Diagnostic Trouble Code Chart

HINT

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code For details of the code, refer to the "See" below

1. CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DIAGNOSTIC TROUBLE CODE CHART 

   Certification ECU (Smart Key ECU Assembly) 

   DIAGNOSTIC TROUBLE CODE CHART
   
   

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

2. ECM DIAGNOSTIC TROUBLE CODE CHART 

   HINT:

   The DTCs for the engine immobilizer system are specified above If the other codes are output, check the DTC chart for the SFI system

   ECM 

   DIAGNOSTIC TROUBLE CODE CHART
   
   

   DTC Code	Detection Item	Trouble Area
   B2799	Engine Immobilizer System Malfunction	Wire harness or connector ECM ID code box (Immobilizer code ECU)
   B279A	Theft Deterrent System Communication Line High Fixation	Wire harness or connector ECM ID code box (Immobilizer code ECU)
   B279C	Theft Deterrent System Presence Detection	ECM