Diagnostic Trouble Code Chart
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.
- TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART DTC NO. DETECTION CONDITION CHART
DTC No. Detection Item Trouble Area See B2780 Push Switch / Key Unlock Warning Switch Malfunction - Unlock warning switch assembly
- Wire harness
- Transponder key ECU assembly
INSPECTION PROCEDURE B2784 Antenna Coil Open / Short - Transponder key amplifier
- Wire harness
- Transponder key ECU assembly
INSPECTION PROCEDURE B2793 Transponder Chip Malfunction - Key
Ignition Switch Circuit B2794 Unmatched Encryption Code - Key
INSPECTION PROCEDURE B2795 Unmatched Key Code - Key
INSPECTION PROCEDURE B2796 No Communication in Immobiliser System - Key
- Transponder key amplifier
- Wire harness
- Transponder key ECU assembly
INSPECTION PROCEDURE B2797 Communication Malfunction No. 1 - Key
- Transponder key amplifier
- Wire harness
- Transponder key ECU assembly
INSPECTION PROCEDURE B2798 Communication Malfunction No. 2 - Key
INSPECTION PROCEDURE - HYBRID VEHICLE CONTROL ECU DIAGNOSTIC TROUBLE CODE CHART DTC NO. DETECTION CONDITION CHART
DTC No. Detection Item Trouble Area See B2799-542 Engine Immobiliser System Malfunction - Wire harness
- Transponder key ECU assembly
- Hybrid vehicle control ECU
ECU Power Source Circuit B2799-790 Engine Immobiliser System Malfunction - Wire harness
- Transponder key ECU assembly
- Hybrid vehicle control ECU
ECU Power Source Circuit NOTE: The DTC for the immobilizer system is specified above. If other codes are output, check the DTC chart for the hybrid control system.