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Diagnostic Trouble Code Table

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

TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE TABLE 

DTC DETECTION CONDITION TABLE

DTC Code Detection Item Trouble Area Information
B2780 Push Switch/Key Unlock Warning Switch Malfunction
  1. Unlock warning switch assembly
  2. Wire harness
  3. Transponder key ECU assembly
 B2780 
B2784 Antenna Coil Open/Short
  1. Transponder key amplifier
  2. Wire harness
  3. Transponder key ECU assembly
 B2784 
B2793 Transponder Chip Malfunction Key B2793 
B2794 Unmatched Encryption Code Key B2794 
B2795 Unmatched Key Code Key B2795 
B2796 No Communication in Immobilizer System
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly
 B2796 
B2797 Communication Malfunction No. 1
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly
 B2797 
B2798 Communication Malfunction No. 2
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly
 B2798 

ECM DIAGNOSTIC TROUBLE CODE TABLE 

DTC DETECTION CONDITION TABLE

DTC Code Detection Item Trouble Area Information
B2799 Engine Immobilizer System Malfunction
  1. Wire harness
  2. Transponder key ECU assembly
  3. ECM
 B2799 

HINT:

The DTCs for the immobilizer system are specified above. If other codes are output, check DIAGNOSTIC TROUBLE CODE TABLE for the SFI system.

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