ENGINE IMMOBILISER SYSTEM(w/ Entry and Start System) DIAGNOSTIC TROUBLE CODE CHART

Certification ECU (Smart Key ECU Assembly)
DTC Code Detection Item Detection Enabling Condition (DTC Output Confirmation Operation) See page
B2784 Antenna Coil Open / Short With the shift lever in P* the electrical key transmitter is held against the engine switch and an engine start operation is performed by pressing and holding the engine switch when the transmitter battery is depleted.

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B278A Short to GND in Immobiliser System Power Source Circuit With the shift lever in P* the electrical key transmitter is held against the engine switch and an engine start operation is performed by pressing and holding the engine switch when the transmitter battery is depleted.

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B2790 ID BOX EEPROM Malfunction An immobiliser set/unset operation is performed (Turn the engine switch off or on (IG) while carrying the electrical key transmitter).

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ECM
DTC Code Detection Item Detection Enabling Condition (DTC Output Confirmation Operation) See page
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*1 or clutch pedal*2 depressed, press the engine switch while carrying the electrical key transmitter). If thereis 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).

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B279A Theft Deterrent System Communication Line High Fixation Turn the engine switch on (IG) and wait 6 seconds.

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B279C Theft Deterrent System Presence Detection Check for DTCs.

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