Diagnostic Trouble Code Chart

CERTIFICATION ECU DTC CHART

HINT:

If a trouble code is displayed during the DTC check, check the circuit listed for that code in the table below. Then proceed to the appropriate article.

Certification ECU:

CONTROL RANGE REFERENCE

DTC Code	Detection Item	Trouble Area
B2784	Antenna Coil Open / Short	Certification ECU Power switch
B2785	Communication Malfunction between ECUs Connected by LIN	Wire harness Certification ECU Power source control ECU Steering lock actuator (steering lock ECU) ID code box
B2786	No Response from Steering Lock ECU	Wire harness Certification ECU Steering actuator (steering lock ECU)
B2789	No Response from ID BOX	Wire harness ID code box Certification ECU
B278A	Short to GND in Immobilizer System Power Source Circuit	Wire harness Power switch Certification ECU
B2790	ID BOX EEPROM Malfunction	ID code box

HYBRID VEHICLE CONTROL ECU DTC CHART

HINT:

The DTCs for the immobilizer system are specified above. If other codes are output, check the DTC chart for the hybrid control system.

Hybrid vehicle control ECU:

DTC CODE REFERENCE CHART

DTC Code	Detection Item	Trouble Area
B2799-542	Engine Immobilizer System Malfunction	Wire harness ID code box Hybrid vehicle control ECU
B2799-790	Engine Immobilizer System Malfunction	Wire harness ID code box Hybrid vehicle control ECU