On-Vehicle Inspection [03/2019 - 11/2022]: Procedure
- INSPECT FUEL CUT OPERATION WARNING:
To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fan when working in the engine compartment with the engine running or the ignition switch ON.
- Start the engine.
- Warm up the engine.
- Increase the engine speed to at least 3500 rpm.
- Use a sound scope to check for fuel injector assembly operating sounds.
If the result is not as specified, check the fuel injector assemblies, wire harness and ECM.
*1 Fuel Injector Assembly *a Sound Scope - When the accelerator pedal is fully released, check that fuel injector assembly operating sounds stop momentarily and then resume.
Standard
Item Specified Condition Fuel injection restart engine speed 1400 rpm If the result is not as specified, check the fuel injector assemblies, wire harness and ECM.
- VISUALLY INSPECT HOSES, CONNECTIONS AND GASKETS
- Visually check that the hoses, connections and gaskets have no cracks, leaks or damage.NOTE:
- Detachment or other problems with the engine oil level dipstick, oil filler cap sub-assembly, ventilation hose or other components may cause the engine to run improperly.
- Air suction caused by disconnections, looseness or cracks in any part of the air induction system between the throttle body with motor assembly and cylinder head sub-assembly will cause engine failure or engine malfunctions.
If any defects are found, replace parts as necessary.
- Visually check that the hoses, connections and gaskets have no cracks, leaks or damage.
- INSPECT EVAPORATIVE EMISSION CONTROL SYSTEM WARNING:
To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fan when working in the engine compartment with the engine running or the ignition switch ON.
- Connect the Techstream to the DLC3.
- Start the engine.
- Slide the hose clip and disconnect the fuel vapor feed hose from the purge valve (purge VSV).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for Evap Control.
Powertrain > Engine and ECT > Active Test
Tester Display Activate the VSV for Evap Control - Check that vacuum occurs at the purge valve (purge VSV) port.
- If vacuum does not occur, check the following items.
- Purge valve (purge VSV)
- Clogging in the vacuum hose that connects the intake manifold and purge valve (purge VSV)
- Voltage from the ECM PRG terminal
Refer to TERMINALS OF ECM [03/2019 - 11/2022]
- Exit Active Test mode and connect the fuel vapor feed hose to the purge valve (purge VSV) and slide the hose clip to secure it.
Refer to INSTALLATION [03/2019 - 11/2022]
If the result is not as specified, replace the purge valve (purge VSV), wire harness or ECM.
- Enter the following menus: Powertrain / Engine and ECT / Data List / EVAP (Purge) VSV.
Powertrain > Engine and ECT > Data List
Tester Display EVAP (Purge) VSV - Warm up the engine and drive the vehicle.
- Confirm that the purge valve (purge VSV) opens.
If the result is not as specified, replace the purge valve (purge VSV), wire harness or ECM.