On-Vehicle Inspection [01/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.

VISUALLY CHECK HOSES, CONNECTIONS AND GASKETS
1. 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.

INSPECT EVAPORATIVE EMISSION CONTROL SYSTEM

WARNING:

To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engine compartment with the engine running or the power switch on (IG).

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Put the engine in inspection mode (maintenance mode).
Refer to INSPECTION MODE PROCEDURE [06/2018 - ]

Disconnect the No. 1 fuel vapor feed hose from the purge valve (purge VSV).

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Enter the following menus: Powertrain / Engine / Active Test / Activate the Evap Purge VSV.

Powertrain > Engine > Active Test

Tester Display
Activate the EVAP Purge VSV

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 No. 2 fuel vapor feed hose that connects the intake manifold and purge valve (purge VSV)
- Voltage from the ECM PRG terminal
  Refer to TERMINALS OF ECM [01/2019 - 09/2022] , or refer to TERMINALS OF ECM [09/2022 - ]
Exit Active Test mode and connect the No. 1 fuel vapor feed hose.
If the result is not as specified, replace the purge valve (purge VSV), wire harness or ECM.

Enter the following menus: Powertrain / Engine / Data List / EVAP (Purge) VSV.

Powertrain > Engine > 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.