transponder key ECU assembly
3. Hybrid vehicle control ECU
 Click here

NOTICE:
The DTC for the immobiliser system is specified above. If other codes are output, check the DTC chart for the hybrid control system.