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Immobiliser System

ENGINE IMMOBILISER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

DTC Code Detection Item DTC Output Confirmation Operation Proceed to
B2779 Engine Starter Communication Malfunction A remote start operation is performed. Refer to DTC B2779: Engine Starter Communication Malfunction [09/2015 - ]
B2784 Antenna Coil Open / Short With the shift lever in P and the key held near the engine switch, an engine start operation is performed by pressing and holding the engine switch when the transmitter battery is depleted. Refer to DTC B2784: Antenna Coil Open / Short [09/2015 - ]
B278A Short to GND in Immobiliser System Power Source Circuit With the shift lever in P and the key held near the engine switch, an engine start operation is performed by pressing and holding the engine switch when the transmitter battery is depleted. Refer to DTC B278A: Short to GND in Immobiliser System Power Source Circuit [09/2015 - ]
B2790 ID BOX EEPROM Malfunction An immobiliser set/unset operation is performed (the engine switch is turned off or on (IG) while the key is being carried). Refer to DTC B2790: ID BOX EEPROM Malfunction [09/2015 - ]
ENGINE IMMOBILISER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (ECM)

DTC Code Detection Item DTC Output Confirmation Operation Proceed to
B2799 Immobiliser 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, the engine switch is pressed while the key is being carried). 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). Refer to DTC B2799: Immobiliser Malfunction [09/2015 - ]
B279A Theft Deterrent System Communication Line High Fixation Turn the engine switch on (IG) and wait 6 seconds. Refer to DTC B279A: Theft Deterrent System Communication Line High Fixation [09/2015 - ]
B279C Theft Deterrent System Presence Detection - Refer to DTC B279C: Theft Deterrent System Presence Detection [09/2015 - ]