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

Tech Tips

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 page" below.

Transponder Key ECU Assembly
DTC Code Detection Item Detection Enabling Condition (DTC Output Confirmation Operation) See page
B2780 Push Switch / Key Unlock Warning Switch Malfunction Insert the key into the ignition key cylinder.

Click here

B2784 Antenna Coil Open / Short Insert the key into the ignition key cylinder.

Click here

B2793 Transponder Chip Malfunction Insert the key into the ignition key cylinder.

Click here

B2794 Unmatched Encryption Code Insert the key into the ignition key cylinder.

Click here

B2795 Unmatched Key Code Insert the key into the ignition key cylinder.

Click here

B2796 No Communication in Immobiliser System Insert the key into the ignition key cylinder.

Click here

B2797 Communication Malfunction No. 1 Insert the key into the ignition key cylinder.

Click here

B2798 Communication Malfunction No. 2 Insert the key into the ignition key cylinder.

Click here

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 an engine start operation refers to turning the ignition witch to ON with the shift lever in P and the brake pedal depressed*1, or the shift lever in N and the brake pedal and clutch pedal depressed*2. 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 ignition switch is turned to ON after reconnecting the cable to the negative (-) battery terminal (communication begins within 3 seconds of the ignition switch being turned to ON, and DTCs are stored after 6 seconds).

Click here

B279A Theft Deterrent System Communication Line High Fixation Turn the ignition switch to ON and wait 6 seconds.

Click here

B279C Theft Deterrent System Presence Detection Check for DTCs.

Click here