Normal Mode

MIL CHECK
1. The MIL comes on when the ignition switch is turned ON and the engine is not running.

HINT: If the MIL does not light up, troubleshoot the combination meter.

2. When the engine starts, the MIL should go off. If the lamp remains on, the diagnosis system has detected a malfunction or abnormality in the system.

DTC CHECK

NOTICE (TOYOTA hand-held tester only): When the diagnostic system is switched from normal mode to check mode, It erases all DTCs and freeze tram. data recorded in normal mode. So before switching modes, always check the DTCs and freeze frame data, and note them down.

1. Prepare the TOYOTA hand-held tester.
2. Connect the TOYOTA hand-held tester to DLC3 at the lower of the instrument panel.
3. Turn the TOYOTA hand-held tester switch ON.
4. Use the TOYOTA hand-held tester to check the DTCs and freeze frame data. Note them down.
5. See Trouble Code Charts to confirm the details of the DTCs.