ENGINE IMMOBILISER SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Table 1. Engine Immobiliser System
DTC No.	Detection Item	Note	Link
B2779	Engine Starter Communication Malfunction	A remote start operation is performed.	Click here
B2784	Antenna Coil Open / Short	With the shift lever in P, the key is held against the engine switch and an engine start operation is performed by pressing and holding the engine switch when the key battery is depleted.	Click here
B278A	Short to GND in Immobiliser System Power Source Circuit	With the shift lever in P, the key is held against the engine switch and an engine start operation is performed by pressing and holding the engine switch when the key battery is depleted.	Click here
B2790	ID BOX EEPROM Malfunction	An immobiliser set/unset operation is performed (the engine switch is turned off or on (IG) while carrying the key).	Click here
B2799	Engine Immobiliser System Malfunction	Either condition is met: Within 10 seconds of an engine start operation being performed (with the shift lever in P and the brake pedal depressed, press the engine switch while carrying the key). If there is a malfunction, the engine stops (communication begins within 3 seconds of the engine start operation being performed, and DTCs are stored after 6 seconds). 10 seconds after the engine switch is turned on (IG) after reconnecting the cable to the negative (-) battery terminal (communication begins within 3 seconds of the engine switch being turned on (IG), and DTCs are stored after 6 seconds).	Click here
B279A	Theft Deterrent System Communication Line High Fixation	Turn the engine switch on (IG) and wait 6 seconds.	Click here
B279C	Theft Deterrent System Presence Detection	Check for DTCs.	Click here