Emission Control Systems: Testing and Inspection

1NZ-FXE EMISSION CONTROL: EMISSION CONTROL SYSTEM: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. INSPECT FUEL CUT OFF RPM
(a) Check the operation.
(1) Turn the power switch ON (READY) and warm up the engine.
(2) Turn the power switch OFF.
(3) Connect Techstream to the DLC3.
(4) Turn the power switch ON (IG).
(5) Turn Techstream ON.
(6) Enter the following menus: Powertrain / Engine and ECT / Data List / Injector (Port).
(7) Drive the vehicle. When releasing the accelerator pedal after the vehicle speed is 45 to 60 km/h (28 to 37 mph), read Injector (Port) on the Techstream.
Standard:
0 ms





2. CHECK AIR INLET LINE
(a) Check the ventilation.
(1) Disconnect the ventilation hose Removal.
(2) Check that there is ventilation from the canister filter to the fuel tank inlet pipe when air is applied to the vent hose of the canister filter.
If there is no ventilation, replace the canister filter.
(3) Connect the ventilation hose Installation.





3. VISUALLY CHECK HOSES, CONNECTIONS AND GASKETS
(a) Check the appearance.
(1) Visually check that there are no cracks, leaks or damage on the indicated portions in the illustration.
HINT:
- Removing the oil level gauge, oil filler cap or ventilation hoses may cause the engine malfunction or engine stall.
- If the parts between the mass air flow meter and cylinder head are disconnected, loose or cracked, secondary air may be sucked. If could cause the engine malfunction or engine stall.