Detecting Condition

DETECTING CONDITION




WIRING DIAGRAM




SYSTEM CHECK DRIVING PATTERN
- Connect the OBD II scan tool or LEXUS hand-held tester to the DLC 3.
- Start and warm up the engine with all accessories switched OFF.
- Run the vehicle at 70-90 km/h (43-56 mph) for 3 minutes or more.
- Idle the engine for about 2 minutes.
- Stop at safe place and turn the ignition switch OFF.
- Start the engine and do steps 3 and 4 again.
- Check the "READINESS TESTS" mode on the OBD II scan tool or TOYOTA hand-held tester.
- If "COMPL" is displayed and the MIL does not light up, the system is normal.
- If "INCPL" is displayed and the MIL does not light up, run the vehicle again and check it.

HINT: "INCPL" is displayed when either condition a) or b) exists.
- The system check is incomplete.
- There is a malfunction in the system.
- If there is a malfunction in the system, the MIL will light up after steps 2 to 6 above are done.