Inspection Procedure

1. Inspect the VSV for air intake control valve (See ON-VEHICLE INSPECTION ).

NG: REPLACE VSV (FOR AIR INTAKE CONTROL VALVE) 

OK: Go to next step 

1. Disconnect the VSV for air intake control valve connector
2. Turn the engine switch on (IG).
3. Measure the voltage according to the value(s) in the table below

   Standard Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Condition	Specified Condition
   2 - Body ground	Engine switch on (IG)	11 to 14 V

4. Reconnect the VSV connector.
Fig 1: Identifying VSV For Air Intake Control Valve Connector A60
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (EFI NO. 2 FUSE - VSV FOR AIR INTAKE CONTROL VALVE) 

OK: Go to next step 

1. Disconnect the VSV for air intake control valve connector
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below

   Standard Resistance (Check for Open) 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A60-1 (VSV for AICV) - E3-8 (AICV)	Always	Below 1 Ω

   Standard Resistance (Check for Short) 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A60-1 (VSV for AICV) or E3-8 (AICV) - Body ground	Always	10 kΩ or higher

4. Reconnect the ECM connector
5. Reconnect the VSV connector
Fig 2: Identifying VSV Connector A60 And ECM Connector E3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (VSV FOR AIR INTAKE CONTROL VALVE - ECM) 

OK: Go to next step 

1. Inspect the intake air control valve

NG: REPLACE AIR CLEANER CASE 

OK: REPLACE ECM  (See REMOVAL  )