ACIS Control Circuit [01/2014 - ]: Procedure

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1. Disconnect the vacuum hose from port F of the vacuum switching valve (for ACIS).
2. Connect the Techstream to the DLC3.
3. Start the engine.
4. Enter the following menus: Powertrain / Engine / Active Test / Active the VSV for Intake Control.
5. Operate the vacuum switching valve for ACIS.
6. Check the vacuum switching valve air flow when switching the vacuum switching valve.

   OK

   Test Condition	Specified Condition
   Vacuum switching valve is ON	Air from port E flows out through port F
   Vacuum switching valve is OFF	Air from port E flows out through air filter

   TEXT IN ILLUSTRATION
   
   

   *1	Air
   *2	Port F
   *3	Port E
   *4	Air Filter
   *a	Vacuum Switching Valve is ON
   *b	Vacuum Switching Valve is OFF

NG → See step   4 

OK: Go to next step 

1. Check the vacuum hoses. Refer to ON-VEHICLE INSPECTION [05/2013 - ] - Step 1 .

NG → REPAIR OR REPLACE VACUUM HOSES 

OK: Go to next step 

1. Inspect the intake air control valve. Refer to INSPECTION [05/2013 - ] .

NG → See step   9 

OK → See step   7 

1. Inspect the vacuum switching valve assembly (for ACIS). Refer to ON-VEHICLE INSPECTION [05/2013 - ] .

NG → See step   8 

OK: Go to next step 

1. Disconnect the vacuum switching valve (for ACIS) connector.
2. Disconnect the ECM connector.
3. Remove the integration relay from the engine room relay block.
4. Disconnect the integration relay connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B19-1 - B30-27 (ACIS)	Always	Below 1 Ω
   B19-2 - 1B-4	Always	Below 1 Ω
   B19-1 or B30-27 (ACIS) - Body ground	Always	10 kΩ or higher
   B19-2 or 1B-4 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   6