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.
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
| DTC Code | Detection Item | Detection Enabling Condition (DTC Output Confirmation Operation) | See |
|---|---|---|---|
| B2779 | Engine Starter Communication Malfunction | A remote start operation is performed. | Refer to DTC B2779: Engine Starter Communication Malfunction |
| B2784 | Antenna Coil Open / Short | With park (P) selected, the key is held against the power switch and a hybrid control system start operation is performed by pressing and holding the power switch when the key battery is depleted. | Refer to DTC B2784: Antenna Coil Open / Short |
| B278A | Short to GND in Immobilizer System Power Source Circuit | With park (P) selected, the key is held against the power switch and a hybrid control system start operation is performed by pressing and holding the power switch when the key battery is depleted. | Refer to DTC B278A: Short to GND in Immobilizer System Power Source Circuit |
| B2790 | ID BOX EEPROM Malfunction | An immobilizer set/unset operation is performed (Turn the power switch is off or on (IG) while carrying the key). | Refer to DTC B2790: ID BOX EEPROM Malfunction |
POWER MANAGEMENT CONTROL ECU
| DTC Code | Detection Item | Detection Enabling Condition (DTC Output Confirmation Operation) | See |
|---|---|---|---|
| B2799 | Engine Immobilizer System Malfunction | Either condition is met: - Within 10 seconds of a hybrid control system start operation being performed (with park (P) selected and the brake pedal depressed, press the power switch while carrying the key). If there is a malfunction, the hybrid control system stops (communication begins within 3 seconds of the hybrid control system start operation being performed, and DTCs are stored after 6 seconds). - 10 seconds after the power switch is turned on (IG) after reconnecting the cable to the negative (-) auxiliary battery terminal (communication begins within 3 seconds of the power switch being turned on (IG), and DTCs are stored after 6 seconds). |
Refer to DTC B2799: Engine Immobilizer System Malfunction |
| B279A | Theft Deterrent System Communication Line High Fixation | Turn the power switch on (IG) and wait 6 seconds. | Refer to DTC B279A: Theft Deterrent System Communication Line High Fixation |
| B279C | Theft Deterrent System Presence Detection | Check for DTCs. | Refer to DTC B279C: Theft Deterrent System Presence Detection |