Retrieving Diagnostic Trouble Codes
- Connect LEXUS scan tool to Data Link Connector 3 (DLC3) located under left side of instrument panel. Turn ignition switch to ON position. Using scan tool, check DTCs and freeze frame data. If DTC 99 is retrieved, see TROUBLE SHOOTING SYMPTOMS table under TROUBLE SHOOTING.
- If any other DTCs are retrieved, see ENGINE IMMOBILIZER DIAGNOSTIC TROUBLE CODE DEFINITIONS table. Each DTC will be displayed in order, starting with lowest DTC.
ENGINE IMMOBILIZER DTC DEFINITIONS
| DTC | Definition |
|---|---|
| B2780 | Key Unlock Warning Switch Malfunction |
| B2793 | Transponder Chip Malfunction |
| B2794 | Unmatched Encryption Code |
| B2795 | Unmatched Key Code |
| B2796 | No Communication In Immobilizer System |
| B2797 | Communication Malfunction No. 1 |
| B2798 | Communication Malfunction No. 2 |
| B2799 | Engine Immobilizer System |